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45MG – Ultrasonic Thickness Gage

1. Transmitter pulse Adjustable square wave pulser Pulser voltage Pulse voltages 60 V 110 V 150 V and 200 V Pulse rise time Damping in 5 ns typical Damping out 3 5 ns typical pulse width dependent Pulse duration Adjustable to probe frequency Table 20 Receiver EN15317 Specifications Parameter Value Gain control Automatic or manual 40 dB to 99 dB Frequency range 0 5 MHz to 24 MHz typical filter dependent 204 Appendix A DMTA 10022 01EN Rev A September 2012 Table 21 Other EN15317 Specifications Parameter Value Data storage Data output types Internal and external MicroSD memory cards maximum capacity of 2 GB Each card 475000 thickness readings or 20000 waveforms with thickness readings 2 0 USB client Removable MicroSD memory card Calibration setting storage Default single and dual element transducer setups 35 custom setups single element Calibration Display response time Single or two point calibration using a test block Velocity can be entered manually Normal 4 Hz or fast up to 20 Hz for dual element transducers Adjustable 4 Hz 8 Hz 16 Hz and Max up to 20 Hz for single element transducers Number of pixels to display a waveform 320 x 240 pixels Table 22 Environmental rating specifications Parameter Value IP rating Designed for IP67 Explosi
2. Using Special Functions 135 DMTA 10022 01EN Rev A September 2012 136 Chapter 7 DMTA 10022 01EN Rev A September 2012 8 Configuring the Instrument This chapter describes how to configure various instrument parameters The following topics are covered in this chapter e Configuring Measurement Parameters see section 8 1 on page 137 Configuring System Parameters see section 8 2 on page 140 Configuring Communications see section 8 3 on page 141 8 1 Configuring Measurement Parameters The MEAS setup is the most commonly used setup menu screen and is used to access global parameters concerning the instrument measurement features To configure measurement parameters 1 Inthe measurement screen press SETUP and then select MEAS NOTE In the MEAS screen some parameters differ depending on whether a single or dual element transducer is connected see Figure 8 1 on page 138 Configuring the Instrument 137 DMTA 10022 01EN Rev A September 2012 HEAS SETUP MENU UNIT TYPE RESOLUTION RESOLUTION HIH HAX MIN MAX HOLD BLANK HOLD BLANK MEASURE RATE MEASURE RATE AYERAGING ID OYERHRITE PROT SETUP_MENU UNIT TYPE 2 ID OYERHRITE PROT gt to select then ENTER or gt to select then ENTER or f For a dual element transducer For a single element transducer Figure 8 1 The MEAS screen In the MEAS screen for single element tr
3. 11 Press MEAS to complete the calibration NOTE Pressing 2nd F CAL VEL VEL opens the VELOCITY screen in which you can see and edit the calibrated metal sound velocity Pressing 2nd F CAL VEL VEL again opens the VELOCITY screen for the calibrated sound velocity through the coating 6 4 Waveform Software Option The live Waveform option for the 45MG allows the user to view the live ultrasonic waveform in order to aid alignment of the transducer during difficult applications When this option is activated the user can switch between the standard thickness display see Figure 6 7 on page 77 and the optional waveform thickness display see Figure 6 8 on page 78 Other waveform setup features are listed below GAIN WAVE ADJ allows the user to make setup adjustments that are not available in standard mode e With dual element transducers see chapter 9 on page 143 e Manually adjust the GAIN in 1 dB increments e Set an extended blank e Set an Echol blank in Manual Echo to Echo mode e Adjust the waveform range and delay e With the Single Element transducer option see chapter 10 on page 159 e Adjust the pulse receive parameters TVG gain and blanks 76 Chapter 6 DMTA 10022 01EN Rev A September 2012 e Create custom single element transducer setups e Adjust the waveform range and delay Auto Zoom This mode automatically adjusts the range and delay so that the measured echo is always on screen
4. The waveform rectification Enables the user to switch the waveform between Full wave Half Half and RF display Waveform Fill Enables the user to show the filled in waveform This feature is not available for RF rectification mode Assigns the SAVE key to Save only the thickness value OR Save the thickness and waveform only available when the Datalogger software option is also purchased JID AOI THK 0 298 in DE STD Fast GAIN dB Figure 6 7 Standard display Software Options 77 DMTA 10022 01EN Rev A September 2012 BJID A0I THK 0 298 KA 0 00 1 00 0 295 DE STD Fast GAIN 55dB ooo rere Figure 6 8 Waveform display To activate the waveform 1 Inthe measurement screen press SETUP and then select DISPLAY 2 Set WAVEFORM ENABLE to ON 6 4 1 About Waveform Rectification The rectification mode determines the way in which the ultrasonic echoes are represented on the waveform display see Figure 6 9 on page 79 The rectification mode does not affect the thickness measurement in any way The rectification indicator FULL POS NEG or RF appears on the left edge of the waveform display In the measurement screen press SETUP and then select DISPLAY to access the WAVEFORM RECTIFICATION parameter 78 Chapter 6 DMTA 10022 01EN Rev A September 2012 BIT DJADI IT THK O 298 fib lao THK 0 298 F My 4 Too Moos 1 00 Full Half i
5. To save battery power while the instrument is not in use enable the inactive time function so that the instrument automatically turns off when no key has been pressed and no measurement has been made within a period of about six minutes To change the user interface language and other system options Inthe measurement screen press SETUP and then select SYSTEM 2 Inthe SYSTEM screen see Figure 4 1 on page 42 a b c d Set BEEPER to ON or OFF Set INACTIVE TIME to ON or OFF Set LANGUAGE to the desired language Set RADIX TYPE to the desired character PERIOD or COMMA in order to separate the integer and the decimal digits Initial Setup 41 DMTA 10022 01EN Rev A September 2012 SETUP HEHU SYSTEM BEEPER INACTIVE TIME RADIX TYPE PERIOD SAYE KEY DATA THICKNESS DEFAULT FILE HODE THICKNESS TEXT EDIT MODE TRADITIONAL SCR TO SD CARD gt to select then ENTER or f Figure 4 1 The SYSTEM screen 3 Press MEAS to return to the measurement screen 4 Turn off the 45MG and then turn it back on to activate the language change 4 2 Selecting the Measurement Units The 45MG can be set to show thickness measurements in inches or millimeters To set the measurement units 1 Inthe measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen set UNIT TYPE to INCH or MILLIMETER 3 Press MEAS to return to the measurement screen 4 3 Setting the Clock The
6. b Inthe menu select the default choice for the probe type that you use ex DEFAULT SINGLE ELEMENT c Inthe DEFAULT screen for the type of probe you are using see the example shown in Figure 5 3 on page 51 highlight the setup in the list of available default setups for the transducer that you are using RECALL MENUMM 4a Maes eae ana 1 bo DEFH1 20 0 H116 DEFH1 10 0 H112 DEFH1 10 0 H1016 DEFH1 5 0 H110 DEFH1 5 0 H109 DEFM1 2 25 H106 DEFH1 2 25 H1036 x to select then ENTER or WEAS Default setup naming convention DEFM1 20 0 M116 Probe part number ex M116 Probe frequency ex 20 0 MHz Mode 1 2 3 Material M Metal P Plastic DEF Default Figure 5 3 Selecting a default single element transducer setup NOTE The setups listed as USER 1 through USER 35 can be renamed for special applications Refer to chapter 10 on page 159 for more details on setups Basic Operation 51 DMTA 10022 01EN Rev A September 2012 d Press MEAS to automatically recall the setup parameters for the chosen setup and return to the measurement screen 5 2 About the Calibration Calibration is the process of adjusting the instrument to perform accurate measurements on a particular material at a given temperature using a known transducer Calibration of the instrument is always necessary prior to inspection of a specific material The measurement accuracy is only as accurate as the calibration pe
7. ceseseseeseseseeeeseseeceesesesesesneneseecesesesssssnesnessseseensseseesens 19 Figure 1 3 The top end connectors ccseseseeseseseeeeseseecenenesesesnesesescecesesessseansnsneseeceesneseecenens 19 Figure 1 4 The MicroSD connector behind the battery door cccseeseeseseeseeesesesteneens 20 Figure 1 5 Th 45MG ey pads srir in a EEA E ER RRE O 21 Figure 2 1 The power indicator when using batteries s ss sessssseessessestersessesssrreesessesses 25 Figure 2 2 The power indicator when using a computer or an AC power supply 26 Figure 2 3 Opening the battery compartment cece cece csc eeseececseseseececseseseseeeseens 27 Figure 2 4 Selecting the battery type occ cece ne cecseeceneteresssecenesesssseesesaseseeees 29 Figure 3 1 The measurement screen No waveform enabled ccscsesseseseseeteteseeeens 31 Figure 3 2 The measurement screen Waveform option enabled cccceeeeseeeeees 32 Figure 3 3 A aTa i DA Dat e PE EAE E E A E voce AT EE E EENE ete 32 Figure 3 4 Other elements No Waveform option enabled ssnssssssssssississessersessesses 33 Figure 3 5 Other elements Waveform option enabled s ssssssssssssssessesssssisessesserseeseeses 34 Figure 3 6 The loss of signal LOS indicator ccccscssssesessstetesceseeesesssnenseseseseenesseesnens 34 Figure 3 7 Menu and submenu example c ccccccceseccccscseseseecceseesescscssseseececssseseeceesnens 35 Figure 3 8 Parameter Screen example
8. ss sss sssesrstsrssrsttsrtersterteeseeste 56 5 2 4 About the Material Sound Velocity and the Zero Calibrations 57 5 2 5 Entering a Known Material Sound Velocity s sssssssssssssssssessessersesessesseee 58 5 2 6 About Locked Calibrations cccccccccccscessecssscessecessessecessecsssecsscesssessseeseeses 58 5 2 7 Factors Affecting Performance and Accuracy ccceseseeesesssseseteresesssenees 59 S3 Measuring Thicknesses oi aurte ieri ienirt seie EE EE EEA Ei a E 61 o SAVING Datars EEE E E E E 63 6 Software Options snssisssoiissssisisadissssossssssoeissshoaissisos desso seona isos s skisa siseasi 65 iv Table of Contents DMTA 10022 01EN Rev A September 2012 6 1 6 2 6 3 6 4 6 5 6 6 6 7 Activating Software Options 00 ec cseeeeeeeseeceeecenenesesssssenesesessseeenesesesasees 66 About Echo Detection Modes with Dual Element Transducers ccecceees 67 6 2 1 Blanking Adjustments in Manual Echo to Echo Detection Mode 71 6 2 2 Dual Element Transducer Selection in Echo to Echo Modes 008 72 Measurements with Optional THRU COAT D7906 and D7908 Transducers 74 6 3 1 Enabling the THRU COAT Function c ccce ccc ceseseceneeseecsceenseeeeesnens 74 6 3 2 Performing a THRU COAT Calibration s ssesssssessessissessesssseesessessssseeresses 75 Waveform Software OPH Onos iosian n a a E oi 76 6 4 1 About Waveform Rectification ccccccccceccccsscessccsssceseceseecsssec
9. DMTA 10022 01EN Rev A September 2012 Figure 9 12 Figure 9 13 Figure 10 1 Figure 10 2 Figure 10 3 Figure 10 4 Figure 10 5 Figure 10 6 Figure 10 7 Figure 10 8 Figure 10 9 Figure 10 10 Figure 10 11 Figure 10 12 Figure 10 13 Figure 10 14 Figure 10 15 Figure 10 16 Figure 10 17 Figure 11 1 Figure 11 2 Figure 11 3 Figure 11 4 Figure 11 5 Figure 11 6 Figure 12 1 Figure 12 2 Figure 12 3 Figure 12 4 Figure 12 5 Example of an inserted cell oo sees cesssssesecesssssesesescseesesescseseseseecsenes 158 Example of a zoomed inserted Cell wo eceesesesecesssesesesesceseseescseseseseeceeees 158 The ACTIVE screen for the setup of a single element transducer 161 Adjusting the waveform parameters ccccc ccc ce cseeeeseecseeeeneteteeeeenes 163 Mode 1 detection example sssssnnrcnsoniosissrinrinasoninrani innin 164 Mode 2 detection example s cicccsssssisscessectssancssvcesseentsnsnsserstsnsesdgetnsssceedsueseuts 165 Mode 3 detection example cccccccsesecscseescscscssseseesecssessnessssssssneceseneneees 165 Detection of the first or the second negative peak ccccccseseseeeeeees 166 Comparing pulser powers set to 60 V and 200 V uu eeeeeeeees 167 The TDG zones and parameters 0 ceeeeeeeceeeeseetesseeeeesseteseneeees 168 Main bang blank position for mode 1 cceesessesescecesesesesteteeneeeeeesessstenenenens 171 Main bang blank position for mode 2 and mode 3 oo eee teens 171 Echo window setting for mod
10. Figure 7 7 Setting up the STANDARD alarm 3 When ALARM MODE is set to STANDARD or B SCAN set the LOW ALARM and the HIGH ALARM values OR When ALARM MODE is set to REDUCTION RT set the YELLOW ALARM and the RED ALARM values 4 Press MEAS to return to the measurement screen Using Special Functions 131 DMTA 10022 01EN Rev A September 2012 NOTE Alarm reference values that were entered in one unit system are displayed as the equivalent value when the alternate units are selected 7 5 Locking the Instrument The 45MG is equipped with an instrument lock that can be used by a supervisor to restrict access to selected functions The supervisor can also enter a password to prevent other users from unlocking the functions Once a password has been set you must reenter the password before you can lock or unlock any function The following functions can be locked e Calibration with CAL VEL and CAL ZERO e Gain and waveform adjustments with GAIN WAVE ADJ e Transducer setup recall with KDCR RECALL e Setup menu accessed with SETUP e File menu or datalogger operations accessed with FILE NOTE When locking CAL VEL and CAL ZERO the function 2nd F CAL ZERO Do ZERO is still available Locking the calibration prevents changes to calibration values thus preventing parameters from affecting the value of the measurement including material velocity and test block zero calibration However you can still
11. To delete a range of IDs ina file 1 Inthe measurement screen press FILE and then select DELETE 2 Inthe DELETE screen see Figure 6 32 on page 110 set DELETE ON to ID RANGE Software Options 109 DMTA 10022 01EN Rev A September 2012 3 Edit the STARTING ID and the ENDING ID values to define the range of IDs you want to delete from the file 4 Select DELETE FILE MENU DELETE DELETE ON ID RANGE STARTING ID ADI ENDING ID D04 DELETE CANCEL to select then ENTER or n Figure 6 32 Deleting the data of an ID range in the active file 6 7 4 7 Deleting All Data Files The reset function can be used to quickly erase all the files stored in the 45MG A CAUTION Using the internal memory reset or master reset erases all files and the data contained in those files The deleted files and the data they contain cannot be recovered The datalogger will be completely empty after this procedure To delete all files 1 In the measurement screen press SETUP and then select RESETS 2 In the RESETS screen see Figure 6 33 on page 111 a Inthe RESETS list select INTERNAL MEMORY RESET or MASTER RESET to delete all files on the internal MicroSD memory card 110 Chapter 6 DMTA 10022 01EN Rev A September 2012 b Select RESET to delete all the files OR Select CANCEL or press MEAS to abort the operation SETUP MENU RESETS RESETS THA e ae CLOCK RESET COMMU
12. 18 mm helps eliminate the possibility of this error In some cases the second or third back wall echo is smaller in amplitude than subsequent echoes which causes the instrument to give a double or triple reading If you are using a D790 transducer this effect may occur around 0 2 in 5 mm on flat smooth steel samples If this occurs it is clearly visible on the waveform display and you can work around it using the manual Echo to Echo detection mode or by moving the extended blank beyond the previously detected first echo When the 45MG cannot make an echo to echo reading the LOS flag appears on the screen In this case the waveform display shows that either no echoes are large enough to be detected or that only one echo is detectable In the latter case the Echo to Echo detection bar begins at the detected echo but extends indefinitely to the right Software Options 73 DMTA 10022 01EN Rev A September 2012 Increase the gain value to make a good echo to echo reading If this does not help you can still obtain an approximate measurement by returning to the standard echo detection mode 6 3 Measurements with Optional THRU COAT D7906 and D7908 Transducers THRU COAT is an optional function that measures the true metal thickness of coated or painted parts This function only requires a single back wall echo and is recommended for heavy corrosion applications where the outside of the material is coated or painted If
13. m in SE H1 4Hz JLOS GATH dB SE K1 4Hz JLOS GAIN dB Figure 10 7 Comparing pulser powers set to 60 V and 200 V NOTE When the 45MG displays the SAT flag below the thickness reading the input voltage from the transducer is above the maximum range and proper measurements cannot be made This can normally be corrected by lowering the PULSER POWER until the SAT flag no longer appears About Custom Setups for Single Element Transducers 167 DMTA 10022 01EN Rev A September 2012 10 6 About the Time Dependent Gain Curve With single element transducers the 45MG either uses the automatic gain control AGC see section 8 1 on page 137 for details on how to activate the AGC or the time dependent gain TDG functions to automatically adjust receiver gain to an optimum level when an echo is detected The 45MG offers three parameters for drawing a time dependent gain curve INIT GAIN TDG SLOPE and MAX GAIN see Figure 10 8 on page 168 From the initial gain level receiver gain slopes up to the maximum gain level at the rate determined by the TDG SLOPE setting When you adjust any of the received gain parameters a black time dependent gain curve is displayed that clearly indicates the zones of initial gain slope and maximum gain MB BLANK EID Boh MHK 0 294 CSE Ee B m Time dependent gain curve TDG SLOPE zone y l l MAX GAIN 0 50 level zone INIT GAIN level zone 0 00 FERN a0
14. Press SAVE while the minimum or maximum thickness reading is displayed To save the entire B scan B scan history k In the B SCAN screen see Figure 9 4 on page 148 set SAVE KEY DATA to THK B SCAN While the B scan is running or when it is frozen press SAVE The Save B Scan history message appears on the help text bar Select Yes to save the entire B scan history including the Minimum or Maximum thickness with the corresponding waveforms OR Select No to save the current B scan screen and the waveform 152 Chapter 9 DMTA 10022 01EN Rev A September 2012 NOTE When a B scan screen is saved to the datalogger the gage saves the thickness values for the data points appearing on the display All thickness values on a saved B scan can be reviewed during ID Review Recall the saved B scan and use the and gt keys to review each thickness reading NOTE You can save a maximum of 10000 thickness readings to a B scan When the maximum number of thickness points reaches 10000 the gage prompts you to save the B scan history or to reset the B scan without saving 9 4 About the DB Grid The database grid DB grid is a table representation of 2 D data This representation enables you to move freely in any direction on a grid rather than follow a preset list of IDs Instead of automatically incrementing to the next ID location you can use the arrow keys to move to a location that is more convenient You
15. and can also be downloaded at www olympus ims com GageView Interface Program User s Manual P N 910 259 EN U8778347 The 45MG also works with the GageView interface program Refer to this document for detailed information on GageView The document is available in PDF format on the GageView CD and as online help within GageView Repair and Modification Apart from the batteries the 45MG instrument does not contain any user serviceable parts A CAUTION In order to prevent human injury and or equipment damage do not disassemble modify or attempt to repair the instrument Safety This instrument has been tested according to IEC Publication 61010 Safety Requirements for Electronic Measuring Apparatus This instruction manual contains warnings and safety rules that must be observed by the user to ensure safe operation of the instrument and maintain it in safe condition Please read through these operating instructions before using the instrument 6 Important Information Please Read Before Use DMTA 10022 01EN Rev A September 2012 Safety Symbols The following safety symbols might appear on the instrument and in the instruction manual A General warning symbol This symbol is used to alert the user to potential hazards All safety messages that follow this symbol shall be obeyed to avoid possible harm A High voltage warning symbol This symbol is used to alert the user to potential electric shock h
16. c cece cceseesescecseseseecececsssnseecesesensnseeceeeneea 36 Figure 3 9 Example of the virtual keyboard oo sesesesc cesses cecseseseseececssensneseeeees 38 Figure 3 10 The character cycle of the traditional text edit method ee 39 Figure 4 1 THE SYSTEMS Cr Or itsc ccccicss decades SG E voecsicnss voseiasieiesvesteecs EE 42 Figure 4 2 THESP M EIN USereen A T trades aa osha sees 43 Figure 4 3 Phe CLOCK SCreeni sie A a A AE A AAO e AEAN 43 Figure 4 4 ThE Di kod id VANES gE e a E E E Vee sass Meta calhnesaes contend 44 Figure 4 5 Example of the indoor and the outdoor color schemes s ssssssssssssessessessee 45 Figure 4 6 The measurement update rate indicator ss ssssesestesssesrteesresrtesesertessseeste gt 47 Figure 5 1 Plugging in the transducer ss ssesssessssessesssstesessessesssestesessesntenieseesensteseereesee 50 Figure 5 2 Initial screen with a standard D79X dual element transducer 005 50 List of Figures 219 DMTA 10022 01EN Rev A September 2012 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 Figure 5 10 Figure 5 11 Figure 5 12 Figure 5 13 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 6 10 Figure 6 11 Figure 6 12 Figure 6 13 Figure 6 14 Figure 6 15 Figure 6 16 Figure 6 17 Figure 6 18 Figure 6 19 Figure 6 20 Figure 6 21 Figure 6 22 Figure 6 23 Figure 6 24 Figure 6 25 Figure 6
17. excitation pulse or interface echo smaller the TDG curve allows for detection of echoes occurring close to the pulse The initial gain can be adjusted from 0 dB to the maximum defined by the MAX GAIN setting The INIT GAIN setting is most critical in applications where minimum thickness measurements must be optimized This setting should always be set with the aid of a reference standard representing that minimum In cases where the minimum thickness capability is less important than penetration and scatter echoes are not a problem the initial gain can be set to be equal to the maximum gain The initial gain does the following e Indicates the initial time dependent receiver gain currently selected e Amplifies echoes that are close to the main bang or interface echoes e Starts at time zero and extends to e The main bang blank in mode 1 e The end of the interface blank in modes 2 and 3 About Custom Setups for Single Element Transducers 169 DMTA 10022 01EN Rev A September 2012 10 6 3 About the TDG Slope The TDG slope controls the rate at which the receiver gain slopes up from the initial gain level to the maximum gain level The TDG slope starts at the position of the MB BLANK parameter in mode 1 and at the end of the IF BLANK parameter in mode 2 and mode 3 The TDG slope helps suppress reflections from grain structure or fibers Generally the TDG slope should be set as high as possible in order for it to reach the ma
18. or GREEN when the cell thickness value is between the LO RANGE VALUE and the HI RANGE VALUE 10 Set HI RANGE COLOR to the desired cell background color RED YELLOW or GREEN when the cell thickness value is higher than the HI RANGE VALUE 9 4 2 Changing the Highlighted Cell in the DB Grid Use the arrow keys to easily move the selected cell in the DB grid To change the highlighted cell in the DB grid Activate and configure the DB grid see section 9 4 1 on page 154 2 Inthe measurement screen press 2nd F FILE ID 3 Inthe ID review screen see Figure 9 11 on page 157 a Use the 4 v 4 and gt keys to highlight the desired grid cell b Press 2nd F 4 to jump to the last ID location in the file c Press 2nd F v to jump to the first ID location in the file d Press ID at any time to edit the displayed ID location 156 Chapter 9 DMTA 10022 01EN Rev A September 2012 10 C02 THK 0 489IH Highlighted cell ID REVIEW DE STD ALARM HIGH GAIN dB t 2nd FE to select or ID to edit ID nen Figure 9 11 The highlighted DB grid cell in the ID review screen 4 Press MEAS to return to the measurement screen with the current ID number changed to the ID location selected in the ID review screen 9 4 3 Saving Thickness Readings in the DB Grid To save thickness readings in the DB grid Activate and configure the DB grid see section 9 4 1 on page 154 2 Move to the desired DB
19. path across the width of the beam The accuracy of the measurement is therefore reduced In severe cases no measurement is possible Acoustic properties of the test material There are several conditions in certain engineering materials that can potentially limit the accuracy and range of ultrasonic thickness measurements e Sound scattering In materials such as cast stainless steel cast iron fiberglass and composites sound energy scatters from individual crystallites in the casting or from boundaries of dissimilar materials within the fiberglass or composite Porosity in any material can have the same effect Adjust the instrument sensitivity to prevent detection of these spurious scatter echoes This compensation can in turn limit the ability to discriminate a valid return echo from the back wall of the material thereby restricting the measurement range e Sound attenuation or absorption In many organic materials such as low density plastics and rubbers sound energy is attenuated very rapidly at the frequencies used for ultrasonic gaging This attenuation typically increases with temperature The maximum thickness that can be measured in these materials is often limited by attenuation 60 Chapter 5 DMTA 10022 01EN Rev A September 2012 5 3 e Velocity variations An ultrasonic thickness measurement is accurate only to the degree that material sound velocity is consistent with the instrument calibration Some materi
20. see Figure 6 15 on page 87 CURRENT 2DGRID Name of the active file RE IEH CREATE COPY EDIT DELETE SEHD IMPORT EXPORT MEHORY REPORT Figure 6 15 The active file name appears in the ID bar The file also contains header parameters that can be defined to better describe the content of the file In the file you can organize the ID range select the data format and select the saved data Table 5 on page 88 summarizes the contents of a file and indicates where you can find more information Software Options 87 DMTA 10022 01EN Rev A September 2012 Table 5 File contents summary Contents Description See section Header Extra parameters to describe the contents and 6 7 2 on the context of the data page 90 Measurement Organized by predefined IDs arranged by file 6 7 2 1 on data types page 91 Data format defined by the file data mode 6 7 3 on page 102 Saved data thickness measurement with or 5 4 on without the waveform configured using the page 63 setup menu You can identify the datalogger parameters in the ID bar at the top of the measurement screen see Figure 6 16 on page 88 bar Previous thickness 0 number HID B03 TH 0 298 JID B03 THK 0 298 Lela NAA TS 0 265 DE STD Fast GAIN dB DE STD Fast GAIN dB Figure 6 16 Identifying datalogger parameters With each measurement the 45MG also stores a complete description of the me
21. 01EN Rev A September 2012 2 Use the and 7 keys to select the character you want to enter Hold down the key to quickly cycle through the letters numbers and special characters Use the gt keys to move to the next character Repeat step 2 and step 3 to enter other characters If you need to move the position of the cursor in the value text box use the gt or 4 key To insert a character at the cursor position press CAL ZERO The character at the cursor and all those to the right move one position to the right making space for one new character To delete the character at the cursor position press CAL VEL The character at the cursor is deleted and any characters to the right move to the left by one position Press ENTER to accept the character string and move to the next parameter 40 Chapter 3 DMTA 10022 01EN Rev A September 2012 4 Initial Setup The following sections describe basic system configurations 4 1 Setting the User Interface Language and Other System Options The 45MG can be configured to display the user interface in the following languages English German French Spanish Japanese Chinese Russian Swedish Italian Norwegian Portuguese or Czech You can also set the character delimiting the radix of a number The 45MG includes a beep tone generator that confirms when a key is pressed and notifies you of an alarm condition The beeper can be set to On or Off
22. 17 EPRI 100 erasing data in active file 116 error messages 201 calibration 55 exchanging data 183 exporting files to memory card 183 extended blank 145 adjusting 71 using 146 F fast mode 46 FCC USA compliance 12 file copying 105 deleting 108 deleting all 110 editing 106 opening 104 renaming 107 file data modes 102 file name 63 87 filled in waveform 80 first peak 166 freeze indicator 34 freezing waveform 135 waveforms 134 full rectification 79 G GageView about 181 installation 182 manual 6 Index 227 DMTA 10022 01EN Rev A September 2012 gain initial 169 maximum 169 time dependent 168 generating report 117 H half rectification 79 half rectification 79 high penetration software option 66 86 high resolution software option 48 66 high temperature measurements 57 ICES 001 Canada compliance 12 ID bar 31 32 ID number 32 ID overwrite protection 112 ID review screen 112 ID editing 114 important notes forgotten password 133 turning off before procedure completion 55 user s manual 15 importing survey files from memory card 185 inactive time 41 incremental data file 91 indicators alarm 34 DE AEtoE 68 DE MEtoE 69 DE STD 68 download 32 freeze 34 LOS 34 power 25 rectification 32 zoom 34 indoor color scheme 45 initial gain 169 initial screen 50 inserting a character 40 instruction label content 3 location 2 instruction manual 5 instrument calibrating 53
23. 26 Figure 6 27 Figure 6 28 Figure 6 29 Figure 6 30 Figure 6 31 Selecting a default single element transducer setup 0 eee 51 Sound velocity calibration on a five step test block Thick part 53 Performing the sound velocity calibration on a five step test block 54 Sound velocity calibration on a five step test block Thin part 54 Performing the zero calibration on a five step test block wees 55 Example of a five step test block oo sess eececssssesesessseseseseseseseseseees 56 Entering a known material sound velocity oo ccc seseeseseteseecscseeeseeeeeeeees 58 The calibration lock Message ccsseseseeseseesesesestsneeseseseeneseececesesessseaneneneeeeees 59 Coupling a dual element transducer c cccccseseeseseseesesesesesesteeseeceeenessseeenes 62 Reading the measured thickness 0 0 0 cece cesses eeeseeeseececseeneneteteeenenes 63 The active file name appearing in the ID bar 0 cesses eeeeeeeeees 63 The OPTIONS SCreetinsizssccescedisacestcetyssdesd cote vadentguedaclsatiseslassiipdeedacdsiadadeuasvieaates 67 Measuring with the standard echo detection mode cceeeeeeeceseseeeees 68 Measuring with the automatic Echo to Echo detection mode ee 69 Measuring with the manual Echo to Echo detection mode ceeee 70 Comparing manual measurements c cece secs eeee cece ceeseseececeneeenaneeeeeees 72 Opening the THRU COAT setup dialog DOX cececccceseestensteeseeee
24. 45MG has a built in date and time clock You can set the date and the time and select their format The 45MG saves all measurement values with their acquisition date To set the clock 1 Inthe measurement screen press SETUP and then select SP MENU 2 Inthe SP MENU see Figure 4 2 on page 43 select CLOCK 42 Chapter 4 DMTA 10022 01EN Rev A September 2012 4 4 MEAS SYSTEM gt DISPLAY gt ALARH DIFF gt COHH B SCAN DB GRID LANGUAGE PASSHORD OPTIONS LOCKS TESTS RESETS SH DIAG EIE status JSE A3 4Hz REGULATORY Figure 4 2 The SP MENU screen In the CLOCK screen see Figure 4 3 on page 43 set the parameters to the current date and time Set the desired DATE MODE and HOUR MODE and then select SET SETUP_WENU CLOCK HONTH DAY YEAR DATE MODE WH DD YYYY HOUR 10 AH MINUTE 13 HOUR MODE 12 HOUR SET CANCEL gt to change then ENTER or Figure 4 3 The CLOCK screen Changing Display Settings The appearance of certain display elements such as colors brightness waveform rectification and waveform trace can be changed Initial Setup 43 DMTA 10022 01EN Rev A September 2012 To change the display settings 1 Inthe measurement screen press SETUP and then select DISPLAY NOTE Many of the display parameters are only visible when the Waveform or Datalogger options have been activated 2 Inthe DISPLAY screen see Figur
25. 6 DMTA 10022 01EN Rev A September 2012 6 5 1 Recalling Single Element Transducer Setups The procedure for recalling single element transducer setups is explained in section 5 1 on page 49 6 5 2 Creating Custom Single Element Transducer Setups For more information about how to create custom single element transducer setups please refer to chapter 10 on page 159 6 5 3 High Resolution Thickness The 45MG has the ability to display thickness values with its standard resolution of either 0 001 in or 0 01 mm and its low resolution of either 0 01 in or 0 1 mm These resolutions are adequate for most ultrasonic thickness measurement applications For single element transducers the high resolution software option provides the added ability to display thickness readings with a high resolution of either 0 0001 in or 0 001 mm High resolution is not available for all transducers and measurement modes and is also limited to the maximum thickness Although the 45MG is able to display thickness readings in high resolution the measurement accuracy is highly dependent on the material geometry surface condition and temperature and also needs to be determined on a case by case sample evaluation basis High resolution is available for the following transducers and measurement conditions e Single element transducer in the frequency range of 2 25 MHz to 30 0 MHz e Thickness measurement below 4 00 in or 100 mm High resolution is not
26. 64 notes adding row or column 100 alarm colors only with indoor color scheme 46 alarm indicator and color 128 130 alarm reference values and units 132 B scan appears only when enabled 131 calibration error 55 couplant types 62 creating data file in GageView 90 data saved with a B scan 153 deleting an ID 116 deleting and delete protection 109 display brightness and battery life 46 display update rate and min max mode 127 displaying file header 107 entering known material sound velocity 76 extended blank effects 147 filled in waveform trace condition 80 freeze to center the B scan 150 fully charge batteries after replacement 29 fully charged battery 27 GageView installation 182 grid transposition and ID increments 155 high temperature measurement 57 ID increment number of digit 92 max gain always higher than initial gain 169 menu selection writing convention 35 modes and echo window 166 move to the next line in text edit 39 mutually exclusive MIN MAX and HOLD BLANK functions 139 no stored data shown while editing ID 114 output format details 142 parameter selection writing convention 37 quick setup recall only for single element transducers 179 redo zero with M2008 transducer 86 saving calibration and setup parameters 140 transmitted data remains in 45MG 183 unfreezing display 135 user defined setups 51 o Olympus technical support 14 opening file 104 options software 65 outdoor color s
27. A September 2012 c calibration 52 59 instrument 53 locked 58 material sound velocity 57 test block 56 THRU COAT 75 transducer zero compensation 56 Canada ICES 001 compliance 12 capturing screen with GageView 187 caution notes battery replacement 28 cannot recover data after measurement reset 110 cannot recover deleted file content 108 cannot recover erased data 116 experienced operator only 145 160 ingress protection guarantee 18 internal memory reset deletes all data 196 master reset deletes all data 196 replacing setup deletes original data 177 CE marking 4 changing active ID 114 display settings 44 echo detection mode 70 file data mode 103 highlighted cell in DB grid 156 language 41 thickness measurement resolution 48 character cycle in traditional method 39 deleting 40 inserting 40 China RoHS 4 11 cleaning instrument 194 clock reset 196 setting 42 coated material 74 color scheme 45 changing 44 communication configuring 141 reset 190 196 compliance C Tick Australia 4 EMC directive 12 FCC USA 12 ICES 001 Canada 12 regulatory information 12 configuring beeper 41 communications 141 DB grid 154 differential mode 124 inactive time 41 instrument 137 measurement parameters 137 radix type 41 system parameters 140 connections 19 copying file 105 corrosion applications 74 couplant types 62 coupling technique 59 creating custom setups for SE transducers 160 data file 90 C Tick mark 4 curvat
28. DB grid see section 9 4 1 on page 154 2 Press 2nd F FILE D and then use the arrow keys to move to the desired shaded grid cell 3 Press ENTER to change the grid to a linear view following which the inserted or appended ID number is displayed see Figure 9 13 on page 158 Figure 9 13 Example of a zoomed inserted cell 4 Press ENTER again to return to the normal DB grid view 158 Chapter 9 DMTA 10022 01EN Rev A September 2012 10 About Custom Setups for Single Element Transducers Once the Single Element High Resolution option has been activated the 45MG includes predefined setups for standard single element transducers In some cases a 45MG ships from the factory preprogrammed with one or more custom setups to meet special customer requirements You can create your own custom setups to meet the need of a particular single element transducer or for a particular application Predefined and custom setups allow you to quickly change between transducer and application setups by selecting a previously saved setup Topics are as follows e Creating a Custom Setup for a Single Element Transducer see section 10 1 on page 160 e Quickly Adjusting Waveform Parameters For Single Element Transducers see section 10 2 on page 162 e About the Detection Modes see section 10 3 on page 164 e About the First Peak see section 10 4 on page 166 e About the Pulser Power see section 10 5 on page 167 e Abou
29. DEFM1 1 0 M103 M103 Steel 0 100 in to 25 00 in 2 5 mm to 635 mm DEFP1 0 5 M2008 M2008 Fiberglass 0 200 in to 3 00 in 5 0 mm to 75 mm a The maximum thickness measuring capability depends on the transducer type material con ditions and temperature Table 26 Setup parameter description Name Description Units Resolutions Range MEAS Echo detect mode Standard dual OPTION Dual Echo to Echo THRU COAT Mode 1 Mode 2 Mode 3 MEAS TYPE Special measurement modes Standard First Peak with Single Element option PROBE TYPE Transducer types Dual element Direct contact with Single element option Delay line Immersion PULSER Pulser power 60 V 110 V 150 V or 200 V POWER MAX GAIN Maximum receiver gain 0 0 dB to 99 0 dB 0 3 dB steps INIT GAIN _ Initial TDG gain 0 to Max Gain 1 dB steps TDG SLOPE Time Gain slope default 0 0 dB s to 39 9 dB s MB BLANK Main bang blank Ons to 225 us 208 Appendix A DMTA 10022 01EN Rev A September 2012 Table 26 Setup parameter description continued Name Description Units Resolutions Range ECHO Echo detect gate which begins 0 ns to 224 71 us 55 ns or MB WINDOW at end of MB main bang blank time interval whichever is blank in mode 1 or interface less echo in modes 2 and 3 The value reported for the end of the echo window is relative to the main bang ECHO 1 Detection polarity of first ec
30. Differential Mode see section 7 1 on page 123 Using the Minimum Maximum or Min Max Thickness Mode see section 7 2 on page 125 Preventing False Minimum Maximum Thickness Readings see section 7 3 on page 127 Using Alarms see section 7 4 on page 128 Locking the Instrument see section 7 5 on page 132 Freezing the Measurement or Optional Waveform see section 7 6 on page 134 Activating and Configuring a Differential Mode The 45MG includes differential modes that can be used to easily compare the actual measurement with an entered reference value The actual thickness measurement appears on the thickness display and the differential value appears in the differential display area see Figure 7 1 on page 124 Using Special Functions 123 DMTA 10022 01EN Rev A September 2012 i Mikaa n _ Actual thickness 0 00 1 00 Differential ValUC 0 g 6 DIFF 0 004 2 in DE STD Fast GAIN dB Figure 7 1 Normal differential mode shown with Waveform option activated The units and resolution of the differential thickness are the same as those selected for the thickness measurement When you press SAVE with the optional datalogger while in the NORMAL or RATIO differential modes the 45MG saves the actual thickness value along with the D flag indicating that the Differential mode is active To activate and configure a differential mode In the measurement screen press SETUP and then sele
31. Operating Time The battery operating time depends on the type of batteries being used the age of the batteries and the instrument settings To provide realistic battery operating times the 45MG has been tested with mid level operating parameters update rate set to 4 Hz and display brightness set to 20 The nominal battery operating times for new batteries are e Alkaline 20 21 hours nonrechargeable e NiMH 22 23 hours externally recharged 26 Chapter 2 DMTA 10022 01EN Rev A September 2012 e Lithium 35 36 hours nonrechargeable 2 2 2 Battery Level and Storage NOTE When the batteries are full 100 level the battery power indicator will show full bars Battery Storage Instructions e Store batteries in a cool dry environment e Avoid long term storage under sunlight or in other excessively hot places such as the trunk of an automobile 2 2 3 Replacing the Batteries The batteries are located in a compartment that is accessible from the back of the 45MG see Figure 2 3 on page 27 Batteries Battery compartment door Battery compartment gasket BY A 1 of lt Battery compartment door lock Figure 2 3 Opening the battery compartment Powering the 45MG 27 DMTA 10022 01EN Rev A September 2012 A CAUTION Do not replace the batteries while the instrument is on Dispose of used batteries promptly Keep batteries out of reach of children The
32. Value function is written as follows Press 2nd F SAVE REF Value The 7 4 and gt keys along with the ENTER key are used to select menu items or screen parameters and to change parameter values Use the MEAS key at any time to return to the measurement screen The yellow keys are related to calibration Table 2 on page 21 lists the key functions available on the 45MG keypad Many functions are optional and may not be available depending on which software options have been purchased Table 2 Keypad functions English International Functions Measurement Completes the current operation and returns to the measurement screen Instrument Description 21 DMTA 10022 01EN Rev A September 2012 Table 2 Keypad functions continued English International Functions ID FILE 2nd F ID aa 2nd F Identification number Accesses several functions related to the ID numbers for the thickness measurement location FILE File Opens the file menu to access file commands open review create copy edit delete send import export memory and report 2nd F 2nd F Secondary function Needs to be pressed prior to a key to activate the secondary function of the key SAVE Save Stores a measurement and optionally the corresponding waveform in the datalogger at the current ID number FREEZE Freeze Causes t
33. When the extended blank is positioned within an echo instead of to its left the gage is unable to make an accurate detection 9 3 About the B Scan A B scan is a cross sectional image of thickness readings The 45MG can acquire and display B scan data see Figure 9 3 on page 147 When you activate the B scan the thickness reading profile builds up and scrolls on the screen Once a B scan is acquired you can freeze the screen and review the recorded thickness values BTo B04 THK 0 100 Scan direction mm 0 7Q B scan range oe 0 349 in DE STD Fast GAIN Figure 9 3 B scan example While the B scan is running you can save individual thickness readings the current B scan screen with all thickness values or the entire scan up to 10000 readings see section 9 3 3 on page 151 Using Advanced Gaging Features 147 DMTA 10022 01EN Rev A September 2012 The B scan can be actively configured from the B SCAN screen see Figure 9 4 on page 148 which is accessible by pressing SETUP and then selecting B SCAN in the menu SETUP _HENU B SCAH B SCAH ENABLE DIRECTION LEFT TO RIGHT SAYE KEY DATA THICKNESS LOS HODE STOP ON LOS FREEZE MODE SHOH MINIMUM FREEZE REYIEH HAX THICKNESS 0 7011 gt to select then ENTER or Figure 9 4 Changing B scan parameters The B SCAN screen contains the following parameters DIRECTION Choose the B scan direction to match the dir
34. Without Waveform software option ooo on Figure 5 12 Reading the measured thickness 5 4 Saving Data The 45MG optional datalogger is a file based system in which one file is opened at a time The active file stores a measurement at a thickness measurement location ID Each time you press SAVE the displayed value is saved to the active file at the current ID The ID is automatically incremented for the next measurement When you press FILE the name of the active file appears in the ID bar above the menu see Figure 5 13 on page 63 CURRENT 2DGRID Name of active file REVIEW CREATE COPY EDIT DELETE SEHD IMPORT EXPORT MEMORY REPORT gt Figure 5 13 The active file name appearing in the ID bar Basic Operation 63 DMTA 10022 01EN Rev A September 2012 The NONAMEO00 increment type file starting with the 001 ID is the active file by default when you first use the 45MG or after resetting the instrument memory Various types of files can be created and IDs can be defined to represent various 1 D 2 D or 3 D thickness measurement locations When the instrument is restarted it automatically opens the last file used The following special cases may occur e When the thickness value is blank is saved rather than a value e When a measurement is already stored at the current ID the new value overwrites the old thickness reading unless the overwrite protection is enabl
35. ZERO Calibration Both Velocity and Zero Couple xdcr to thick sample after steady reading press CAL VEL then ENTER Use 4 gt to enter known thickness Couple xdcr to thin sample press CAL ZERO after steady reading press ENTER Use 4 to enter known thickness and press the MEAS key MADE IN U S A www olympus ims com ce N438 Labels and Symbols 3 DMTA 10022 01EN Rev A September 2012 Table 1 Content of the rating plate label continued Contains ce The CE marking is a declaration that this product conforms to all the applicable directives of the European Community See the Declaration of Conformity for details The C Tick label indicates that the product complies with the applicable standard and establishes a traceable link between the equipment and the manufacturer importer or agent responsible for compliance and for placing it on the Australian market This symbol indicates the location of the membrane vent The WEEE symbol indicates that the product must not be disposed of as unsorted municipal waste but should be collected separately The China RoHS mark indicates the product s Environment Friendly Use Period EFUP The EFUP is defined as the number of years for which listed controlled substances will not leak or chemically deteriorate while in the product The EFUP for the 45MG has been determined to be 15 years Note The Environ
36. and Power Accessories ccccecsscssseesseeesceesseecseceseecsseeascesees 216 COUplAants esi aires cosines dees sides aE EE E DE EA R E ass EE E AORTE 216 Test DIOCKS r a Ran E A AEA R A RA a Ras es 216 224 List of Tables DMTA 10022 01EN Rev A September 2012 Index Numerics 2 D grid data file 96 A accessories and replacement parts 215 acoustic properties of test material 60 activating DB grid 154 differential mode 124 min max mode 127 quick setup recall 178 resets 196 software options 66 zoom 82 active file name 63 87 active ID changing 114 adjusting delay value 82 extended and E1 blanks 71 extended blank with D79X series transducers 145 update rate 47 waveform parameters 162 advanced gaging functions 143 alarm setting 130 alarm indicator 34 alarms 128 alkaline batteries operating time 26 using 26 arrow keys 21 Australia EMC compliance 4 Auto E to E 68 B basic operation 49 batteries compartment door 27 compartment door lock 27 operating time 26 battery level 25 power 26 replacement 28 resolving problems 201 storage instructions 27 battery door 20 beeper 41 140 blank adjusting 71 interface 174 main bang 170 mode 3 echo 176 thickness value 64 boiler data file 100 brightness display 44 B scan about the 147 alarm 129 freeze mode 149 max THK mode 150 saving 151 scan direction 148 using 150 using the alarm mode 151 Index 225 DMTA 10022 01EN Rev
37. available for the following transducers or measurement conditions e Dual element transducers e Low frequency transducers with a frequency below 2 25 MHz e Thickness ranges over 4 00 in or 100 mm e Once activated the high resolution selection appears in the resolution selection list see section 4 6 on page 48 Software Options 85 DMTA 10022 01EN Rev A September 2012 6 6 High Penetration Software Option The 45MG high penetration software option coupled with low frequency single element transducers down to 0 5 MHz allows you to make thickness material sound velocity and time of flight measurements on materials such as composites fiberglass plastic rubber and cast metals that are difficult or impossible to measure using standard ultrasonic instruments The M2008 U8415001 transducer is a special low frequency transducer used to measure the thickness of thick fiber reinforced polymer FRP and composite materials NOTE With a M2008 transducer only press 2nd F CAL ZERO Do ZERO at any time to auto adjust the zero offset and compensate for temperature changes in the delay line To use the high penetration software option with the M2008 transducer 1 ae amp N 6 7 Ensure that the high penetration software option is activated see section 6 1 on page 66 for details Connect the M2008 transducer to the T R 1 connector at the top of the 45MG Press 2nd F FREEZE XDCR RECALL In the menu sel
38. batteries used in this device may present a risk of fire or chemical burn if mistreated Do not disassemble heat above 50 C or incinerate the batteries To replace the batteries Ensure that the power to the 45MG is turned off Disconnect any other cables connected to the 45MG Remove the optional protective rubber boot if installed Turn the battery door lock half a turn counterclockwise to the unlock position Remove the battery compartment cover Remove the batteries AT Oy 9 GR Insert three new batteries in the battery compartment making sure that you observe the correct polarity 8 Ensure that the gasket inside the battery compartment cover is clean and in good condition 9 Reinstall the battery compartment cover on the back of the instrument push down on the bottom of the battery door and then turn the battery door lock half a turn clockwise to the lock position 10 Reinstall the optional protective rubber boot if required 11 Press w to turn on the 45MG instrument 12 To answer the question appearing at the bottom of the screen see Figure 2 4 on page 29 Select Alkaline when using three AA size alkaline batteries OR Select NiMH when using three AA size nickel metal hydride NiMH batteries OR Select Lithium when using three AA size lithium batteries 28 Chapter 2 DMTA 10022 01EN Rev A September 2012 0 00 0 50 n Battery type HiKH Lithium Figure 2 4 Selecting the battery
39. cleaning 194 configuring 137 locking 132 status 201 interface blank 174 internal memory reset 195 international keypad 21 IP67 ingress protection 17 K keypad 20 functions 20 21 secondary function 21 known material sound velocity 58 L labels instructions 2 3 safety 1 serial number 3 language changing 41 last ID 64 lithium batteries operating time 27 loading setup 51 locked calibration 58 locking instrument 132 loss of signal indicator 34 main bang blank 170 maintenance 193 gage 193 transducer 194 transducers 194 Manual E to E 69 manual gain adjust with D79X series trans ducer 143 145 master reset 196 material coated or painted 74 entering sound velocity 58 228 Index DMTA 10022 01EN Rev A September 2012 sound velocity calibration 52 53 57 maximum gain 169 maximum mode 125 measurement features 16 parameters configuring 137 reset 195 troubleshooting 202 update rate 46 measurement mode ID overwrite protection 112 supervisor lock 132 measurement screen 31 32 measuring thickness 61 membrane vent 4 memory card exporting files to 183 importing survey files from 185 MicroSD 19 screen capture 189 slot 20 menus 35 selecting a command 35 messages error 201 min max mode 125 preventing false readings 127 minimum mode 125 mode 1 83 mode 2 83 mode 3 84 mode 3 echo blank 176 N negative detection 173 NiMH rechargeable batteries 26 operating time 26 noname00 default file
40. data file type s sssssssssssssesessesseee 100 Configuring the ID range for a boiler data file type oo eee 102 The FLE men re ea a a hia adhe a a E S 103 Opening a file lerer onre EE E RASES EEEE ESS 104 GCopyi ga file sasiore ioiei en reis ie EERE STAES REE EE 106 Entering new file information sssesssssssessessssssesissesssesiestertissessenrensesnesnesneesees 107 Displaying the grid edit screen sssssssssssssssessssressesressssssestesissesiententessessentesne 108 Deleting a file hiriari e ER E E E E ES 109 220 List of Figures DMTA 10022 01EN Rev A September 2012 Figure 6 32 Figure 6 33 Figure 6 34 Figure 6 35 Figure 6 36 Figure 6 37 Figure 6 38 Figure 6 39 Figure 6 40 Figure 6 41 Figure 6 42 Figure 6 43 Figure 6 44 Figure 6 45 Figure 6 46 Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4 Figure 7 5 Figure 7 6 Figure 7 7 Figure 7 8 Figure 7 9 Figure 7 10 Figure 8 1 Figure 8 2 Figure 8 3 Figure 9 1 Figure 9 2 Figure 9 3 Figure 9 4 Figure 9 5 Figure 9 6 Figure 9 7 Figure 9 8 Figure 9 9 Figure 9 10 Figure 9 11 Deleting the data of an ID range in the active file 0 cece 110 Warning message when resetting measurements cceseseeeseeseseeteteeeees 111 The MEMORY status screen cccccesecsscsssessceseessececeseeceecseecsecssesaecseceaseseenees 111 The ID overwrite protection Message ou ccc esesecseesesescsesesesescsesteeseeeeeees 112 Identifying the ID review screen 0 cece ee
41. file for which you want to create the report Software Options 117 DMTA 10022 01EN Rev A September 2012 b Select REPORT The FILE SUMMARY report result screen opens see Figure 6 40 on page 118 FILE SUMMARY SORT BY NAME MODE THICKNESS CREATED 04 09 12 REPORT CANCEL to select then ENTER or f Figure 6 39 The FILE SUMMARY report screen START ID A01 END ID D04 TOTAL ID COUNT 16 HHINS fi MIN YAL 0 297 HMAXS 5 MAX YAL 0 299 HHI ALARMS O SHI 0 0 LO ALARMS O LOW Jo 0 MEAN 0 298 MEDIAN 0 298 STD DEY 0 001 NEH REPORT Figure 6 40 The FILE SUMMARY report result screen c Select CANCEL to return to the measurement screen or NEW REPORT to generate another report 4 In the MIN MAX SUMMARY screen a Select the file for which you want to create the report 118 Chapter 6 DMTA 10022 01EN Rev A September 2012 b Select REPORT The MIN MAX SUMMARY report result screen opens with the first min ID highlighted see Figure 6 41 on page 119 MIN MAX SUMMARY WIN YAL 0 297 MAX YAL 0 299 HINS i B04 HWAXS 5 Dol poz E CANCEL NEH REPORT Figure 6 41 The MIN MAX SUMMARY report screen c Press 2nd F 4 or 2nd F v to move between the MINS and MAXS lists d Select CANCEL to return to the measurement screen or NEW REPORT to generate another report In the FILE COMPARISON screen see Figure 6 42 on page 120 a Inthe upper
42. grid cell see section 9 4 2 on page 156 3 Inthe measurement screen while the thickness value is displayed press SAVE to save the thickness The displayed thickness value and setup information are stored at the current ID location identified by the highlighted cell in the grid If the thickness display is blank when you press SAVE Datalogger option only then is saved in place of a value The ID number is automatically updated to the next ID number in the sequence The new ID number is indicated on the ID bar and its cell is highlighted in the grid If the ID number cannot be updated a long beep sound is emitted and the instrument displays a message indicating why the ID was unable to update In this case the ID number on the display remains unchanged Using Advanced Gaging Features 157 DMTA 10022 01EN Rev A September 2012 9 4 4 Viewing an Inserted or an Appended Cell in the DB Grid It is possible to insert or append a cell in the DB grid To maintain the format of the grid the inserted or appended cell does not appear until you are on the cell with the inserted point The file will automatically change to the linear form and then return back to Grid view when you increment to the next grid location see Figure 9 12 on page 158 Cell with an inserted or appended cell Figure 9 12 Example of an inserted cell To view an inserted or an appended cell in the DB grid Activate and configure the
43. in and 25 0 in 0 08 mm and 635 0 mm The temperature range of measured materials may vary between 4 F and 932 F 20 C and 500 C depending on the material characteristics the transducer and the measurement mode Basic features e Measurement related status flags and alarms e Quarter VGA color transflective LED back lite display e Automatic probe recognition for the standard D79X and MTD705 series transducers e Warning against calibration doubling for dual element transducers e Calibration for unknown material sound velocity and or transducer zero e Fast scan mode with 20 readings per second e Hold or blank thickness display during loss of signal LOS conditions e Hold minimum and maximum functions e Differential thickness display relative to the set point in absolute values or percentage ratios e Selection of password protected lockout functions e Selectable resolution low of 0 01 in 0 1 mm standard of 0 001 in 0 01 mm or high optional of 0 0001 in 0 001 mm option not available for all transducers Optional features e Single element transducers e Echo to Echo and THRU COAT measurements e High Penetration software for low frequency single element transducers e A scan or waveform display Real time A scan waveform display for verification of critical measurements Manual freeze mode with post processing Manual zoom and range control of waveform display Auto hold on loss of sig
44. in dB SE H1 20Hz 0 Aaa dB Negative detection of a steel air interface Positive detection of a plastic steel interface Figure 10 13 Negative and positive echo detection examples About Custom Setups for Single Element Transducers 173 DMTA 10022 01EN Rev A September 2012 Refer to Table 12 on page 174 for assistance in selecting the appropriate detection polarity for a given application Table 12 Polarity of echoes Measurement Echo 1 Echo 2 mode Mode 1 The back wall echo is Not applicable using contact normally negative except transducer when measuring material of low acoustic impedance bonded to a material of high impedance such as plastic or rubber over metal where the echo is phase reversed Mode 2 The interface echo is The back wall echo is using delay line or immersion transducers Mode 3 using delay line or immersion transducers normally positive for high impedance materials such as metals and ceramics and negative for low impedance materials such as most plastics The interface echo is normally positive for high impedance materials normally negative unless the back wall echo represents the sort of low to high impedance boundary The back wall echo is normally negative except in some special cases involving difficult geometries in which phase distortion may cause the positive side of the back wall echo to be better defined than the negative side 10 8 2
45. list select the reference file you want to use in the comparison b In the lower list select the comparison file containing newer data for the same measurement points c Select REPORT The FILE COMPARISON report result screen opens with the first maximum wall loss ID highlighted see Figure 6 43 on page 120 Software Options 119 DMTA 10022 01EN Rev A September 2012 FILE WENUS SUS sey SORT BY NAME rs SORT BY NAME REPORT CANCEL t to select then ENTER Figure 6 42 The FILE COMPARISON report screen FILE COMPARISON WAX HALL LOSS AYG HALL LOSS OF MAX HALL LOSS IDs CANCEL HEH REPORT Figure 6 43 The FILE COMPARISON report result screen d Review the maximum wall loss location list and the maximum wall growth location list e Select CANCEL to return to the measurement screen or NEW REPORT to generate another report 6 Inthe ALARM SUMMARY screen a Select the file for which you want to generate the report b Select REPORT The report page of the ALARM SUMMARY screen opens with the first low alarm location ID highlighted see Figure 6 44 on page 121 120 Chapter 6 DMTA 10022 01EN Rev A September 2012 ALARM SUMMARY LO ALARKS HHI ALARKS c03 F i c04 CANCEL HEH REPORT Figure 6 44 The ALARM SUMMARY report result screen c Review the low and the high alarm location lists d Select CANCEL to return to the measurement screen o
46. necessary the measurement of the coating paint layer can also be calibrated to precisely measure the thickness of the coating paint NOTE In order for the THRU COAT function to work properly the thickness of the coating or paint must be at least 0 005 in 0 125 mm thick The maximum coating paint thickness that THRU COAT can measure is dependent on the type of coating but typically greater then 0 080 in 2 mm If the THRU COAT function does not display a coating thickness or if the coating thickness does not seem realistic THRU COAT may not be able to properly resolve the coating thickness In such cases the user should try a different measurement mode like Echo to Echo or standard 6 3 1 Enabling the THRU COAT Function The THRU COAT function is only available when you connect a THRU COAT transducer P N D7906 U8450005 or D7908 U8450008 to the 45MG To enable the THRU COAT function Connect a THRU COAT transducer to the 45MG Turn on the instrument Wipe the couplant off the transducer tip Press 2nd F CAL ZERO Do ZERO see Figure 6 6 on page 75 te ae ie 74 Chapter 6 DMTA 10022 01EN Rev A September 2012 EA 6 3 2 ID A01 THK 0 298 Do Please wipe couplant off probe then press 2nd F CAL ZERO OOO Enable THRU COAT HO Figure 6 6 Opening the THRU COAT setup dialog box Select YES to answer the Enable THRU COAT prompt Performing a THRU COAT Calibration The calibrat
47. of the measurement screen with the large type font THICKNESS or REDUCTION RT 3 Press MEAS to return to the measurement screen with the displayed differential value 7 2 Using the Minimum Maximum or Min Max Thickness Mode The minimum maximum or min max thickness modes can be activated to display retained minimum and or maximum thickness values The MIN and or MAX values appear on the left side of the main thickness reading see Figure 7 3 on page 126 The Using Special Functions 125 DMTA 10022 01EN Rev A September 2012 minimum or maximum thickness value replaces the main thickness display when the transducer is uncoupled or when a loss of signal LOS occurs The replacement value appears in an outlined font HID B04 JTHK 0 100 amp JID BO4 THK 0 100 F F u u L E L E j ka 0 00 0 00 Active reading Active reading Minimum thickness ow a Ee Maximum thickness MDB o o o MHK 600 100 EDko O O THK 0 o F i F U U E AN E f L L k a a 0 00 0 00 1 00 MIN ran 101 0 700 HAX 0 490 490 0 AAN MAX 0 506 in in DE STD Fast GAIN B DE STD Fast LOS GAIN dB Active reading Recalled maximum during LOS Minimum and maximum Maximum thickness thicknesses Figure 7 3 Displaying the minimum and or maximum thickness shown with the Waveform option activated 126 Chapter 7 DMTA 10022 01EN Rev A September 2012 NOTE The fastest display update rate is automat
48. or TRADITIONAL 3 Press MEAS to return to the measurement screen 3 4 1 Editing Text Parameters Using the Virtual Keyboard When TEXT EDIT MODE is set to VIRTUAL the virtual keyboard appears when an alphanumeric parameter is selected see Figure 3 9 on page 38 Software User Interface Elements 37 DMTA 10022 01EN Rev A September 2012 SETUP MENU PASSHORD Title bar Parameter value text box Virtual keyboard t to select char command then ENTER 1 ENTER 2ndF ENTER 2ndF ol ext bars Figure 3 9 Example of the virtual keyboard To edit an alphanumeric parameter value using the virtual keyboard 1 Select an alphanumeric parameter The virtual keyboard appears Use the 4 7 gt and 4 keys to highlight the character that you wish to enter and then press ENTER The selected character appears in the parameter value text box and the cursor moves to the next character position Repeat the previous step to enter other characters If you need to move the position of the cursor in the value text box highlight either the left 4 or right 1 arrow button on the virtual keyboard and then press ENTER The cursor moves by one character position When you need to delete a character a Move the cursor to the character you wish to delete b On the virtual keyboard highlight DELETE and then press ENTER When you need to insert a character a Move the cursor to the charact
49. paths within the beam area In such cases phase distortion can create an echo that is neither cleanly positive nor negative Careful experimentation with reference standards is necessary in such cases in order to determine the effects on measurement accuracy Measuring Thicknesses You can start performing thickness measuring as soon as a transducer is connected see section 5 1 on page 49 and the instrument is calibrated see section 5 2 1 on page 53 To measure thicknesses Apply couplant to the measurement spot on the test block or tested part Basic Operation 61 DMTA 10022 01EN Rev A September 2012 NOTE In general use a thinner couplant such as propylene glycol glycerin or water for smooth material surfaces Rough surfaces require a more viscous couplant such as gel or grease Special couplants are required for high temperature applications 2 Using moderate to firm pressure couple the tip of the transducer to the surface of the test material and keep the transducer as flat as possible on the material surface see Figure 5 11 on page 62 WINONA PA RK Figure 5 11 Coupling a dual element transducer 3 Read the measured thickness value for the tested part see Figure 5 12 on page 63 62 Chapter 5 DMTA 10022 01EN Rev A September 2012 JID A01 THK 0 298 1D A01 THK 0 298 Hu vr 0 300 2 00 0 500 DE STD Fast GAIN dB DE STD Fast GAIN dB With Waveform software option
50. preventing erroneous measurements Using Advanced Gaging Features 145 DMTA 10022 01EN Rev A September 2012 To use the extended blank 1 Press GAIN WAVE ADJ only available when the waveform is active The waveform adjustment parameter and its value appear on the measurement screen see Figure 9 2 on page 146 2 If needed use the and 7 keys to select EXT BLANK The extended blank becomes active but initially its value is zero The gage remains in the measurement screen 3 Use the gt or 4 keys respectively to increase or decrease the blank value until early unwanted echoes are excluded from detection The extended blank horizontal bar just above the waveform display indicates the extended blank length see Figure 9 2 on page 146 a B04 0 100 Extended blank a BL Fron a J INT 1 0 0 295 DE STD Fast GAIN 62dB Waveform adjustment parameter and value a 00 Figure 9 2 Adjusting the extended blank length 4 To turn off the extended blank use the 4 key to bring the extended blank value back down to zero 146 Chapter 9 DMTA 10022 01EN Rev A September 2012 NOTE If the measurement point changes when the extended blank is moved echoes can change in height This is because in the normal waveform display mode the 45MG attempts to adjust the height The instrument also attempts to make the most accurate measurement by identifying the beginning of an echo
51. readings waveforms that are stored in the memory card However this reset does not delete any stored transducer setups CLOCK RESET Resets the date to 01 01 2010 in the MM DD YYYY format and the time to 12 00 A M in the 12 hour format COMMUNICATION RESET Changes the communication settings to the default factory values listed in Table 15 on page 196 Table 15 Default communication settings Parameter Default value COMM PROTOCOL MULTI CHAR OUTPUT FORMAT F1 B SCAN OUTPUT OFF FTP OUTPUT 45MG OUTPUT TYPE FTP MASTER RESET Performs the measurement reset and the internal memory reset in a single step A CAUTION The master reset permanently deletes all stored thickness readings waveforms that are stored in the internal memory card of the 45MG To activate a reset function 1 Inthe measurement screen press SETUP and then select RESETS 196 Chapter 12 DMTA 10022 01EN Rev A September 2012 2 12 5 In the RESETS screen see Figure 12 1 on page 197 a Inthe RESETS list highlight the desired reset function A warning message appears indicating the type of data that will be reset b Select RESET SETUP HEHU RESETS RESETS MEASUREMENT RESET INTERNAL MEMORY RESET CLOCK RESET COMMUNICATION RESET 11 HARMING MEASUREMENT data will be RESET RESET CANCEL t to select then ENTER Figure 12 1 Activating a reset function Performing Hardwar
52. reduce the accuracy of measurements but simulating actual surface conditions on the calibration block can help to improve results Has one part as thick as the thickest section of the parts to be tested in order to perform the material sound velocity calibration The front and back surfaces should be smooth and parallel Be at the same temperature as the samples to be measured About the Transducer Zero Compensation Perform a transducer zero compensation by pressing 2nd F CAL ZERO Do ZERO whenever the zero indicator Do appears This procedure should also be performed when the dual element transducer temperature has changed 56 Chapter 5 DMTA 10022 01EN Rev A September 2012 The frequency at which you perform a transducer zero compensation procedure depends on the rate of change of the internal temperature of the dual element transducer This is related to the material surface temperature the frequency of transducer application the length of time the transducer is held in contact with the material and the accuracy that you want to obtain NOTE When measurements are made on surfaces that are significantly above room temperature the zero point should be recalibrated on a regular basis This is less important for transducers with part numbers D790 SM D791 RM D797 SM and D798 than for other transducers with various types of resin delay lines For high temperature measurements Olympus recommends developing a t
53. screen with the B scan active 150 Chapter 9 DMTA 10022 01EN Rev A September 2012 9 3 2 The B scan begins drawing the cross section of the material as soon as the first non LOS reading is collected To stop the collection of B scan data Press FREEZE OR With B SCAN LOS MODE set to STOP ON LOS simply uncouple the transducer from the test material While the B scan is frozen if B SCAN FREEZE REVIEW is set to ON use the 4 and gt keys to move the review marker and then read the thickness value corresponding to the marker position Press MEAS again to reset the B scan and begin a new B scan Refer to section 9 3 3 on page 151 for details on how to save B scan data Using the B Scan Alarm Mode You can specify B scan low and high alarm reference values and turn the visual and audible alarm functions ON and OFF The B scan alarm mode is similar to the standard alarm mode see section 7 4 on page 128 except that the alarm lines are shown in the B scan grid if the alarm reference values fall within the B scan thickness range The alarms are also operational as you review B scan thicknesses in review mode within a frozen B scan To use the B scan alarm mode 9 3 3 Activate and configure the B scan see section 9 3 1 on page 150 While in the measurement screen press SETUP and then select ALARM In the ALARM screen see Figure 7 7 on page 131 a Set ALARM ENABLE to ON b Set ALARM MODE to B SC
54. section 12 2 on page 194 Maintaining Transducers see section 12 3 on page 194 Using Instrument Resets see section 12 4 on page 195 Performing Hardware Diagnostic Tests see section 12 5 on page 197 Performing the Software Diagnostic Test see section 12 6 on page 199 Viewing the Instrument Status see section 12 7 on page 200 Understanding Error Messages see section 12 8 on page 201 Resolving Battery Problems see section 12 9 on page 201 Resolving Measurement Problems see section 12 10 on page 202 Routine Gage Maintenance The 45MG case is sealed to prevent ingress of environmental liquids and dust when the battery door is closed However the instrument should never be immersed in any fluid The 45MG case is designed to withstand normal field use However as with any electronic instrument damage is possible if the instrument is not handled with adequate care Observe the following instructions in particular Never press a key using a hard or sharp object Maintaining and Troubleshooting the 45MG_ 193 DMTA 10022 01EN Rev A September 2012 12 2 When connecting cables to the instrument first align the connector with the mating receptacle on the instrument dual element D79X series transducer center pin protruding downward and then carefully insert the connector straight into the receptacle When disconnecting cables from the instrument first grasp the connector not the cable and then gently p
55. section 5 2 1 on page 53 and section 5 2 4 on page 57 52 Chapter 5 DMTA 10022 01EN Rev A September 2012 5 2 1 Calibrating the Instrument To make accurate measurements you need to perform the following calibrations e Material sound velocity calibration e Zero calibration The calibrations must be performed using a thick and a thin sample of precisely known thicknesses The sample must be made of the same material as the parts to be inspected see section 5 2 2 on page 56 for details on test blocks The following procedure is illustrated using a dual element probe and a five step test block Refer to section 5 2 on page 52 for more details on the calibration process To calibrate the instrument 1 To perform the material sound velocity calibration using an instrument with or without the Waveform software option see Figure 5 5 on page 54 a Place a drop of couplant on the surface of the thick part of the test block b Couple the transducer to the thick part of the test block using moderate to firm pressure see Figure 5 4 on page 53 The waveform optional and the thickness reading appear on the screen c Press CAL VEL d Once the thickness reading is stable press ENTER e Using the arrow keys edit the thickness value to match the known thickness of the thick part of the test block 0 500 in t Figure 5 4 Sound velocity calibration on a five step test block Thick part Basic Operati
56. see section 6 7 3 on page 102 for details Set TEXT EDIT MODE to the appropriate option for entering alphanumeric values The two available options are the virtual keyboard VIRTUAL and the legacy character wheel selection TRADITIONAL see section 3 4 on page 37 for details Set SCR TO SD CARD to ON to enable the 45MG to create a BMP image file on the external MicroSD card for the actual screenshot when you press 2nd F SETUP see section 11 4 2 on page 189 for details Press MEAS to return to the measurement screen Configuring Communications The 45MG features a USB port that can be used to connect the instrument to a computer When connected to a computer the 45MG can send and receive data or be remotely controlled by the computer when the Datalogger option has been activated The remote command document and the FTP file transfer protocol document are available upon request Select the communication parameters you want to use To configure the communication parameters In the measurement screen press SETUP and then select COMM In the COMM screen see Figure 8 3 on page 142 a In COMM PROTOCOL select the remote command set to be used by the instrument for communication e MULTI CHAR Multi character commands that are used for communication with a computer running the GageView interface program e SINGLE CHAR Single character command is normally used when an external program is controlling the instrument b
57. similar to the incremental type although it also allows you to define both starting and ending ID numbers The resulting file is inclusive of the starting and ending points and all incremental points in between see the examples in Table 8 on page 94 Software Options 93 DMTA 10022 01EN Rev A September 2012 Table 8 Resulting ID examples for the SEQUENTIAL file type START ID END ID Resulting IDs ABC123 ABC135 ABC123 ABC124 ABC125 ABC135 XY GY XY IB XY GY XY GZ XY HA XY IB To create a sequential data file 1 Inthe measurement screen press FILE and then select CREATE see section 6 7 2 on page 90 for details on the first parameters 2 At the bottom of the CREATE screen select CONTINUE 3 Inthe second page of the CREATE screen see Figure 6 19 on page 94 a Enter the START ID and END ID values b Select CREATE FILE WENU CREATE START ID fAaBC 001 END ID ABC 123 INCREMENT STEP im CANCEL to select then ENTER Figure 6 19 Selecting the ID range for the sequential file type 94 Chapter 6 DMTA 10022 01EN Rev A September 2012 6 7 2 4 About the Sequential with Custom Point Data File Type The sequential with custom point SEQ CUSTOM PT data file type is defined by a starting and an ending ID number plus a series of custom points The resulting file is inclusive of the start and end points and all points in between In addition multiple thickne
58. the STANDARD alarm sssssssssssssessssssssiessessessssisntessesnententesreseesnes 131 Example of a locked function message in the help bar nssnnsnsssssssssssssess1se 133 The PASSWORD SCLreEeN a a a RO iee 133 Fhe OCK screens a a n ir A a ei AE Ai 134 The MEAS screen seorsa a a a E 138 The SYSTEM S r rivssscissscscss oscscienj aisosetesesrazsssvessvoatas a aaa T as aaga 140 The COMM Screen oaas aa a TA E a a 142 Manually adjusting the gain sssssesssssesesssisesssesiestessessesientessesnesrenressesseses 144 Adjusting the extended blank length ss ssssssssssessesssssssessesssssinsesseesesssesees 146 BeSCANeXAIN ple eni ra a a EE EEEE SERERE 147 Changing B scan parameters ss ssssseesiesissessersisessesssesiesessesneeniesienesnesneenees 148 B sca r elements seon nei na iar E a a a aia rE aTe NE Raai 149 B scan freeze review elements ccccccsccssscessecescecsscecsceseeceseecssesseeeessceeseenes 150 Example of the half size DB grid s ssssssssesssssessississeessessssesrtessessesresresresseses 154 Changing DB grid parameters sssssssssssessessississeesessesiesiesesseentestenteseessesnes 154 Grid transposition example ssssssssssssesessesssstersissessesssetensesstsnseninsinsesnesneenees 155 Example of a linearized DB grid sssssssssssssessesssessesressesssssentensiesessesnereesesses 155 The highlighted DB grid cell in the ID review screen s ssssssesssissesserseeeees 157 List of Figures 221
59. the first detected echo Use the E1 blank to exclude any unwanted peaks occurring between the first and second back wall echoes Unwanted peaks may be trailing edges of a large first echo or shear wave reflections on thick test pieces The E1 blank parameter is only available in the manual Echo to Echo detection mode To adjust the extended and the E1 blank parameters 1 Select the manual Echo to Echo mode Software Options 71 DMTA 10022 01EN Rev A September 2012 a Inthe measurement screen press SETUP and then select MEAS b Inthe MEAS menu set the MEAS OPTION to MANUAL E TO E and then press MEAS 2 Press GAIN WAVE ADJ The wave adjustment parameter appears see Figure 6 5 on page 72 WAVE ADJ parameter BID S15 THK 0 016 EMs THK 0 016 ial E E Li S Li Ni w ANE w z _ i 0 00 2 00 0 00 CEET mem 2 00 0 153 0 373 DE H EtoE Fast GAIN 48dB DE HEtoE Fast GAIN 48dB Poor manual measurement Good manual measurement Figure 6 5 Comparing manual measurements 3 Use the and 7 keys to select either the EXT BLANK or the E1 BLANK parameter 4 Use the gt and 4 keys to adjust the value to exclude unwanted peaks and to detect the desired echoes 6 2 2 Dual Element Transducer Selection in Echo to Echo Modes Although the optional Echo to Echo modes work with all the 45MG dual element transducers Olympus recommends using specific transducers for particular thick
60. the functions you want to lock to LOCKED and the ones you want to unlock to UNLOCKED c Select SET to activate the instrument lock and return to the measurement screen SETUP MENU LOCKS ENTER PASSHORD CAL EL CAL ZERO UNLOCKED GAIN WAYE ADJ XDCR RECALL SETUP HEHU UNLOCKED FILE MENU UNLOCKED SET CANCEL gt to select then ENTER or f Figure 7 10 The LOCKS screen 7 6 Freezing the Measurement or Optional Waveform Pressing FREEZE stops updating the display and optional waveform and keeps the waveform and thickness on the display even if you move or uncouple the transducer The freeze indicator F appears on the lower right side of the display when the freeze function is active The freeze function is convenient for easily setting the gain parameters reviewing a B scan or performing a high temperature measurement without having to keep the transducer coupled to the test piece In order to prevent recording wrong minimum or maximum values you may also want to use the freeze function to pause measurements before uncoupling the transducer from the test piece 134 Chapter 7 DMTA 10022 01EN Rev A September 2012 To freeze the waveform and thickness display 1 Press FREEZE while making a measurement 2 Press FREEZE again to unfreeze the waveform and the thickness display NOTE Pressing MEAS or SAVE when the Datalogger option has been activated also unfreezes the display
61. the measurement type This option is useful when making high temperature thickness measurements in order to help limit transducer contact time or for applications where the transducer is scanned over an area in order to determine the minimum thickness NOTE The 45MG automatically uses the fastest update rate when put into the Minimum or Maximum mode see section 7 2 on page 125 To adjust the measurement update rate In the measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen see Figure 8 1 on page 138 set the MEASURE RATE to the desired value 3 Press MEAS to return to the measurement screen Initial Setup 47 DMTA 10022 01EN Rev A September 2012 4 6 Changing the Thickness Resolution It is possible to change the thickness measurement resolution meaning the number of digits shown to the right of the decimal point The resolution selection affects all displays and data output of values with thickness units This includes measured thickness differential reference value and alarm set points The highest thickness resolution with a dual element transducer is either 0 001 in or 0 01 mm The velocity is always reported with full four digit resolution The resolution can be reduced in certain applications where the extra precision of the last digit is not required or where extremely rough outside or inside surfaces make the last thickness display digit unreliable The Single Element includi
62. transducer tip becomes rough or cracked Although some wear is normal severe wear limits transducer life Take particular care with plastic delay line transducers replace worn delay lines 194 Chapter 12 DMTA 10022 01EN Rev A September 2012 12 4 Using Instrument Resets The 45MG includes reset functions that can be used to quickly restore the gage to its default parameters Resets are useful shortcuts to known configurations The reset functions are as follows MEASUREMENT RESET Changes the measurement parameters to the default factory values listed in Table 14 on page 195 Table 14 Measurement default settings Parameter Measurement mode with differential Default value Fast min max and alarms turned off Material sound velocity 0 2350 in s or 5 969 mm s approximate velocity of the included test blocks Differential reference value Low alarm reference value 0 0 in or 0 0 mm 0 0 in or 0 0 mm High alarm reference value 25 0 in or 635 0 mm Display update rate 4 per second Zoom Off Range Minimum range LOS condition Blank thickness display Resolution 0 001 in or 0 01 mm INTERNAL MEMORY RESET Deletes all stored data on the internal MicroSD memory card and reformats the card Maintaining and Troubleshooting the 45MG 195 DMTA 10022 01EN Rev A September 2012 A CAUTION The internal memory reset permanently deletes all thickness
63. type NOTE When replacing batteries make sure that they are full in order to ensure the accuracy of the estimated remaining battery life shown by the power indicator Powering the 45MG 29 DMTA 10022 01EN Rev A September 2012 30 Chapter 2 DMTA 10022 01EN Rev A September 2012 3 Software User Interface Elements The following sections describe the main elements of the 45MG software screens and menus 3 1 About the Measurement Screen The 45MG has two different main measurement screens The first screen see Figure 3 1 on page 31 displays when the Waveform option is not activated or when the Waveform option feature is turned off OR The second screen see Figure 3 2 on page 32 displays when the Waveform option is purchased and turned on ID bar 10 032 THK R Download indicator with Datalogger option g Battery power indicator Thickness value E n Measurement units Mode and update rate DE STD Fast GAIN dB Gain level Figure 3 1 The measurement screen No waveform enabled Software User Interface Elements 31 DMTA 10022 01EN Rev A September 2012 ID bar yp o32 THK R Download indicator with Datalogger option Battery power ee F Optional waveform Rectification indicator E f display A scan L a ae ek ew Delay Q 00 1 00 Range 0 g A Thickness value n in Measurement units Mode and update rate
64. 0 To set up the USB communication 1 Ensure that the 45MG driver is installed on the computer This driver is installed when you install the GageView interface program Managing Communications and Data Transfer 181 DMTA 10022 01EN Rev A September 2012 NOTE For more information on installing GageView refer to the GageView Interface Program User s Manual P N 910 259 EN U8778347 If you use a communication program other than GageView refer to the program documentation for proper configuration of the program for USB communication Turn the 45MG on Connect one end of a USB cable to the USB client connector on the top of the 45MG and connect the other end to a USB port of the computer see Figure 11 1 on page 182 a 3 J Figure 11 1 Connecting the 45MG to a computer The first time the 45MG is connected to this computer the computer alerts you that a new hardware device has been detected and asks you if you want to install the driver Refer to the GageView Interface Program User s Manual P N 910 259 EN U8778347 for more information The driver loads after which you can start using a program like GageView to communicate with the 45MG 182 Chapter 11 DMTA 10022 01EN Rev A September 2012 TIP If you experience problems establishing communication between the 45MG and a remote device consider using the 45MG communication reset func
65. 012 2 Inthe MEAS screen set the MEAS MODE to the desired echo detection mode STANDARD AUTO E TO E optional or MANUAL E TO E only available with the Waveform option NOTE When switching between standard and Echo to Echo modes it may be necessary to perform a second CAL ZERO because the zero offset is different for each measurement mode The 45MG can store two different zero calibrations one for standard mode and the other for Echo to Echo mode 3 To perform the zero calibration again a Place a drop of couplant on the surface of the thin part of the test block b Couple the transducer to the thin part of the test block and then press CAL ZERO c Once the thickness reading is stable press ENTER d Using the arrow keys edit the thickness value to match the known thickness of the thin part of the test block 6 2 1 Blanking Adjustments in Manual Echo to Echo Detection Mode The 45MG offers two blanking functions to help detect valid echoes in situations where material conditions generate unwanted signals EXT BLANK The extended blank creates a blanked zone that begins at the left edge of the waveform display and in which no signals are detected In situations where the second or third pair of back wall echoes are stronger or cleaner than the first pair use the extended blank to control which pair of echoes are used for measurement E1 BLANK The echo 1 E1 blank runs for a selected interval following
66. 1036 M1036 Steel 0 080 in to 25 000 in 2 00 mm to 635 00 mm DEFM3 20 0 M208 M208 Steel 0 008 in to 0 200 in 0 25 mm to 5 00 mm DEFP2 20 0 M208 M208 Plastic 0 005 in to 0 200 in 0 12 mm to 5 mm DEFM3 10 0 M202 M202 Steel 0 010 in to 0 500 in 0 25 mm to 12 00 mm DEFM2 10 0 M202 M202 Steel 0 030 in to 0 500 in 0 75 mm to 12 00 mm DEFP2 10 0 M202 M202 Plastic 0 025 in to 0 25 in 0 6 mm to 6 mm DEFMS3 15 0 V260 V260 Steel 0 010 in to 0 200 in 0 25 mm to 5 00 mm DEFM2 15 0 V260 V260 Steel 0 030 in to 0 500 in 0 75 mm to 12 50 mm DEFP2 15 0 V260 V260 Plastic 0 010 in to 0 120 in 0 25 mm to 3 mm DEFM2 5 0 M201 M201 Steel 0 050 in to 1 000 in 1 50 mm to 25 40 mm DEFP2 5 0 M201 M201 Plastic 0 025 in to 0 500 in 0 62 mm to 12 5 mm DEFM2 5 0 M206 M206 Steel 0 050 in to 0 750 in 1 25 mm to 19 00 mm Technical Specifications 207 DMTA 10022 01EN Rev A September 2012 Table 25 Typical ranges and default setups for single element transducers continued Setup name Transducer Typical measurement range DEFP2 5 0 M206 M206 Plastic 0 040 in to 0 500 in 1 mm to 12 5 mm DEFM2 2 25 M207 M207 Steel 0 080 in to 0 750 in 2 00 mm to 19 00 mm DEFP2 2 25 M207 M207 Plastic 0 080 in to 0 500 in 2 mm to 12 5 mm DEFM1 0 5 M101 M101 Steel 0 500 in to 25 00 in 12 5 mm to 635 mm DEFM1 1 0 M102 M102 Steel 0 200 in to 25 00 in 5 0 mm to 635 mm
67. 11 DMTA 10022 01EN Rev A September 2012 FCC USA Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual might cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case you will be required to correct the interference at your own expense ICES 001 Canada Compliance This Class A digital apparatus complies with Canadian ICES 001 Cet appareil num rique de la classe A est conforme a la norme NMB 001 du Canada Regulatory Information The 45MG may display a regulatory screen that lists the specific regulation with which it complies To view the REGULATORY screen 1 Inthe measurement screen press SETUP and then select SP MENU 2 Inthe SP MENU see Figure 4 2 on page 43 select REGULATORY to display the REGULATORY screen see Figure i 3 on page 13 12 Important Information Please Read Before Use DMTA 10022 01EN Rev A September 2012 SERUPEHERD REGULATORY Canada This ISM device complies with Canadian ICES 001 Cet appare
68. 2 2 The KEYPAD TEST screen When VIDEO TEST is selected a Inthe VIDEO TEST screen press MEAS to start the video test The display shows vertical color strips Any problems with the display show up as a disruption of the pattern b Press ENTER to terminate the video test When INTERNAL SD CARD TEST or EXTERNAL SD CARD TEST is selected in the INTERNAL SD CARD TEST or EXTERNAL SD CARD TEST screen a Press MEAS to start the test The test result appears under SD Card Test Status The possible results are as follows e PASS Indicates that the card is functioning properly 198 Chapter 12 DMTA 10022 01EN Rev A September 2012 e FAIL Indicates that there is a problem with the memory card When the external card fails reinstall or replace the card and then restart the instrument When the internal card fails contact Olympus for service b Press ENTER to terminate the SD CARD test 7 When DUAL XDCR TEST is selected in the DUAL XDCR TEST screen see Figure 12 3 on page 199 a Press MEAS to start the test that measures the time of flight through each side of a dual element transducer The measured parameter values appear b Interpret the Tx and the Rx values as follows e Similar values indicate a normal dual element transducer e A difference between the values indicates that the delay line wear is not the same for each element e A missing value indicates that a cable is broken or that the element i
69. 2012 WEEE Directive In accordance with European Directive 2002 96 EC on Waste Electrical and Electronic Equipment WEEE this symbol indicates that the product must not be disposed of as unsorted municipal waste but should be collected separately Refer to your local Olympus distributor for return and or collection systems available in your country China RoHS China RoHS is the term used by industry generally to describe legislation implemented by the Ministry of Information Industry MII in the People s Republic of China for the control of pollution by electronic information products EIP The China RoHS mark indicates the product s Environment Friendly Use Period EFUP The EFUP is defined as the number of 1 D years for which listed controlled substances will not leak or chemically deteriorate while in the product The EFUP for the 45MG has been determined to be 15 years Note The Environment Friendly Use Period EFUP is not meant to be interpreted as the period assuring functionality and product performance EMC Directive Compliance This equipment generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference The 45MG has been tested and found to comply with the limits for an industrial device in accordance with the specifications of the EMC directive Important Information Please Read Before Use
70. 5MG WF Provides the added capability of viewing the U8147019 live A scan of the ultrasonic signal Software Options 65 DMTA 10022 01EN Rev A September 2012 Table 3 45MG software options continued Option Part Description number Single Element 45MG SE Enables the 45MG to use single element including High U8147022 transducers With this option the user can Resolution recall default single element transducers and see section 6 3 also create and store custom single element on page 74 transducer setups This feature also increases the thickness resolution to either 0 0001 in or 0 001 mm for single element transducers with a frequency 22 25 MHz High 45MG HP Enables the 45MG to use low frequency single Penetration with U8147023 element transducers as low as 0 5 MHz for Single Element thickness measurements in attenuating and see section 6 6 sound scattering materials on page 86 When you order a software option with your original 45MG purchase the option comes preactivated Software options can also be purchased at a later date The software options can be activated by entering an activation code in the instrument without the need to return the instrument to the factory see section 6 1 on page 66 Contact your local Olympus representative for more information about ordering software options Refer to Table 3 on page 65 for the software option part numbers 6 1 Activ
71. 8880014 English units 0 100 in 0 200 in 0 300 in 0 400 in 0 500 in 5 step 1018 steel 2214M U8880016 Metric units 2 5 mm 5 0 mm 7 5 mm 10 0 mm 12 5 mm 5 step aluminum 2213E U8880010 English units 0 100 in 0 200 in 0 300 in 0 400 in 0 500 in 4 step 1018 steel 2212E U8880008 English units 0 250 in 0 500 in 0 750 in 1 500 in 2 step 303 stainless steel 2218E U8880022 English units 0 050 in 0 150 in 216 Appendix C DMTA 10022 01EN Rev A September 2012 Table 33 Test blocks continued Description Part Number 2 step 303 stainless steel Metric units 1 mm 15 mm 2218M U8880024 2 step 303 stainless steel English units 0 200 in 1 500 in 2219E U8880026 2 step 303 stainless steel Metric units 5 mm 30 mm 2219M U8880028 Accessories and Replacement Parts 217 DMTA 10022 01EN Rev A September 2012 218 Appendix C DMTA 10022 01EN Rev A September 2012 List of Figures Figure i 1 The symbols on the top of the 45MG ccccccesesesseseteseecesesesssnsteeseseeeeessseenens 1 Figure i 2 Labels attached to the back of the instrument 0 0 ccccceseeseeesneeseseeteeeeeeees 2 Figure i 3 The REGULATORY screen oo ceecececcecsscssscessecescecessecsseesecesseceececssscesseesseecsseeaeens 13 Figure 1 1 The 45MG hardware components Front top and side views 0 18 Figure 1 2 The 45MG connections
72. 95 DMTA 10022 01EN Rev A September 2012 c Press 2nd F v to finish entering CUSTOM POINTS values d Select CREATE FILE MENU CREATE START ID ol END ID 10 CUSTOM POINTS TOP BOTTON INCREMENT STEP Ea Cancel to select then ENTER Figure 6 20 Configuring ID range for a sequential with custom points data file type 6 7 2 5 About the 2 D Grid Data File Type A 2 D grid is a sequence of ID numbers arranged to describe a path in two dimensions Each part of the ID number corresponds to a particular matrix dimension A 2 D two dimensional sequence begins with the ID number that refers to the first column and the first row see Figure 6 21 on page 97 The column or row then increments one value at a time until the sequence reaches the last column or row value while the other dimension value stays constant At this point the other dimension increments from its first to last value This continues until the ID number that refers to the last column and the last row is reached You have the option to select whether the columns or the rows will be incremented first 96 Chapter 6 DMTA 10022 01EN Rev A September 2012 5 Figure 6 21 General 2 D grid example EE EE LAST COL 1 A grid structure may associate one dimension of the grid with the physical parts whose wall thickness is to be measured The particular measurement points on ea
73. AN c Enter the desired LOW ALARM and HIGH ALARM values Press MEAS to return to the measurement screen The horizontal red alarm lines appear on the B scan see Figure 7 5 on page 129 Saving B Scans or Thickness Readings Optional Datalogger The 45MG is capable of performing the following tasks while the B scan is in use Save a live thickness reading while the B scan is running Using Advanced Gaging Features 151 DMTA 10022 01EN Rev A September 2012 Save any reviewed thickness reading on a frozen B scan Save all thickness readings for one B scan screen along with the minimum or maximum thickness readings for a held B scan Save an entire B scan history of up to 10000 thickness readings the minimum or maximum thickness readings and the held B scan To save a live thickness reading while the B scan is running Press SAVE To save any reviewed thickness reading on a frozen B scan While the B scan is running press FREEZE to enter the review mode Use the 4 and gt keys to review any thickness on the frozen B scan Press SAVE to save the thickness value for the review marker position to the datalogger To save the minimum or maximum thickness reading for a frozen B scan 1 Set B SSCAN FREEZE MODE to SHOW MINIMUM or SHOW MAXIMUM The gage displays the minimum or maximum thickness reading with the corresponding waveform While the B scan is running press FREEZE to enter the review mode
74. About the Interface Blank The interface blank represents a blank or dead zone up to 20 us long that follows the leading edge of the interface echo The interface blank is only available in mode 2 and mode 3 174 Chapter 10 DMTA 10022 01EN Rev A September 2012 In mode 2 the interface blank prevents the detection of trailing lobes or cycles of the interface echo which might otherwise be detected as back wall echoes which results in a hang up condition see Figure 10 14 on page 175 The interface blank should be set as short as possible to avoid unnecessarily restricting minimum measurable thicknesses The initial gain parameter often helps reduce the interface echo amplitude and permits the use of a shorter interface blank Check the interface blank settings with the transducer both coupled to and uncoupled from the test material BID B04 THK 0 294 amp JID BO4 THK 0 294 F Af m 1 05 GOU mmm 1 25 1 05 pari mmm 1 25 0 007 0 097 SE M2 20Hz GAIN dB SE M2 20Hz GAIN Gage reading trailing edge of the Interface blank set correctly interface echo ny Figure 10 14 Examples of the interface blank in mode 2 In mode 3 the interface blank selects which pair of back wall echoes are measured see Figure 10 15 on page 176 In most conditions the interface blank would be set just short of the first back wall echo However as a practical matter the first back wall echo from thin ma
75. Al Advanced Test Equipment Rentals ished 198 gt WWW atecorp com 800 404 ATEC 2832 OLYMPUS 45MG Ultrasonic Thickness Gage User s Manual DMTA 10022 01EN Revision A September 2012 Olympus NDT 48 Woerd Avenue Waltham MA 02453 USA 2012 Olympus NDT Inc All rights reserved No part of this publication may be reproduced translated or distributed without the express written permission of Olympus NDT Inc This document was prepared with particular attention to usage to ensure the accuracy of the information contained therein and corresponds to the version of the product manufactured prior to the date appearing on the title page There could however be some differences between the manual and the product if the product was modified thereafter The information contained in this document is subject to change without notice Part number DMTA 10022 01EN Revision A September 2012 Printed in the United States of America All brands are trademarks or registered trademarks of their respective owners and third party entities DMTA 10022 01EN Rev A September 2012 Table of Contents List of Abbreviations essseeseesessossesossossesoesessessossesossossesocsoreosoesorsossesoesesseseess ix Labels and Syim Dols sciisi cusssssscscscas vasseindensstadoondiedeisenassanestesvsssssnsvsndseccvalpsosseosesss 1 Important Information Please Read Before Use ssesesssssseessesseeee 5 Intended U
76. B SE H2 20Hz GAIN dB Normal display Zoomed display Figure 6 13 Comparing the normal and zoomed display in mode 2 Software Options 83 DMTA 10022 01EN Rev A September 2012 The zoom with single element transducers in mode 3 adjusts the waveform range and delay so that the interface echo and the second measured back wall echo appear on the waveform display see Figure 6 14 on page 84 emoa TK 0 298 DJADI TH 0 298 BID A0I TH 0 298 F 0 00 2 00 1 02 2 E 0 292 0 292 SE M3 20Hz GAIN dB SE H3 20Hz GAIN Normal display Zoomed display Figure 6 14 Comparing the normal and zoomed display in mode 3 To deactivate the zoom function 1 Inthe measurement screen press SETUP and then select DISPLAY 2 Inthe DISPLAY screen set the ZOOM OPTION to OFF 6 5 Single Element and High Resolution Option The optional Single Element High Resolution software allows the 45MG to use single element direct contact delay line and immersion transducers This enables the 45MG to be used for precision thickness gaging applications When this option is activated the user can select from a set of default single element transducer setups or create and store recall customers single element setups The 45MG is not able to automatically recognize which single element transducer is connected As such the appropriate default or customer setup must be recalled for the single element transducer being used 84 Chapter
77. DE STD Fast GAIN dB Gain level Figure 3 2 The measurement screen Waveform option enabled The measurement screen is the main screen of the 45MG software From anywhere in the 45MG software simply press MEAS to return to the measurement screen The power indicator is always present on the left side of the 45MG screen see section 2 1 on page 25 for details The optional waveform trace called the A scan allows a skilled operator to verify that the signal used to make a thickness measurement is the correct back wall echo and not noise material anomaly or the second multiple echo The A scan also enables you to observe indications that may be too small to be measured by the instrument The ID bar available with the Datalogger option located at the top of the measurement screen contains the ID for the actual thickness measurement location and the previously stored value see Figure 3 3 on page 32 The download indicator R appears when the previously stored thickness measurement comes from a file rather than a newly acquired value Previously stored thickness value ID number with Datalogger option 7D 401 JTHK 0 300 8 DN flag indicating a previous thickness Figure 3 3 The ID bar 32 Chapter 3 DMTA 10022 01EN Rev A September 2012 The indicator E of the optional external MicroSD memory card appears at the top left side of the screen when a MicroSD memory card is inserted in its slot which is locat
78. DJADI TH 0 298 ID A01 0 298 1 00 0 00 1 00 Half RF Figure 6 9 Examples of the rectification modes The available rectification modes are FULL This mode shows the negative portion of the echo folded around the baseline so that both positive and negative waveform lobes are displayed This mode provides the best overall representation of position and magnitude for most thickness measurement applications FULL is the default mode for dual element transducers HALF NEG indicator This mode shows negative waveform lobes as positive and does not show the positive lobes HALF POS indicator This mode shows positive waveform lobes and does not show the negative waveform lobes RF This mode shows negative and positive lobes on either side of the baseline RF is the default mode for single element transducers Software Options 79 DMTA 10022 01EN Rev A September 2012 6 4 2 About the Waveform Trace The 45MG can display the waveform trace as a line OUTLINE or as a FILLED area see Figure 6 10 on page 80 In the measurement screen press SETUP and then select DISPLAY to access the WAVEFORM TRACE parameter NOTE A filled in waveform trace is only possible when the waveform rectification is set to FULL HALF or HALE IDADI 0 298 ID A01 THK 0 298 F f i F U U E Ma E A ka Tpasananth hy 0 00 1 00 0 00 0 294 o 294 DE STD Fast GAIN dB DE STD Fast GAIN Outline waveform Filled in wavefor
79. E _ eee D aoe wee we eee oe m foe eee Figure 9 9 Grid transposition example NOTE The ID number increments in the order assigned when the file was initially set up independent of the TRANSPOSE GRID value 5 Set LINEARIZE GRID to ON to display the grid IDs in the linear form see Figure 9 10 on page 155 ID THICKNESS AOL A02 EE A04 Figure 9 10 Example of a linearized DB grid 6 Set DATA CELL FLAG to one of the available options in order to display a single data flag with each data cell in the DB grid The data cell flag is a letter that appears in a small box to the right of the thickness value in the data cell see Figure 9 7 on page 154 The available options are NONE No data cell flag appears MIN MAX m indicates a minimum thickness M indicates a maximum thickness Using Advanced Gaging Features 155 DMTA 10022 01EN Rev A September 2012 ALARM L indicates any kind of low alarm condition including a standard low alarm condition H indicates any high alarm condition 7 Set GRID COLOR OPTION to ON to activate usage of low mid and high range colors for the grid cell background 8 Set LO RANGE COLOR to the desired cell background color RED YELLOW or GREEN when the cell thickness value is smaller than the LO RANGE VALUE 9 Set MID RANGE COLOR to the desired cell background color RED YELLOW
80. Figure 10 4 on page 165 164 Chapter 10 DMTA 10022 01EN Rev A September 2012 Interface echo HID B04 THK 0 294 a Ummm F TEER First back wall echo B F Main bang a 0 00 2 00 Detection bar Mode indicator E 0 2 g 2 in M2 4Hz GAIN dB Figure 10 4 Mode 2 detection example Mode 3 Uses a delay line or an immersion transducer to measure the time of flight between one back wall echo and the next back wall echo see Figure 10 5 on page 165 First back wall echo BID B04 THK 0 294 Second back wall Interface echo _ I echo _ Sama 1 08 C o bar Mode indicator taal 0 1 g4 in p H3 4Hz GAIN dB Figure 10 5 Mode 3 detection example About Custom Setups for Single Element Transducers 165 DMTA 10022 01EN Rev A September 2012 NOTE Refer to section 10 8 on page 172 for information on the modes in relation with the echo window 10 4 About the First Peak With single element transducers the 45MG normally detects peaks on either the highest positive or highest negative peak of the RF waveform This feature works well for most precision thickness applications This normal peak detection can be unstable for applications in which the back wall echo is irregular and contains several negative or positive peaks that are close in amplitude In such cases the thickness reading can fluctuate as the gage switches detection from one peak to another This c
81. IADI THK 0 298 No thickness value found Loss of signal LOS indicator or SAT in the DE STD Fast LOSIGAIN dg Case Of saturation Figure 3 6 The loss of signal LOS indicator In the rare case that the returning signal from the transducer is beyond the upper receiver voltage limit the LOS indicator will be replaced by the SAT flag for indication of saturation This situation can normally be corrected by lowering the pulser voltage 34 Chapter 3 DMTA 10022 01EN Rev A September 2012 3 2 About Menus and Submenus The 45MG displays menus and submenus when you press certain front panel keys The menu appears at the top left corner of the screen see Figure 3 7 on page 35 If applicable a submenu conveniently showing the parameters available for the highlighted menu command also appears Menu Submenu for the MEAS OPTION highlighted menu command SYSTEH UNIT TYPE DISPLAY RESOLUTION ALARH MIN MAX DIFF HOLD BLANK COHH MEASURE RATE B SCAH gt ID O ERMRITE PROT DB GRID gt PASSHORD LOCKS RESETS SP HEHU gt STU Fas Figure 3 7 Menu and submenu example To select a menu or a Submenu command Press SETUP or FILE with the Datalogger option to display a menu 2 Use the and 7 keys to highlight the desired menu command 3 If applicable and needed use the gt key to highlight the submenu and then use the and keys to highlight the
82. NDT 45MG Transfer folder on your external MicroSD memory card contains the file you want to import into the 45MG s internal memory Insert the MicroSD memory card into its designated slot under the battery door of the 45MG see Figure 1 4 on page 20 If you inserted the MicroSD memory card while the 45MG was turned on turn the 45MG off and then back on so that it recognizes the presence of the memory card In the measurement screen press FILE and then select IMPORT In the IMPORT screen see Figure 11 3 on page 185 a Select the file to be imported into the list of available files The listed files are those found in the OlympusNDT 45MG Transfer folder on the external MicroSD memory card b Select IMPORT c When a file with the same name already exists in the 45MG the Overwrite existing file message appears When you still want to import the file select YES A beep confirms the end of the file transfer and the instrument returns to the measurement screen FILE MEHU IMPORT IMPORT CANCEL fT to select then ENTER Figure 11 3 Example of the IMPORT screen Managing Communications and Data Transfer 185 DMTA 10022 01EN Rev A September 2012 11 3 3 Receiving Files from a Computer The same type of datalogger information that can be sent to a computer can also be received or downloaded from a computer to the instrument There are two benefits At the next survey date months or years
83. NICATION RESET MASTER RESET z 11 WARHING ALL Datalogger IDs will be ERASED RESET CANCEL t to select then ENTER Figure 6 33 Warning message when resetting measurements 6 7 4 8 Viewing the Memory Status To view the memory status 1 Press FILE select MEMORY and then press ENTER to display the MEMORY status screen see Figure 6 34 on page 111 This screen indicates the number of files stored in the internal memory along with its current capacity FILES fl FREE IDS 474561 FREE HF IDS 19773 ID CAPACITY 475113 HF ID CAPACITY 20000 ENTER to show menu MEAS to exit ENTER HEAS Figure 6 34 The MEMORY status screen Software Options 111 DMTA 10022 01EN Rev A September 2012 6 7 5 Setting the ID Overwrite Protection The ID overwrite protection can be activated to warn you every time you attempt to overwrite an existing measurement in a file This function can be enabled at any time When the ID overwrite protection is enabled a message appears see Figure 6 35 on page 112 on the help text bar when you perform a save to inform you that the existing thickness readings waveforms will be overwritten Select YES to replace the previous reading with the new one or NO to leave the original value BTo B04 THK 0 298 a vans LAA 0 00 2 00 0 297 Overwrite ID it NO Figure 6 35 The ID overwrite protection message ooo Lista To set the ID overwrite prot
84. S to return to the measurement screen 6 7 4 Performing File Operations Pressing FILE opens a menu from which numerous file operations can be performed see Figure 6 26 on page 103 The following sections describe how to perform the operations Datalogger files are stored in the internal MicroSD memory card and these files can be imported exported from to an external MicroSD memory card CURRENT 20GRID RE IEH CREATE COPY EDIT DELETE SEND IMPORT EXPORT MEMORY REPORT 0 50 i rosin aa Figure 6 26 The FILE menu Software Options 103 DMTA 10022 01EN Rev A September 2012 6 7 4 1 Opening a File You can open an existing file to make it the active file in which new measurements are saved To open a file 1 Press FILE and then select OPEN 2 Inthe OPEN screen see Figure 6 27 on page 104 a In SORT BY select the order in which the files appearing on screen are sorted by NAME or by DATE CREATED b In the list of files select the file you want to open The descriptive header for the highlighted file name appears on the lower section of the display c Select OPEN to return to the measurement screen with the selected file set as the active file and the ID number set to the first ID number in the file FILE MENU SORT BY NAME MODE THICKNESS CREATED 04 05 12 ME cance to select then ENTER Figure 6 27 Opening a file 6 7 4 2 Reviewing a File The
85. Select the Connect at Startup check box to ensure that GageView automatically attempts to connect to the 45MG upon start up 3 Click OK Managing Communications and Data Transfer 187 DMTA 10022 01EN Rev A September 2012 E Device Configuration Device List Thickness Gages MG2DL 35DL 35DLHP 36DL PLUS 37DL PLUS 25DL PLUS 25HP PLUS 25MM PLUS 25Mx PLUS 8500 38DL PLUS Connect at Startup 38DL PLUS RS232 45MG 25DL 25DLHP 25DLRR 26XTDL Current Configured Devices 45MG USB Add gt lt Remove Figure 11 4 The Device Configuration dialog box 5 In GageView perform the following tasks a Onthe menu select Device gt Tools b Inthe Device Tools dialog box see Figure 11 5 on page 189 select Screen Capture and then click Receive The screen image appears once the data transfer is complete c Click Copy to copy the screen capture to the Windows clipboard OR Click Save to save the image as a BMP file using the folder and file name of your choice 188 Chapter 11 DMTA 10022 01EN Rev A September 2012 amp Device Tools E 45MG Scteen Capture Update Transducer Table Upgrade Device Software JDE sTo Fast T GAIN dB Figure 11 5 The Device Tools dialog box with a screen capture 11 4 2 Sending a Screen Capture to the External MicroSD Card The 45MG has the capability to copy the contents of the current screen to the
86. TECT in modes 2 and 3 only see section 10 8 1 on page 173 for details e ECHO 1 DETECT see section 10 8 1 on page 173 for details e ECHO WINDOW see section 10 8 1 on page 173 for details e MB BLANK see section 10 7 on page 170 for details e TDG SLOPE see section 10 6 3 on page 170 for details e INIT GAIN see section 10 6 2 on page 169 for details e MAX GAIN see section 10 6 1 on page 169 for details e PULSER POWER see section 10 5 on page 167 for details e PROBE TYPE e MEAS TYPE see step 5 c in section 10 1 on page 160 for details Use the 4 or gt keys to select the value for the selected parameter Repeat steps 3 and 4 to adjust other parameters Press GAIN WAVE ADJ again to hide the waveform adjustment parameter About Custom Setups for Single Element Transducers 163 DMTA 10022 01EN Rev A September 2012 10 3 About the Detection Modes There are three detection modes Mode 1 Mode 2 and Mode 3 Mode 1 Uses a direct contact transducer to measure the time of flight between the main bang and the first back wall echo see Figure 10 3 on page 164 10 001 THK 8 First back wall echo Le F Main bang a 0 00 0 50 Detection marker Mode indicator S 0 288 in E H1 4Hz GAIN dB Figure 10 3 Mode 1 detection example Mode 2 Measures the time of flight between the interface or delay line echo and first back wall echo using a delay line or an immersion transducer see
87. Using the Virtual Keyboard ss sssssssseesessesses 37 3 4 2 Editing Text Parameters Using the Traditional Method cceeeeee 39 A aS Lat 1 S Ota i o sieswes basnaasstzeaasosbantanatase cassie dhdassah vasa taaaseis oreatenisaaawes eabasuddanigetas 41 4 1 Setting the User Interface Language and Other System Options ccceeee 41 4 2 Selecting the Measurement Units 0 eee cseseseseeeesessesesesesessssesesesesesesesees 42 AB Setting the Clock oasen sre aa E E i E e A T ER 42 44 Changing Display Settings se ssssssssessessessessrestestesessesstentessesressentennesnesnesneenesrenes 43 441 About Color Schemes euina a e e l T E E 45 4 4 2 About Display Brightness ss ssssesessessesssesessesssssssstsstessessestestesensresnesnenressesnes 46 4 5 Adjusting the Measurement Update Rate ssssssssssesessestersissessesterissessesssesiesesses 46 4 6 Changing the Thickness Resolution c ccccseseseesesescesenesesesesneneneececesesesesneeneseees 48 5 Basie Operation snes iterate e eieaa aE aun 49 5 1 Setting Up the Transducer o cceeccccssesesscssssssesesesesssssesesesssesesesesssssesesesesssesesesess 49 5 2 About the Calibration cccccicectiscsescess cogescdisbgaiaadeeedscccasiessusteletvcscoteh ob astescevetiswns e aii 52 5 2 1 Calibrating the Instrument 0 eee ceceeeeeeeeececeseseeeseneseseeeeesesasanees 53 52 2 sAbOut Test Blocks re i aia E E EE E EOAR 56 5 2 3 About the Transducer Zero Compensation
88. a mode must be selected in order to determine which measured values are stored in the file see step 2 f in section 6 7 2 on page 90 Table 11 on page 102 describes the available file data mode options Only one type of data can be stored in a file Table 11 File data mode stored measurements File data mode Stored measurements When to use THICKNESS Standard thickness When using basic thickness Echo to echo thicknesses measurement functions THRU COAT Coating thickness When using THRU COAT see Material thicknesses section 6 3 on page 74 VELOCITY Velocity When performing velocity measurements MIN MAX Minimum thickness When using the MIN MAX mode Maximum thickness see section 7 2 on page 125 102 Chapter 6 DMTA 10022 01EN Rev A September 2012 Table 11 File data mode stored measurements continued File data mode Stored measurements When to use TIME OF FLT Time of flight When measuring time of flight REDUCTION RT Material thickness Reduction rate When the reduction rate differential mode is activated see REDUCTION RT in section 7 4 on page 128 The default file data mode can be set to the most frequently used To change the default file data mode In the measurement screen press SETUP and then select SYSTEM 2 Inthe SYSTEM screen set DEFAULT FILE MODE to the desired option see Table 11 on page 102 for details 3 Press MEA
89. al display technology time of flight universal serial bus yellow List of Abbreviations ix DMTA 10022 01EN Rev A September 2012 x List of Abbreviations DMTA 10022 01EN Rev A September 2012 upan l ei Calibration Dual element transducer only j ip l SERIAL CM YDA a Instruction label Serial number labels see Table 1 on page 3 two locations Figure i 2 Labels attached to the back of the instrument 2 Labels and Symbols DMTA 10022 01EN Rev A September 2012 Table 1 Content of the rating plate label Serial number label SERIAL yynnnnnmm Where yy last two digits of the production year nnnnn five digit non duplicated incrementing number representing the n production unit of this product mm production month en ee ie OLYMPUS 45MG Do Zero Calibration Dual element transducer only Perform off test block Must be done after power up and when changing dual element xder Uncouple wipe xder and press 2nd F CAL ZERO Do
90. al waveform 3 Once the transducer is uncoupled press FREEZE again to unfreeze the display and recall the minimum thickness and optional waveform Using Special Functions 127 DMTA 10022 01EN Rev A September 2012 7 4 Using Alarms Any one of the 45MG alarm modes can be activated to help you identify when the actual thickness measurement is above or below editable reference values When an alarm condition occurs the 45MG warns you as follows e The HIGH or LOW alarm indicator flashes with a red background at the bottom right corner of the measurement screen see Figure 7 4 on page 128 e The thickness value appears in red e When the beeper is active see section 4 1 on page 41 the 45MG emits a long beep NOTE The thickness value and alarm indicator only appear in color when the indoor color scheme is active see section 4 4 1 on page 45 to change the color scheme Previous thickness MoBo o K o 0 00 1 00 Thickness reading turns red during an in alarm condition DE STD Fast ALARH GAIN dB High alarm indicator Figure 7 4 Example of a HIGH alarm indicator shown with the Waveform option activated 128 Chapter 7 DMTA 10022 01EN Rev A September 2012 When the Datalogger option has been purchased the datalogger records an alarm condition in the second status box for all stored measurements An A indicates the alarm mode an L indicates a low alarm condition and an H indica
91. als exhibit significant variations in sound velocity from point to point This happens in certain cast metals due to the changes in grain structure that result from varied cooling rates and the anisotropy of sound velocity with respect to grain structure Fiberglass can show localized velocity variations due to changes in the resin fiber ratio Many plastics and rubbers show a rapid change in sound velocity with temperature and as such velocity calibration must be performed at the temperature of the location where the measurements are made Phase reversal or phase distortion The phase or polarity of a returning echo is determined by the relative acoustic impedances density x velocity of the boundary materials The 45MG performs computation based on the customary situation where the test piece is backed by air or a liquid both of which have a lower acoustic impedance than metals ceramics or plastics However in some specialized cases such as measurement of glass or plastic liners over metal or copper cladding over steel this impedance relationship is reversed and the echo appears phase reversed In such cases it is necessary to change the appropriate echo detection polarity in order to maintain accuracy see section 10 8 1 on page 173 A more complex situation can occur in anisotropic or in homogeneous materials such as coarse grain metal castings or certain composites where material conditions result in the existence of multiple sound
92. an happen for example in applications measuring the length of bolts or the thickness of the gel coat over fiberglass see Figure 10 6 on page 166 In such cases help stabilize the echo detection and thickness measurements by selecting the first peak algorithm to detect the first of several peaks of similar amplitudes see step 5 c in section 10 1 on page 160 10 804 THK 0 294 10 804 THK 0 294 TS WAV g NAAA nI 0 04 OR maaa 9 24 0 04 CEG e 0 24 0 112 0 121 SE H1 4Hz GAIN dB SE H1 4Hz GAIN dB Figure 10 6 Detection of the first or the second negative peak 166 Chapter 10 DMTA 10022 01EN Rev A September 2012 10 5 About the Pulser Power The excitation pulse main bang voltage can be set to one of the following values 60 V 110 V 150 V and 200 V Higher voltages may provide greater penetration at the expense of a lower near surface resolution especially in mode 1 Inversely lower voltages may provide better near surface resolution at the expense of a lower penetration For most applications the 110 V value provides the best signal to noise ratio for returning echoes The pulser power indicates the voltage used to excite the transducer and therefore affects the size of the initial pulse see Figure 10 7 on page 167 and the amount of energy transmitted into the material Initial pulse Initial pulse ENDIB04 THK 0 294 a Pee 0 294 o R F 0 00 0 50 0 00 0 50 m in
93. aneian e A E R A E RET 15 1 2 Environmental Ratings ss ssessessessisseesesssestestesresresssnrensissenentensessesnesnennesresnenneeneet 17 1 3 Instrument Hardware Components ccccsesesescssseseescscsesesesescsesesesescseseseseseeces 18 TA Connectors oroe e EE eel cee A aaa see A ERa 19 Table of Contents iii DMTA 10022 01EN Rev A September 2012 1 5 Keypad Functions sisses nitso eritoten iniiai a a ian 20 Dis Powering the 45MG seisis ca ues ereis esiisa asiett cancdiats heanadacseeiue satbiitseneassistad 25 2 1 About the Power Indicator ccccccccccccessessscessecescecsseecssessesesseceseecssseesseeseecsseeenseenes 25 22 Using Battety POWEL sisne tiese st raontan a Tenat SKREE a T RKA AEAT TN E Eaa 26 2 2 1 Battery Operating TiMeksseseririn tieien a R A E E aT 26 2 2 2 Battery Level and Storage ssosreicrniioieiiiis i iiri niii 27 223 Replacing the Batteries sneonen ia ra a EET 27 3 Software User Interface Elements essseseessessoesocssessoesocssessossocssessoesoesse 31 3 1 About the Measurement Screen cccccssccessecessessecessecessecsscecsecsssecsseceseecssseeseceseecss 31 3 2 About Menus and Submenus cccccccssscessecssscescessecesacceeecssseessessseeessceeeecseeeseenee 35 3 3 sAbout Parameter Screens roemen e A T i E N A T 36 34 Selecting the Text Edit Mode cs c cccssseecaisosesteceesosesinedcnsnesessisnstetetesse gvenereteserendeesets 37 3 4 1 Editing Text Parameters
94. ansducers in the MEAS MODE text box select the instrument measures and displays from the following options THICKNESS The thickness of the inspected part VELOCIMETER The sound velocity in the material of the inspected part TIME OF FLIGHT The round trip time of flight TOF of the sound in the inspected part OR In the MEAS screen for dual element transducers in the MEAS OPTION text box select the measurement method to be used by the instrument from the following options STANDARD Measure to the first back wall echo AUTO ECHO TO ECHO optional Measure between the successive back wall echoes MANUAL ECHO TO ECHO optional with the Waveform Measure between the multiple back wall echoes with the manual control In the UNIT TYPE text box select between the INCH English or MILLIMETER metric units Time of flight measurements are always expressed in microseconds In the RESOLUTION text box select between STANDARD LOW or HIGH see section 4 6 on page 48 for details In the MIN MAX text box select either MIN minimum MAX maximum or BOTH to activate a mode see section 7 2 on page 125 for details 138 Chapter 8 DMTA 10022 01EN Rev A September 2012 6 In the HOLD BLANK text box configure the instrument to either continue to show HOLD or not hold BLANK the last measured thickness and waveform while a loss of signal LOS occurs NOTE The MIN MAX and HOLD BLANK functions are mutually exclus
95. as chosen first the tube number second and the elevation third Table 10 Resulting ID example for the BOILER file type CUSTOM A ELEVATIONS START TUBE END TUBE POINTS Resulting IDs 10FT 01 73 L left 10FT 01L 20FT C center 10FT 01C 45FT R right 10FT 01R 100FT 10FT 02L 10FT 73R 20FT 01L 100FT 73R To create a boiler data file 1 Inthe measurement screen press FILE and then select CREATE see section 6 7 2 on page 90 for details on the first parameters 2 At the bottom of the CREATE screen select CONTINUE 3 In the second page of the CREATE screen see Figure 6 25 on page 102 a Enter the START TUBE and END TUBE values b Enter two or more CUSTOM POINTS values c Press 2nd F v to finish entering the CUSTOM POINTS values d Enter two or more ELEVATIONS values e Press 2nd F v to finish entering the ELEVATIONS values f InINC1ST BY select which parameter is to be incremented first POINT TUBE or ELEVATIONS Software Options 101 DMTA 10022 01EN Rev A September 2012 g InINC2ND BY select which parameter is to be incremented second POINT TUBE or ELEVATIONS h Select CREATE FILE MENU CREATE ELE ATIONS 10FT 20FT INC IST BY POINT INC 2ND BY TUBE TANA CANCEL to select then ENTER Figure 6 25 Configuring the ID range for a boiler data file type 6 7 3 About File Data Modes When you create a data file on the 45MG the file dat
96. asurement conditions Table 6 on page 89 describes the additional data stored with each thickness measurement and with each waveform 88 Chapter 6 DMTA 10022 01EN Rev A September 2012 Table 6 Additional information stored with the data For a measurement For a waveform File name File header data Identifier Units in or mm LOS loss of signal Differential mode Differential reference value Alarm mode Alarm status Alarm set points Minimum or maximum mode Minimum or maximum reading Velocity Resolution Transducer setup number and information Coating thickness when THRU COAT is active Zoom status Horizontal axis limits Detection marker position Delay Range Rectification mode It is possible to store approximately 475000 thickness values without waveforms in the internal memory or approximately 20000 thickness values with waveforms You can double the storage capacity by using an optional external MicroSD memory card The maximum capacity of the external MicroSD card that can be used on the 45MG is 2 GB With the datalogger you can easily create a data file see section 6 7 2 on page 90 perform a number of file operations see section 6 7 4 on page 103 and perform data operations see section 6 7 5 on page 112 Software Options 89 DMTA 10022 01EN Rev A September 2012 6 7 2 Creating a Data File The following procedure describes how to create a data
97. ating Software Options Each 45MG has a unique serial number code A provided option key specific to a particular 45MG activates the purchased software options only on that specific 45MG unit A single option key is capable of activating one several or all software options To activate a software option 1 Inthe measurement screen press SETUP and then select SP MENU 2 Inthe SP MENU see Figure 4 2 on page 43 select OPTIONS see Figure 6 1 on page 67 take note of the 16 digit alphanumeric serial number appearing in the E S N field 66 Chapter 6 DMTA 10022 01EN Rev A September 2012 The OPTION list indicates the actual status of the software options where the check mark indicates that the option is activated SETUP_HENU OPTIONS OPTION E to E THRU COAT a SINGLE ELE HIGH RES y Buy license from OLYMPUS NDT to get option key for desired options r Alphanumeric serial number E S H 0130 A7B5 E38A A30B OPTION KEY Option key text box ACTIYATE CANCEL T to select then ENTER Figure 6 1 The OPTIONS screen 3 To purchase one or more software options contact your local Olympus representative and provide the alphanumeric serial number E S N Your Olympus representative will provide you with the corresponding option key 4 Inthe OPTIONS screen see Figure 6 1 on page 67 a Enter the option key in the OPTION KEY text box provided to you from the Olympus representati
98. avoid the risk of electric shock do not perform any work on the instrument unless qualified to do so For any problem or question regarding this instrument contact Olympus or an authorized Olympus representative Important Information Please Read Before Use 9 DMTA 10022 01EN Rev A September 2012 Battery Precautions A CAUTION Before disposing of a battery check your local laws rules and regulations and follow them accordingly When lithium metal batteries are used transportation of the batteries are regulated by the United Nations under the United Nations Recommendations on the Transport of Dangerous Goods It is expected that governments intergovernmental organizations and other international organizations shall conform to the principles laid down in these Regulations thus contributing to worldwide harmonization in this field These international organizations include the International Civil Aviation organization ICAO the International Air Transport Association IATA the International Maritime Organization IMO the US Department of Transportation USDOT and others Please contact the transporter and confirm current regulations before transportation of lithium metal battery Equipment Disposal NOTE Before disposing of this product make sure that you follow the regulations and rules of your local government 10 Important Information Please Read Before Use DMTA 10022 01EN Rev A September
99. azards greater than 1000 volts All safety messages that follow this symbol shall be obeyed to avoid possible harm Safety Signal Words The following safety symbols might appear in the documentation of the instrument A The DANGER signal word indicates an imminently hazardous situation It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in death or serious personal injury Do not proceed beyond a DANGER signal word until the indicated conditions are fully understood and met A The WARNING signal word indicates a potentially hazardous situation It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in death or serious personal injury Do not proceed beyond a WARNING signal word until the indicated conditions are fully understood and met Important Information Please Read Before Use 7 DMTA 10022 01EN Rev A September 2012 A CAUTION The CAUTION signal word indicates a potentially hazardous situation It calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in minor or moderate personal injury material damage particularly to the product destruction of part or all of the product or loss of data Do not proceed beyond a CAUTION signal word until the indicated conditions are fully understood and met Note Signa
100. ber 2012 12 10 Resolving Measurement Problems Table 16 Measurement troubleshooting Symptom Possible explanation No echoes or weak echoes e There is insufficient couplant especially on and no measurement LOS rough or curved surfaces e The gain is set too low e The material is too attenuating or the surfaces are unparalleled or too rough e The gage requires service try the master reset e The echo is too low in amplitude to be detected Try increasing the gain Strong echoes no e The echo may be in a blank area of the measurements waveform and cannot be detected e The echo is outside of the echo window Strong echoes incorrect e Out of calibration perform calibration measurements e Differential mode check DIFF flag e Min or Max mode see section 7 2 on page 125 e The material is too grainy has flaws inclusions or laminations or very high surface noise try manual gain adjustment or extended blank 202 Chapter 12 DMTA 10022 01EN Rev A September 2012 Appendix A Technical Specifications Table 17 General EN15317 Specifications Parameter Value Size Height x Width x Depth without protective boot 6 38 in x 3 59 in x 1 62 in 162 0 mm x 91 1 mm x 41 1 mm Weight 0 95 Ib 430 9 g Power supply types Three AA size batteries Alkaline nonrechargeable NiMH externally rechargeable or lithium nonrechargeable Probe socke
101. bing advanced features of the instrument and their usage including use of special transducers management of custom transducer setups use of software options use of the datalogger and communication with external devices The PDF file for the 45MG Ultrasonic Thickness Gage User s Manual P N DMTA 10022 01EN is included on the documentation CD P N 45MG MAN CD U8147024 that is shipped with the 45MG 1 1 Product Description The 45MG by Olympus is a handheld ultrasonic thickness gage designed for a wide variety of thickness measurement applications With the 45MG you only need access to one side of a part in order to obtain nondestructive measurements of the thickness of corroded pitted scaled granular and other difficult materials The 45MG displays a thickness readout and offers an optional A scan view for waveform verification The microprocessor of the 45MG continuously adjusts the receiver setup so that every measurement is optimized for reliability range sensitivity and accuracy An optional advanced internal datalogger can store up to 475000 thickness measurements and 20000 waveforms Instrument Description 15 DMTA 10022 01EN Rev A September 2012 With the Single Element option the 45MG operates with a full line of single element transducers Operation with dual element transducers is a standard feature Depending on the software options the 45MG is capable of measuring material thicknesses between 0 003
102. call an appropriate setup The 45MG is factory shipped with default conditions for the purchased transducers set up using an approximate sound velocity for the stainless steel test block provided with the instrument The default conditions are selected to facilitate instrument usage for your applications To set up the transducer 1 Plug the transducer into the transducer connector s on the top of the 45MG case see Figure 5 1 on page 50 using only T R 1 for a single element transducer Basic Operation 49 DMTA 10022 01EN Rev A September 2012 Standard dual element transducer connector T R 1 connector for a single element transducer Figure 5 1 Plugging in the transducer 2 Press Gj to start the instrument The measurement screen appears With a standard D79X dual element transducer the Do message appears in the measurement screen see Figure 5 2 on page 50 ADT THK 0 298 O Please wipe couplant off probe then press 2nd F CAL ZERO DE STD Fast GAIN dB Figure 5 2 Initial screen with a standard D79X dual element transducer 3 For dual element transducers perform the transducer zero compensation a Wipe the couplant off the tip of the transducer b Press 2nd F CAL ZERO Do ZERO 50 Chapter 5 DMTA 10022 01EN Rev A September 2012 4 For the Single Element software option and a single element transducer load an appropriate setup a Press 2nd F FREEZE KDCR RECALL
103. can simultaneously display the A scan the DB grid and the thickness reading see Figure 9 7 on page 154 You can configure the grid cells to show a data cell flag and a background color corresponding to the range in which their thickness reading falls Using Advanced Gaging Features 153 DMTA 10022 01EN Rev A September 2012 BJT B04 THK JR H Half size DB grid Ei _ SS Data cell flag only available with MIN 0 194 Datalogger option in DE STD Fast ALARH GAIN dB Figure 9 7 Example of the half size DB grid 9 4 1 Activating and Configuring the DB Grid Activate and configure the DB grid options from the DB GRID screen To activate and configure the DB grid 1 Inthe measurement screen press SETUP and then select DB GRID 2 Inthe DB GRID screen see Figure 9 8 on page 154 perform the following steps SETUP HEHU DB GRID REYERSE GRID TRANSPOSE GRID LINEARIZE GRID DATA CELL FLAG GRID COLOR OPTION OW LO RANGE COLOR fee LO RANGE ALUE 0 000 a v gt to select then ENTER or f Figure 9 8 Changing DB grid parameters 3 Set DB GRID ENABLE to ON to activate the DB grid 154 Chapter 9 DMTA 10022 01EN Rev A September 2012 4 Set TRANSPOSE GRID to ON to interchange the rows and columns in a grid see Figure 9 9 on page 155 TRANSPOSE GRID set to OFF TRANSPOSE GRID set to ON B
104. cciescstecussorensnensiovessusvatercasnsnsvepersusnotetesssvebtonesiectoversy 170 10 7 About the Main Bang Blank 0 cssssssesesesssesesesescsesesesescsssesesescsssnseseeceeees 170 vi Table of Contents DMTA 10022 01EN Rev A September 2012 10 8 About the Echo Window ccccccccscscssscessecsssecsecessecsssccssecesseessceeesessesesaecseeesseeesaeens 172 10 8 1 About the Detection of Echo 1 and Echo 2 wveeccccecccccccesccssceeseceeeeesseeeseees 173 10 8 2 About the Interface Blank cece cceccecsecescecssceeseceseecsseecsseeseecsseecsceeees 174 10 8 3 About the Mode 3 Echo Blank o cccccccccccscessecessecsseceesecsscecsecsseecsseeeseens 176 10 9 Saving Setup Parameters sinri gro h osn En nE Sna RE K Easan 177 10 10 Quickly Recalling a Custom Setup for Single Element Transducers 178 11 Managing Communications and Data Transfer ssssssssesseeees 181 LL D About Gage View svosscsisscissssissseetiessssnstesosvsstensnesesastanotasutstanpnesoscnes E an iaai 181 11 2 Setting Up USB Communication cccceccecesessesesescsseececseesesseececsseeseseeseeeseeees 181 11 3 Exchanging Data with a Remote Device 0 ceccccsessesseesssssssesesessesesesesesssesesees 183 11 3 1 Exporting a File to the Memory Card Datalogger Option Only 183 11 3 2 Importing Survey Files from the External Memory Card eeeee 184 11 3 3 Receiving Files from a Computer o ccccccsessesecesseseseteessesesesesesesesesee
105. ch part are then associated with the other dimension of the grid see the example in Figure 6 22 on page 98 Software Options 97 DMTA 10022 01EN Rev A September 2012 PA eee location C a a b 011 012 013 014 015 016 017 aig m ID qe a a 6 a 021 022 023 024 025 026 027 028 lt LL P N 757 75a Row Column Figure 6 22 One grid for 75 identical parts Alternatively the rows and columns of a grid may refer to a two dimensional map of measurement points on the surface of one part In this case a different grid is created for each part see the examples in Figure 6 23 on page 99 98 Chapter 6 DMTA 10022 01EN Rev A September 2012 Name Elbow Rows 01 through 10 Columns A through E IDs Elbow A0 through Elbow E10 gt Name Tee Rows 1 through 4 Columns 1 through 3 IDs Tee 11 through Tee 34 Figure 6 23 Differently named grid for each part To create a 2 D grid data file 1 Inthe measurement screen press FILE and then select CREATE see section 6 7 2 on page 90 for details on the first parameters At the bottom of the CREATE screen select CONTINUE In the second page of the CREATE screen see Figure 6 24 on page 100 a Enter the START COLUMN END COLUMN START ROW and END ROW values Software Options 99 DMTA 10022 01EN Rev A September 2012 b Select the ID FORMAT to determine how letters are incremented a
106. cheme 45 outline waveform 80 overwrite protection 112 Index 229 DMTA 10022 01EN Rev A September 2012 P painted material 74 parameter screens 36 selecting 36 password setting 133 performing diagnostic tests 198 THRU COAT calibration 75 phase distortion 61 reversal 61 polarity of detection 174 positive detection 173 power indicator 25 preventing false min max readings 127 product description 15 protective rubber boot 18 pulse power 167 Q quick setup recall activating 178 R radix type 41 range 80 deleting 109 selecting value 81 recalling quick setup 179 receiving files from a computer 186 rectification changing setting 44 indicator 32 mode 78 regulatory information 12 renaming a file 107 repair and modification 6 replacing the battery 28 report generating 117 reports 117 resets 195 resetting communication 190 resolution changing 48 review screen 112 reviewing stored data 114 RF rectification 79 RoHS symbol 4 11 S safety installation category 6 instrument class 6 labels and symbols 1 signal words 7 symbols 7 saving B scan 151 data 64 DB grid readings 157 setup parameters 177 secondary key function 21 selecting menu command 35 parameter and value 36 range value 81 text edit mode 37 sending screen capture to GageView 187 screen capture to memory card 189 sequential data file 93 sequential with custom points data file 95 serial number label location 2 seria
107. ct DIFF 2 Inthe DIFF screen see Figure 7 2 on page 125 a Set DIFF ENABLE to ON to activate the differential function b In DIFF MODE select one of the three differential modes e NORMAL Shows the actual thickness along with the difference between the actual thickness measurement and the REF VALUE entered Differential yoma Current thickness Reference value e RATIO Shows the actual thickness along with the percent difference from the REF VALUE entered _ Current thickness Reference value 100 Reference value x19 Differentials Ratio 124 Chapter 7 DMTA 10022 01EN Rev A September 2012 e REDUCTION RT Shows the actual thickness in addition to the percent difference between the actual thickness and the former value The former value is the thickness of the metal prior to the bending process Use this mode for metal bending or any other application in which you need to track the percentage of wall thinning c When DIFF MODE is set to either NORMAL or RATIO enter the reference value in the REF VALUE text box SETUP_MENU DIFF DIFF ENABLE ON o DIFF HODE HORHAL REF YALUE 0 300 IH gt to select then ENTER or Figure 7 2 The DIFF screen When DIFF MODE is set to REDUCTION RT only d In the FORMER THICKNESS text box enter the original thickness value as measured before bending the metal e Inthe LARGE FONT text box select which measurement is to appear at the bottom
108. desired submenu command 4 Press ENTER to select the highlighted menu or submenu command NOTE In the remainder of this document the above procedure is summarized by a simple instruction to select a specific menu or submenu command For example In the menu select MEAS Software User Interface Elements 35 DMTA 10022 01EN Rev A September 2012 3 3 About Parameter Screens The 45MG parameters are logically grouped in parameter screens that can be accessed using front panel keys or menu commands Figure 3 8 on page 36 shows the MEAS parameter screen as an example Menu from which the SETUP MENU HEAS screen is accessed MAT UHIT TYPE RESOLUTION HIH HAX HOLD BLANK MEASURE RATE ID O ERHRITE PROT Title bar Parameters gt to select then ENTER or f e Al Figure 3 8 Parameter screen example The title bar located at the top of the parameter screen indicates the parameter subject When you access a parameter screen from a menu a menu button appears on the left side of the title bar This menu button can be used to easily return to the original menu One or two help text bars appear at the bottom of the screen to indicate the keys required to select a parameter and edit its value To select a parameter and edit its value Use the and 7 keys to highlight the desired parameter 2 For parameters with predefined values use the gt and 4 keys to select the desired value 3 I
109. e 1 oi cece esesec essences csesesesesesceeenseeeeeeeees 172 Echo window setting for mode 2 and mode 3 woe sese cesses eseees 173 Negative and positive echo detection examples 0 0 eects 173 Examples of the interface blank in mode 2 wo eessseseseseeeeseseees 175 Examples of the interface blank in mode 3 ww seeessese ses eeneeeseees 176 Examples of M3 Blank adjustment cccccccesesesesseteseseeeeteseeeeceesesesnenenenenes 176 SAVING CUSTOM Setup soiin onn E Re EE E A R REA 178 Connecting the 45MG to a COmMputer ccesescssetesceceesesesteteeseeceeeseseaneenenens 182 The EXPORT Ser aen a aa a a E 184 Example of the IMPORT screen s ssssssssessesssssisissesseesiesiestesressententisnesnesneestes 185 The Device Configuration dialog DOX ss ssssssssessesssssisseesssssesisseesenssesieseeseess 188 The Device Tools dialog box with a screen capture sse ssssssssssssstessserseese 189 Selecting COMMUNICATION RESET s sssssssssessessssseseesrssresessesssnreressessesse 191 Activating a reset fUNCHOL cites namna EE a aE 197 The KEYPAD TEST Screen oan a a A E AO 198 The DUAL XDCR TEST screen cccccccccssecessecssceescesseecsscesecesseeecseceseecsseeeaeens 199 Example of the SW DIAG screen sssssssssssssessssssesiseseesiestssteseesnestennesnesnesneeness 200 Example of the STATUS Screen ccccscessecssssssesesesesesesesescsesesesesescseseseseecseens 201 222 List of Figures DMTA 10022 01EN Rev A September 2012 Lis
110. e 4 4 on page 44 select the desired parameter and value for the following parameters e WAVEFORM ENABLE allows you to activate or deactivate the waveform display see section 6 4 on page 76 for details e ZOOM OPTION allows you to activate or deactivate the zoom function see section 6 4 3 3 on page 82 for details e RECTIFICATION allows you to select one of the rectification modes see section 6 4 1 on page 78 for details e WAVEFORM TRACE is used to select one of the trace types see section 6 4 2 on page 80 for details e COLOR SCHEME is used to select either the INDOOR or OUTDOOR optimized visibility see section 4 4 1 on page 45 for details e DISPLAY BRIGHTNESS is used to select one of the predefined brightness levels see section 4 4 2 on page 46 for details e ID REVIEW LINE is used to activate or deactivate the feature SETUP_HENU DISPLAY HAYEFORH ENABLE ZOOM OPTION RECTIFICATION HAYEFORM TRACE OUTLINE COLOR SCHEME OUTDOOR DISPLAY BRIGHTNESS ID REYIEH LINE gt to select then ENTER or f Figure 4 4 The DISPLAY screen 44 Chapter 4 DMTA 10022 01EN Rev A September 2012 3 Press MEAS to return to the measurement screen 4 4 1 About Color Schemes The 45MG offers two standard color schemes designed to provide the best display visibility in indoor or outdoor lighting conditions see Figure 4 5 on page 45 To set the color scheme In the measurement screen press SETUP and
111. e Diagnostic Tests The 45MG includes a function that can be used to perform several diagnostic self tests The tests can help to localize a suspected hardware problem or to verify correct hardware operation Some tests are designed for Olympus internal testing procedures during the manufacturing process The available tests are as follows Keypad test Video test Internal MicroSD card test Pass or Fail External MicroSD card test Pass or Fail Dual element transducer test ESS test Electronic Stress Screening for Olympus internal use only B scan test for Olympus internal use only Battery test for Olympus internal use only One wire test for Olympus internal use only Maintaining and Troubleshooting the 45MG 197 DMTA 10022 01EN Rev A September 2012 To perform a diagnostic test Pe ee Ir In the measurement screen press SETUP and then press SP MENU In the SP MENU see Figure 4 2 on page 43 select TESTS In the TESTS screen select the desired test and then press ENTER When KEYPAD TEST is selected in the KEYPAD TEST screen see Figure 12 2 on page 198 perform the following steps a Test any key by pressing it on the keypad When that specific key is working correctly the instrument displays the name of the key in the Last Key pressed box b Press ENTER to terminate the keypad test Press key you want to test or press ENTER to exit Last key pressed SLE DOKN Figure 1
112. ect DEFAULT HP SINGLE ELEMENT In the DEFAULT HP SINGLE ELEMENT screen highlight the default transducer setup for the M2008 DEFP1 0 5 M2008 or any custom setup that uses the M2008 transducer Press MEAS to return to the measurement screen with the recalled transducer setup Wipe the couplant off the transducer tip Press 2nd F CAL ZERO Do ZERO Perform the material sound velocity and zero calibration see section 5 2 1 on page 53 Datalogger Option This section describes how to use the 45MG internal datalogger to organize your data 86 Chapter 6 DMTA 10022 01EN Rev A September 2012 The following topics are covered in this section e About the Datalogger see section 6 7 1 on page 87 e Creating a Data File see section 6 7 2 on page 90 e Performing File Operations see section 6 7 4 on page 103 e Setting the ID Overwrite Protection see section 6 7 5 on page 112 e About the ID Review Screen see section 6 7 6 on page 112 e Generating Reports see section 6 7 7 on page 117 6 7 1 About the Datalogger The 45MG datalogger is a file based system in which one file is opened at a time The active file stores a measurement at a thickness measurement location ID Each time you press SAVE the displayed value is saved to the active file at the current ID The ID is automatically incremented for the next measurement When you press FILE the name of the active file appears in the ID bar above the menu
113. ection 1 Inthe measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen set ID OVERWRITE PROT to ON or OFF 3 Press MEAS to return to the measurement screen 6 7 6 About the ID Review Screen To review the data stored in the active file use the ID review screen To toggle the state of the ID review screen press 2nd F FILE ID The ID review screen shows the waveform and the data for the active ID 112 Chapter 6 DMTA 10022 01EN Rev A September 2012 Figure 6 36 on page 113 shows an example of the ID review screen and describes its contents The area under the waveform is reserved for status flags describing the displayed stored thickness values The flags are the same single letter abbreviations for status words transmitted by the gage using the send commands see section 11 on page 181 Active ID m MIN MAX Dual element transducer DE STD Standard DE AEtoE Automatic Echo to Echo DE MEtoE Manual Echo to Echo D X XXXIN Normal Single element transducer SE M1 Mode 1 SE M2 Mode 2 SE M3 Mode 3 0 20 THK 0 289IN w i A L ore L ws Ni m Minimum value od M Maximum value 0 00 ID REVIEW D 0 010IN 0 290 M ae m DE STD T GAIN dB Gain when using a t 2nd FE to select or IDH to edit ID dual element t 2ndF t IDH transducer LOS Loss of signal indicator Differential mode D XX X Percentage Alarm LOW Low alar
114. ection of transducer movement A scan direction arrow appears below the left corner of the B scan display to indicate the transducer scan direction see Figure 9 5 on page 149 The data starts appearing on screen in the opposite direction LEFT TO RIGHT The transducer scans the part from left to right and the data appears on the right of the screen scrolling right to left RIGHT TO LEFT The transducer scans the part from right to left and the data appears on the left of the screen scrolling left to right 148 Chapter 9 DMTA 10022 01EN Rev A September 2012 Loss of signal LOS indicator lt lt j Data scrolls from right to left x au Scan direction jm 0 50 left to right Min Max marker L B scan range Figure 9 5 B scan elements LOS MODE Determines how the B scan behaves when a loss of signal LOS occurs STOP ON LOS The B scan stops scrolling when an LOS occurs When the instrument regains the measurements a thin blank vertical line is inserted into the B scan to indicate that an LOS has occurred see Figure 9 5 on page 149 CONTINUE ON LOS The B scan continues scrolling when an LOS occurs FREEZE MODE Determines which thickness readings are displayed when FREEZE is pressed while a B scan is active SHOW MINIMUM Displays the thickness reading for the minimum reading collected during the scan SHOW MAXIMUM Displays the thickness reading for the maximum reading collected durin
115. ed see section 6 7 5 on page 112 e When the ID increment reaches the end of a sequence and cannot be updated Last ID appears on the help text bar a long beep sound is emitted when the beeper is active and the ID on the display remains unchanged Refer to section 6 7 on page 86 for more information on the datalogger To save data at the current ID in the active file While the desired thickness value and waveform are displayed press SAVE to save the measured thickness value OR To save the measured thickness value and the waveform set the SAVE KEY DATA to THICKNESS WF in the SYSTEM menu see Figure 4 1 on page 42 64 Chapter 5 DMTA 10022 01EN Rev A September 2012 6 Software Options The available software options can be used to increase the capability of the already versatile 45MG see Table 3 on page 65 Table 3 45MG software options Option Part Description number Echo to Echo amp 45MG EETC Enables the 45MG to make measurements in THRU COAT U8147021 Echo to Echo and THRU COAT modes These features are used to measure the remaining metal thickness when the material is painted coated Note Manual Echo to Echo is only available when the Waveform option is also purchased Datalogger 45MG DL Adds a bidirectional alphanumeric file based Capability U8147020 datalogger This option also includes a USB communication cable and the GageView interface program Waveform 4
116. ed in the battery compartment see Figure 1 4 on page 20 The 45MG will recognize an external MicroSD memory card with a maximum capacity of 2 GB upon instrument start up Depending on the context and on the available functions and options various indicators and numeric values appear around the waveform display and around the main measurement value see Figure 3 4 on page 33 and Figure 3 5 on page 34 A help text bar will appear upon certain key presses in order to indicate the keys that can be used to navigate and make selections in the menu structure IDJA01 THK 0 298 Oo A 0 Mode indicator min max i A in Freeze indicator and value HIN 0 190 l Alarm level indicator z F DE STD Fast ALARM HIGH GAIN HIGH Gain level Figure 3 4 Other elements No Waveform option enabled Software User Interface Elements 33 DMTA 10022 01EN Rev A September 2012 ID A01 THK 0 298 Rectification indicator remt W ihn Echo detection re A h wll tw nity i WAVE ADJ p a Delay value 0 22 mo I 130 00 4 0 72 Range value MIN 0 191 Zoom indicator Mode indicator min max 0 2 3 in FF Freeze indicator and value E STD Fast ALARM HIGH in 55dB Alarm indicator L Gain Figure 3 5 Other elements Waveform option enabled The loss of signal LOS appears and the thickness value is cleared when the 45MG no longer detects ultrasonic echoes see Figure 3 6 on page 34 EJID
117. ee Figure 1 3 on page 19 Transmit Receive transducer connector 2 USB communication Transmit Receive connector fs transducer connector 1 Figure 1 3 The top end connectors Instrument Description 19 DMTA 10022 01EN Rev A September 2012 The external MicroSD memory card slot is located behind the battery door see Figure 1 4 on page 20 MicroSD memory card slot Battery door Battery compartment Figure 1 4 The MicroSD connector behind the battery door 1 5 Keypad Functions The 45MG comes either with the English or the international keypad see Figure 1 5 on page 21 The functions are the same for both keypads On the international keypad the text labels on many keys are replaced by pictograms In this document keypad keys are referred to using the English label in bold and within brackets ex MEAS 20 Chapter 1 DMTA 10022 01EN Rev A September 2012 REF Value REF Value XDGR RECALL XDCR RECALL 2 Do ZERO WAVE ADJ VEL 45MG English keypad International keypad Figure 1 5 The 45MG keypads Each key is labelled according to its primary function The area immediately above certain keys contains a secondary key function that can be activated by first pressing 2nd F Throughout this document references to a secondary function are written as follows 2nd F Primary Secondary For example the instruction to activate the REF
118. eft side of the screen and it shows the type of power source used The 45MG can be powered by three AA size batteries by a computer through its USB connector or by a commercially available 5 volt USB power supply When using batteries the vertical green bar in the power indicator indicates the remaining battery level see Figure 2 1 on page 25 Each graduation mark represents 20 of the level MicroSD card indicator 1p 032 THK IR Battery power indicator shown at 100 level 0 01 1 01 in GAIN DE STD Fast dB Figure 2 1 The power indicator when using batteries Powering the 45MG 25 DMTA 10022 01EN Rev A September 2012 When using a computer or a 5 volt USB power supply the power indicator is represented by the USB logo or by the AC logo respectively see Figure 2 2 on page 26 T 001 THK E f F L z 0 00 0 50 0 00 0 50 L in a in SE M1 20Hz LOS GAIN dB DE STD Norm lean dB 45MG powered by computer 45MG powered by USB power supply Figure 2 2 The power indicator when using a computer or an AC power supply 2 2 Using Battery Power The 45MG comes with three AA size alkaline batteries The 45MG can also be operated using three AA size nickel metal hydride NiMH rechargeable batteries The 45MG does not recharge NiMH batteries To recharge the batteries you must use a commercially available external battery charger not included 2 2 1 Battery
119. ependent testing and or verification by Important Information Please Read Before Use 13 DMTA 10022 01EN Rev A September 2012 the operator or the supervisor Such independent verification of procedures becomes increasingly important as the criticality of the application increases For this reason Olympus makes no warranty expressed or implied that the techniques examples or procedures described herein are consistent with industry standards nor that they meet the requirements of any particular application Olympus reserves the right to modify any product without incurring the responsibility for modifying previously manufactured products Technical Support Olympus is firmly committed to providing the highest level of customer service and product support If you experience any difficulties when using our product or if it fails to operate as described in the documentation first consult the user s manual and then if you are still in need of assistance contact our After Sales Service To locate the nearest service center visit the Service Centers page at http www olympus ims com 14 Important Information Please Read Before Use DMTA 10022 01EN Rev A September 2012 1 Instrument Description This chapter describes the main features and hardware components of the 45MG instrument IMPORTANT The 45MG Ultrasonic Thickness Gage User s Manual P N DMTA 10022 01EN contains the information descri
120. er in front of which you wish to insert a character b On the virtual keyboard highlight INSERT and then press ENTER c Enter the desired character in the inserted space If you want to cancel the editing operation and return to the original parameter value highlight CANCEL on the virtual keyboard and then press ENTER 38 Chapter 3 DMTA 10022 01EN Rev A September 2012 8 To complete editing of the parameter value highlight DONE on the virtual keyboard and then press ENTER NOTE When editing a multiple line parameter value highlight DONE and press ENTER to move the cursor to the next line You can also press 2nd F Y to accept the text and move the cursor to the next line 3 4 2 Editing Text Parameters Using the Traditional Method When the TEXT EDIT MODE is set to TRADITIONAL select each character from a hidden circular list of standard sorted letters numbers and special characters see Figure 3 10 on page 39 Only uppercase letters are available HIJ pro R D C O B P A 7 I Q Cycling begins at A when the R original character is a letter S T Cycling begins at 0 when the U original character is a digit V 0 v X 1 Y 2 3 A 4 pgg Figure 3 10 The character cycle of the traditional text edit method To edit an alphanumeric parameter value using the traditional method 1 Select an alphanumeric parameter Software User Interface Elements 39 DMTA 10022
121. es 93 6 7 2 4 About the Sequential with Custom Point Data File Type 95 6 7 2 5 About the 2 D Grid Data File Type 0 ecceesesecccsseseeceeeneeeeeeees 96 6 7 2 6 About the Boiler Data File Type ccceecccsesesecseneesesceneseseecees 100 6 7 3 About File Data Modes cccccccccccsscessccessecssecesecessecssceeseecsseeeseceesecsseeeseeeses 102 6 7 4 Performing File Operations 0 0 ceccsesssesesescseesesesescseseseecscssseseseecseee 103 6 7 4 1 Opening a File wis siorse ena E TE EE E A cays 104 6 7 4 2 Reviewing a File vscssscssssssvsssives tvsssonstonetssseeorvassonecnstsnosedotvtssopesonviaeon 104 6 7 4 3 Copying A File siono iia a anara E RAS RERE 105 6 7 4 4 Editing a Pile siesass si awdciee bestia A Ra AR A RAA 106 6 7 4 5 Deleting a File or its Contents s sesssssssessesesssissessesssrrensissesssseesees 108 6 7 4 6 Deleting a Range of IDS nrsrsnninininssnnsisninaionin iiia 109 6 7 4 7 Deleting All Data Files s ccsccsissssssesisiecssscsotensssnssbeened snosbeoastonssvseent ones 110 6 7 4 8 Viewing the Memory Status oo cece cscsceseeececeeneceseeeeen 111 6 7 5 Setting the ID Overwrite Protection s s se ssesssissessestesseseessenrensissessesneesees 112 6 7 6 About the ID Review Screen ccccccccscesssessscessecessecsscecseecssseesecessecssseeseeeses 112 6 7 6 1 Reviewing Stored Data and Changing the Active ID 00 114 Table of Contents v DMTA 10022 01EN Rev A September 2012 6 7 6 2 Editingt
122. external MicroSD card The resulting screenshot is saved as a bitmap bmp file You can then connect the MicroSD card to a computer and open the file in any program capable of viewing bitmap bmp files To send a screen capture to the external MicroSD card 1 Ensure that a MicroSD memory card is inserted in its slot under the battery door of the 45MG see Figure 1 4 on page 20 If you inserted the MicroSD memory card while the 45MG was turned on turn off and restart the 45MG to force it to recognize the presence of the memory card Ensure that the function for saving a screen capture to the MicroSD card is enabled a Inthe measurement screen press SETUP and then select SYSTEM b Set PRINT SCREEN TO SD CARD to ON Select the screen you want to capture Managing Communications and Data Transfer 189 DMTA 10022 01EN Rev A September 2012 S 11 5 Press 2nd F SETUP The screen freezes for about 20 seconds as the file is being sent to the following folder on the external memory card OlympusNDT 45MG Snapshot The screenshots are automatically named BMPn bmp where n starts at 0 and is incremented by one each time a new screenshot is added To transfer the image file a Remove the MicroSD memory card from its slot in the 45MG b Using a MicroSD card reader connect the memory card to a computer c Copy the file from the OlympusNDT 45MG Snapshot folder on the card to the desired folder on the co
123. file in the 45MG NOTE It is also possible to create a 45MG data file from a computer using the GageView interface program Refer to the GageView Interface Program User s Manual P N 910 259 EN U8778347 for details To create a data file 1 Inthe measurement screen press FILE and then select CREATE 2 Inthe CREATE screen see Figure 6 17 on page 91 a b c d e P g h In the FILE NAME parameter enter the desired file name using up to 32 characters In the DESCRIPTION parameter optionally enter a description of the contents of the file In the INSPECTOR ID optionally enter an identification of the inspector In the LOCATION NOTE parameter optionally enter an identification of where the measurements are performed Select the appropriate data FILE TYPE for your application see section 6 7 2 1 on page 91 for details Select the appropriate FILE DATA MODE for your application see section 6 7 3 on page 102 for details Set the DELETE PROTECTION mode to ON or OFF Delete protection locks the file so it cannot be deleted You can unlock the file for deletion using the file edit function Depending on the selected FILE TYPE refer to the following sections for the remaining steps of this procedure e INCREMENTAL see section 6 7 2 2 on page 91 e SEQUENTIAL see section 6 7 2 3 on page 93 e SEQ CUSTOM PT see section 6 7 2 4 on page 95 e 2D GRID see section 6 7 2 5 on page 96 e BOILER see secti
124. fore pressing MEAS the velocity will not be updated to the new value Instead the instrument retains the previous value NOTE When the 45MG detects an error in the calibration procedure it successively displays the following messages in the help text bar before returning to the measurement screen Potential wrong echo detected Invalid calibration results In such case the velocity is not changed The probable cause is that an incorrect thickness value was entered or the incorrect back wall echo was detected Basic Operation 55 DMTA 10022 01EN Rev A September 2012 5 2 2 About Test Blocks The 45MG comes with a cylindrical stainless steel test block with two thicknesses Two precisely known test block thicknesses can be used to perform the material sound velocity and the zero calibrations Precision step test blocks are also often used when more than two known thicknesses are needed see Figure 5 8 on page 56 _ id Figure 5 8 Example of a five step test block When performing the material sound velocity and zero calibrations you must use a test block with the following characteristics 5 2 3 Made from the same material as the part to be tested Has two or more precisely known thicknesses Has one part as thin as the thinnest section of the parts to be tested in order to perform the zero calibration The surface condition should be similar to that of the tested parts Rough surfaces generally
125. fter Z STANDARD A B C Z AA AB AC ZZ EPRI A B C Z AA BB CC ZZ c InINC1ST BY select which parameter increments first ROW or COLUMN d Select CREATE FILE HEHU CREATE START COLUMN A END COLUMN H START ROH for END ROW fio ID FORMAT STANDARD INC IST BY ROH CANCEL to select then ENTER Figure 6 24 Configuring the ID range for a 2 D grid data file type NOTE The 45MG has the capability to add a row or a column and to change the incrementation direction after a grid file is created see section 6 7 4 4 on page 106 for details 6 7 2 6 About the Boiler Data File Type A boiler file is a special file type designed specifically for boiler applications A common method for identifying a thickness measurement location is to use the following three dimensional approaches Elevation The first dimension refers to the physical distance from the bottom of the boiler to the top 100 Chapter 6 DMTA 10022 01EN Rev A September 2012 Tube number The second dimension refers to the number of the specific boiler tube to be inspected Custom points The third dimension refers to the actual thickness reading location at the specified elevation on the specified tube The three dimensions are combined in a single ID number to precisely identify the exact location of each thickness reading Table 10 on page 101 shows an example in which incrementation for the custom points w
126. g the scan SHOW CURRENT Displays the last thickness reading made before pressing FREEZE FREEZE REVIEW When this feature is enabled and a B scan is active pressing FREEZE freezes the B scan image in review mode In this mode a vertical line review marker appears indicating the location of the displayed thickness see Figure 9 6 on Using Advanced Gaging Features 149 DMTA 10022 01EN Rev A September 2012 page 150 The displayed thickness is either the minimum maximum or current thickness depending on which B SCAN FREEZE MODE option is selected Use the 4 and gt keys to move the review marker and read the thickness at the review marker location TIP If the minimum or maximum value moves off the B scan screen press FREEZE to center the B scan and the review marker on the minimum or maximum thickness 1D CO2 THK 0 490 Minimum location _ 0 70 marker eas Poort i 0 0 fin F DE STD Fast GAIN dB Figure 9 6 B scan freeze review elements Review marker MAX THK MODE Determines the vertical scale of the B scan 9 3 1 Using the B Scan The following procedure describes how to activate and use the B scan To use the B scan While in the measurement screen press SETUP and then select B SCAN 2 Inthe B SCAN screen set BSSCAN ENABLE to ON and then configure the other B scan parameter as desired see section 9 3 on page 147 3 Press MEAS to return to the measurement
127. g the E1 blank the instrument detects the next echo with an amplitude of at least 20 of the waveform display height In this mode press GAIN WAVE ADJ and then use the arrow keys to adjust the EXT BLANK the E1 BLANK and the GAIN parameters Software Options 69 DMTA 10022 01EN Rev A September 2012 WAVE ADJ parameter i E1 blank bar F E L i f B h fam Me A Echo to Echo detection a bar 0 00 EU mmr 1 00 Dual element DE manual Echo to Echo 0 298 iin a MEtoE detection mode DECMEtoE Fast ee Figure 6 4 Measuring with the manual Echo to Echo detection mode NOTE In severe corrosion situations where valid multiple echoes are not present you must use either the standard or optional THRU COAT mode in order to be able to measure thicknesses Dual element transducers can be used in all three modes and all measurement display and datalogger functions can be used with the echo to echo modes The internal datalogger recognizes all necessary echo to echo information and saves it in order to upload and download thickness waveform and setup data TIP It is not necessary to switch between echo detection modes when measuring both coated and uncoated areas because it is possible to measure uncoated wall thicknesses using an echo to echo mode To change the echo detection mode 1 Inthe measurement screen press SETUP and then select MEAS 70 Chapter 6 DMTA 10022 01EN Rev A September 2
128. h echoes are shown on the waveform display optional With the default automatic gain the measured echo peak is visible on the display enabling you to readily observe the measured echo position independent of its strength or the gain When you manually adjust the gain the displayed echo height changes proportionally to the actual echo amplitude at the receiver output enabling you to readily observe gain changes To be processed for thickness calculation the peak amplitude of measured echoes must be at or above the threshold To view restore or change the gain value When the optional waveform is not activated Press GAIN WAVE ADJ to change the gain from default gain to HIGH 10 dB 2 Press GAIN WAVE ADJ again to change the gain to LOW 6 dB 3 Press GAIN WAVE ADJ a third time to change the gain back to default gain no gain showing When the optional waveform is activated 1 Press GAIN WAVE ADJ to view the current automatic gain value 144 Chapter 9 DMTA 10022 01EN Rev A September 2012 9 2 The gain value appears near the lower right corner of the display The waveform display changes to the amplitude proportional to the gain mode 2 Press 4 or gt to adjust the gain in 1 dB steps The gain value and the height of the echoes change accordingly e Increase the gain value when the peak amplitude of the echo that should be detected is below 20 of the waveform display height This prevents t
129. he ID ssai iene enia asii tehea 114 6 7 6 3 Erasing Data in the Active File ss sssssssssssssssessissessesrersissessesseesees 116 6 7 7 Generating Reports 2 a5 i5cncienau Shand Roads Oe eee 117 7 Using Special Functions siassstssastansiscisaseessuessturenesnsesaieastusashasdesdeadsieniei says 123 7 1 Activating and Configuring a Differential Mode eect neeeeeeeees 123 7 2 Using the Minimum Maximum or Min Max Thickness Mode e 125 7 3 Preventing False Minimum Maximum Thickness Readings eeeee 127 7 USI TET a T EESE EAS 128 7 0 Locking the INStrumieEnt s 0 35 0spetssereteqssseseotendesdgesnsvogocgestenvendgen Eere N RoE RENS 132 7 6 Freezing the Measurement or Optional Waveform ssssssesssesiesessesssrsieriesessess 134 8 Configuring the Instrument sssessssssesssesssssssosososesesesesesesesesesesesesesesese 137 8 1 Configuring Measurement Parameters ss sssssissesssesisstestistessesssesissesseneereeresses 137 8 2 Configuring System Parameters ss ssessessesseesessisstissesiestessesresnentesrissessentenseseesses 140 8 3 Configuring Communications ss e sessesessessessessesressesstesiestesenstentereestnssesnententestesses 141 9 Using Advanced Gaging Features ssesesesesesesesesesesesesesesesesesesesesesesesese 143 9 1 Adjusting the Gain with Dual Element Transducers cee eeeeeees 143 9 2 Adjusting the Extended Blank with Dual Element Transducers 0 000 145 9 3 s About
130. he displayed screen or waveform to immediately hold until the key is pressed again GAIN WAVE ADJ a Ls Gain Initiates the adjustment of the gain value when using dual element transducers Wave adjustment Toggles the display of a selectable waveform parameter with an editable value ENTER Enter Selects a highlighted item or accepts an entered value Up arrow e Jna screen or a list moves to the previous element e For some parameters a numerical entry increases the value a hd qos Down arrow e Jna screen or a list moves to the next element e For some parameters a numerical entry decreases the value 22 Chapter 1 DMTA 10022 01EN Rev A September 2012 Table 2 Keypad functions continued English International Functions Left arrow e Selects the previous available value for the selected parameter e In text edit mode moves the cursor one character position to the left Right arrow e Selects the next available value for the selected parameter e In text edit mode moves the cursor one character position to the right XDCR RECALL FREEZE 2nd F XDCR RECALL 2nd F Transducer recall Recalls default or custom transducer XDCR setups REF Value 2nd F SAVE REF Value 2nd F I Reference value For some functions ex differential mode or thickness for velocity mode opens a screen all
131. he gage from reading too high a value when skipping one back wall echo and from measuring twice the correct thickness doubling e Reduce the gain value when noise peaks are above 20 of the waveform display height This prevents the gage from detecting a noise peak rather than the correct back wall echo 3 Press 2nd F GAIN WAVE ADJ again to restore the default gain value Press GAIN WAVE ADJ again to return to the automatically adjusted echo height mode The default automatic gain mode is indicated by a blank Gain field Adjusting the Extended Blank with Dual Element Transducers A CAUTION Olympus recommends using the extended blank parameter only if you are an experienced operator who thoroughly understands the acoustic properties of the material being measured Incorrect use of the extended blank can cause the gage to misread areas of thin material Normally the 45MG searches for echoes down to nearly zero thickness However some special circumstances such as a high degree of near surface corrosion aluminum material enclosed flaws or laminations can generate echoes that the instrument may falsely detect as the low thickness When these echoes are larger than the sought after back wall echo the manual gain adjustment see section 9 1 on page 143 cannot prevent this false detection However the extended blank parameter allows you to define an early period during which the 45MG will not perform echo detection thereby
132. ho or DETECT ECHO 2 Detection polarity of second or DETECT echo IF BLANK Blank after interface echo 0 us to 20 us M3 BLANK Blank after first measured 0 us to 20 us back wall echo in mode 3 VELOCITY Ultrasonic sound velocity of 0 0200 in us to 0 7362 in us material to be measured 0 508 mm s to 18 699 mm s ZERO Zero calibration factor 0 00 to 999 99 Table 27 General specifications Element Description Keypad Sealed and embossed membrane surface Tactile and audible feedback color coded graphics 15 keys Dual element transducers gage for that transducer guaranteed Automatically identifies the transducer type and optimizes the Non Olympus transducers might work but performance is not The following transducers are supported D790 D790 SM D791 D791 RM D792 D793 D794 D797 D798 D7906 SM D7908 D799 and MTD705 Single element transducers optional Can be used with contact delay line and immersion transducers from 2 25 MHz to 30 MHz High Penetration software option expands the frequency range from 0 5 MHz to 30 0 MHz Technical Specifications 209 DMTA 10022 01EN Rev A September 2012 210 Appendix A DMTA 10022 01EN Rev A September 2012 Appendix B Sound Velocities The following table lists the sound velocities in a variety of common materials Use this table only as a guide The actual velocity in these materials may vary significantly due to a
133. ho window is limited to the time interval between successive interface echoes see Figure 10 12 on page 173 The end of the echo window must be set ahead of the second interface echo in order to prevent an incorrect detection which in turn determines a maximum measurable thickness In applications involving mode 2 and mode 3 immersion measurements the echo window placement must apply throughout the range of the water paths to be used 172 Chapter 10 DMTA 10022 01EN Rev A September 2012 1D Bo04 THK 0 294 F MA Echo window Interface echo ___ R primini ri jAy F Second interface echo 0 64 TUO BERT us 2 64 Interface blank n in JSE M2 20Hz m dB Figure 10 12 Echo window setting for mode 2 and mode 3 10 8 1 About the Detection of Echo 1 and Echo 2 It is possible to select the detection polarity positive or negative for the first and second echoes Depending on the measurement mode and on the type of test material the maximum amplitude in an echo can be either a positive or negative peak Positive and negative polarity refer to processed echoes displayed on the waveform display see Figure 10 13 on page 173 To measure thicknesses with the highest accuracy it is important for the 45MG to detect the maximum amplitude peak in an echo Negative maximum peak Positive maximum peak BID B04 THK 0 294 JTD B04 THK 0 294 E ESASEN E e ham 0 00 nea l 00 0 00 00 SE H1 20Hz 0 i A36
134. ibute to making the gage a more versatile instrument This chapter describes how to use these advanced features The following topics are covered in this chapter e Adjusting the Gain with Dual Element Transducers see section 9 1 on page 143 e Adjusting the Extended Blank with Dual Element Transducers see section 9 2 on page 145 e About the B Scan see section 9 3 on page 147 e About the DB Grid see section 9 4 on page 153 9 1 Adjusting the Gain with Dual Element Transducers With D79X series dual element transducers you can manually adjust the gain by pressing GAIN WAVE ADJ The 45MG offers two types of gain adjustments e The standard feature allows the user to set the gain to HIGH 10 dB standard default and LOW 6 dB e When the waveform option is activated the user can adjust the gain in 1 dB increments The gain value is expressed in decibels dB and appears near the lower right corner of the display see Figure 9 1 on page 144 Using Advanced Gaging Features 143 DMTA 10022 01EN Rev A September 2012 fat 1D BO4 0 100 10 804 THK 0 100 AAA 0 285 To 295 in JDE STD Fakt GAIN 62dB DE STD Fast GAIN HIGH Echo must be above the 20 detection threshold of the waveform display height in order to be detected Oo rr on Manually adjusted gain value Figure 9 1 Manually adjusting the gain When activated the manual gain adjustment also modifies the way in whic
135. ically activated when entering the minimum or maximum thickness mode When leaving the mode the display update rate is restored to its previous state The minimum and maximum thickness modes display the smallest and largest thickness value measured from the time you activate or reset the minimum mode The modes are useful when determining the thinnest thickest reading obtained while making a series of readings on a test piece To activate the minimum maximum or min max mode 7 3 Inthe measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen set MIN MAX to the desired mode OFF MIN MAX or BOTH 3 Press MEAS to return to the measurement screen 4 Inthe measurement screen press MEAS again to reset the held minimum maximum or min max values The thickness display will blank indicating that the old MIN MAX value is reset Saving or sending a MIN MAX reading also resets the value Preventing False Minimum Maximum Thickness Readings A false minimum or maximum reading can occur when you lift the transducer from the test piece This is due to excess couplant particularly on smooth surfaces which causes the instrument to read the thickness of a couplant drop when you lift the transducer To prevent false minimum maximum thickness readings Activate the minimum or maximum thickness mode see section 7 2 on page 125 2 Before uncoupling the transducer press FREEZE to freeze the measurement or option
136. il ISM est conforme a la norme NMB 001 du Canada t for next prev WEAS to exit Figure i 3 The REGULATORY screen 3 Use the up and down arrow keys to scroll through the different REGULATORY screens 4 Press MEAS to return to the measurement screen Warranty Information Olympus guarantees your Olympus product to be free from defects in materials and workmanship for a specific period and in accordance with the conditions specified in the Olympus NDT Terms and Conditions available at http www olympus ims com en terms The Olympus warranty only covers equipment that has been used in a proper manner as described in this instruction manual and that has not been subjected to excessive abuse attempted unauthorized repair or modification Inspect materials thoroughly on receipt for evidence of external or internal damage that might have occurred during shipment Immediately notify the carrier making the delivery of any damage because the carrier is normally liable for damage during shipment Retain packing materials waybills and other shipping documentation needed in order to file a damage claim After notifying the carrier contact Olympus for assistance with the damage claim and equipment replacement if necessary This instruction manual explains the proper operation of your Olympus product The information contained herein is intended solely as a teaching aid and shall not be used in any particular application without ind
137. in selecting the proper file if you are uncertain of the exact file name b To rename the file edit the NAME value c Edit the file description DESC the inspector identification INSP ID and the location note LOC NOTE values as needed d To change the file lock state set DELETE PROTECTION to ON or OFF e Foranongrid file select UPDATE FILE MENU t to select char conmand then ENTER t ENTER 2ndF ENTER 2ndF gt f Figure 6 29 Entering new file information 3 Fora grid file select CONTINUE and then perform the following actions in the second page of the EDIT screen see Figure 6 30 on page 108 a Increase the END COLUMN and END ROW values as needed These values cannot be decreased b If needed change the INC 1ST BY value c Select UPDATE Software Options 107 DMTA 10022 01EN Rev A September 2012 6 7 4 5 FILE MENU EDIT END COLUMN 6 Dt COCSNNNNNNNNNCOC N TCCS END ROW fc INC IST BY RN CANCEL to select then ENTER Figure 6 30 Displaying the grid edit screen Deleting a File or its Contents The file delete function can be used to completely erase the file from the datalogger memory or to erase the contents of a file Files that are delete protected cannot be deleted until the delete protection is disabled see section 6 7 4 4 on page 106 A CAUTION Once a file is deleted it is not possible to recover any information previously co
138. ion procedure for a THRU COAT probe is similar to the procedure for other probes As for a normal calibration you need two uncoated samples with accurately known thin and thick thicknesses in order to perform the calibration procedure below The difference is that towards the end of the procedure you can press CAL VEL a second time to calibrate the coating thickness measurement on a sample with an accurately known coating thickness To perform a THRU COAT calibration CL eS Oo N Ensure that the THRU COAT function is enabled see section 6 3 1 on page 74 Couple the transducer to the thick sample Press CAL VEL Once the reading is stable press ENTER Using the arrow keys edit the thickness value to match the known thickness of the sample Couple the transducer to the thin sample Press CAL ZERO Once the reading is stable press ENTER Using the arrow keys edit the thickness value to match the known thickness of the sample Software Options 75 DMTA 10022 01EN Rev A September 2012 10 If the coating thickness measurement accuracy is important to your application perform the following actions omitting this step does not affect the accuracy of the metal thickness measurement a Press CAL VEL again b Couple the transducer to the coated sample c Once the reading is stable press ENTER d Using the arrow keys edit the thickness value to match the known coating thickness of the coated sample
139. ist select the source file In COPY NAME enter the file name for the destination file Set COPY THICKNESS DATA to YES when you also want to copy the thickness readings from the original file into the new file Select COPY Software Options 105 DMTA 10022 01EN Rev A September 2012 FILE MENU COPY SORT BY NAME FILE123 HONAMEOO COPY HAME GRID 456 COPY THICKNESS DATA HO CANCEL to select then ENTER Figure 6 28 Copying a file 3 Open the newly created file in order to make it the active file see section 6 7 4 1 on page 104 6 7 4 4 Editing a File Once a file is created the edit function can be used to change the following file parameters e File name e File description e Inspector ID e Location note e Delete protection on off e End row column or point of a grid file e Incrementing order of a grid file The edit function does not allow you to edit the file type and cannot be used to edit individual measurement identifiers ID or actual thickness readings To edit an existing file 1 Inthe measurement screen press FILE and then select EDIT 2 Inthe EDIT screen see Figure 6 29 on page 107 a In the list select the file you want to edit 106 Chapter 6 DMTA 10022 01EN Rev A September 2012 NOTE When scrolling through the file names a descriptive header for the highlighted file name appears on the lower section of the display This information can assist
140. ive You must set MIN MAX to OFF in order to change the HOLD BLANK function Similarly you must set HOLD BLANK to BLANK in order to change the MIN MAX function 10 11 In MEASURE RATE adjust the measurement update rate see section 4 5 on page 46 for details For single element transducers only set AVERAGING to OFF in order to turn thickness averaging off set AVERAGING to ON to perform a running average of the last five thickness readings or set AVERAGING to On QBar to display a quality measurement Q bar below the measurement screen indicating the stability of the averaged reading Set ID OVERWRITE PROT to ON with the Datalogger option only if you want to see a confirmation message in the help bar when attempting to save a measurement reading in an ID that already contains a value see section 6 7 5 on page 112 for details For single element transducers only set QUICK SETUP RECALL to ON in order to activate the quick recall of the first four custom setups by using a combination of the 2nd F and arrow keys see section 10 10 on page 178 for details For single element transducers only set AGC to ON to configure the automatic gain control AGC function to automatically bring all measured back wall echoes to the same amplitude TIP The AGC function works well for most standard thickness gage applications and is turned on by default In some thickness applications the receiver gain is set at or near its maximum value I
141. justment 176 Chapter 10 DMTA 10022 01EN Rev A September 2012 Because the mode 3 echo blank limits minimum measurable thicknesses set the controls to as short a period as possible typically no longer than a few hundred nanoseconds Special cases may be an exception where mode conversion effects on curved samples cause significant spurious signals between legitimate echo peaks In such cases set the mode 3 echo blank to as long a period as necessary in order to prevent detection of the spurious signals 10 9 Saving Setup Parameters After adjusting selected waveform parameters it is possible to store the settings for quick and easy recall The 45MG can store up to 35 custom setups in its internal memory To save setup parameters Make the appropriate changes to the waveform parameters 2 Press 2nd F FREEZE XDCR RECALL In the menu ensure that ACTIVE is highlighted The changes you made are located in the active setup 3 Press SAVE In the SAVE SETUP screen see Figure 10 17 on page 178 a Inthe SAVE AS dialog box enter a name for the custom setup b Inthe SAVE TO list select one of the 35 available custom setup locations A CAUTION Setups named SE USER 1 through SE USER 35 are empty locations Use caution when selecting a location that already contains a custom setup because the new setup will replace the old information c Select SAVE to save the custom setup About Custom Setups for Single E
142. l Words The following safety symbols could appear in the documentation of the instrument IMPORTANT The IMPORTANT signal word calls attention to a note that provides important information or information essential to the completion of a task NOTE The NOTE signal word calls attention to an operating procedure practice or the like which requires special attention A note also denotes related parenthetical information that is useful but not imperative TIP The TIP signal word calls attention to a type of note that helps you apply the techniques and procedures described in the manual to your specific needs or provides hints on how to effectively use the capabilities of the product Warnings A General Warnings e Carefully read the instructions contained in this instruction manual prior to turning on the instrument 8 Important Information Please Read Before Use DMTA 10022 01EN Rev A September 2012 Keep this instruction manual in a safe place for further reference Follow the installation and operation procedures It is imperative to respect the safety warnings on the instrument and in this instruction manual If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment could be impaired Do not install substitute parts or perform any unauthorized modification to the instrument Service instructions when applicable are for trained service personnel To
143. l number label content 3 setting alarms 130 clock 42 ID overwrite protection 112 password 133 transducer 49 units 42 USB communications 181 setups creating for SE transducers 160 custom for SE transducers 159 loading 51 230 Index DMTA 10022 01EN Rev A September 2012 saving parameters 177 shear wave unwanted 73 slope TDG 170 software diagnostic 200 software options 65 215 activating 66 high resolution 48 sound attenuation or absorption 60 scattering 60 velocities 211 velocity calibration 52 57 special functions 123 specifications datalogger 206 EN15317 display 204 EN15317 general 203 EN15317 other 205 EN15317 receiver 204 EN15317 transmitter 204 environmental rating 205 measurement 206 stand 18 standard echo detection mode 67 status instrument 201 step test block 56 stored data review 114 strap rings 18 submenus 35 supervisor lock 132 support information 14 surface roughness of test piece 59 symbol C Tick Australia 4 RoHS 4 11 WEEE 4 symbols safety 1 system parameters configuring 140 T T R transducer connector 19 taper or eccentricity 60 TDG slope 170 technical specifications 203 technical support 14 test block 56 test piece curvature of 60 text edit mode selection 37 traditional method 39 virtual keyboard 37 thickness measuring 61 resolution 48 THRU COAT enabling 74 measurement 74 performing calibration 75 time setting 42 time dependent gain 168 tip n
144. later retrieve the previously saved survey thickness data stored in a computer file with ID numbers This retrieved data can be used for the following purposes To guide you through the measurement sequence using the ID numbers To compare current values at the measurement site with previously measured thickness values To manually or automatically verify that the current measurement setup is identical to the previously used setup Create ID number sequences in a computer and then download them to the instrument This externally created sequence can guide you through the prescribed measurement location path The ID sequence created in the computer must have setup information The setup can be the gage default setups or any other desired sequence of setups The data downloaded to the 45MG must be in the exact same format as the data transmitted Olympus recommends using the GageView interface program to handle all functions of interfacing storing and creating 45MG data Please contact Olympus for information on additional software data management programs To receive a data file from a computer 1 When using GageView or another program to send the file from the computer using the USB port see section 11 2 on page 181 turn on the 45MG and make sure that the measurement screen is active From the computer begin sending the formatted data The 45MG displays a RECEIVING DATA screen while the data is being sent after
145. lement Transducers 177 DMTA 10022 01EN Rev A September 2012 SAYE AS STEEL M202 SAYE TO 4 SE USER 2 SE USER 3 SE USER 4 SE USER 5 ij SAYE CANCEL to select then ENTER or MEAS Figure 10 17 Saving custom setups 5 Inthe ACTIVE screen review the setup parameters 6 Press MEAS to return to the measurement screen 10 10 Quickly Recalling a Custom Setup for Single Element Transducers Normally you can change the setup for a custom application by pressing RECALL XDCR to select the appropriate setup in the list of available setups and then pressing MEAS This process is adequate for typical setups that are changed infrequently However when it is necessary to change between two or more custom setups on a more frequent basis use the quick setup recall function instead When the quick setup recall function is activated a simple keypad shortcut can be used to quickly switch to any of the first four custom setups for single element transducers To activate the quick setup recall function 1 Inthe measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen set QUICK SETUP RECALL to ON 3 Press MEAS to return to the measurement screen 178 Chapter 10 DMTA 10022 01EN Rev A September 2012 To quickly recall one of the four first custom setups While in the measurement screen with the quick setup recall function activated press 2nd F 4 to recall the first cus
146. m Figure 6 10 Examples of waveform trace modes 6 4 3 About the Range of the Waveform Display The range of the waveform display see Figure 6 11 on page 81 is the distance spanned by the horizontal axis of the waveform display The left end of the horizontal axis the delay is generally set to zero The delay value can be manually adjusted to change the starting point of the range see section 6 4 3 2 on page 82 and to select the end point of the range see section 6 4 3 1 on page 81 You can also activate the zoom function to automatically set the delay and the range values for optimum visualization of the echo see section 6 4 3 3 on page 82 80 Chapter 6 DMTA 10022 01EN Rev A September 2012 6 4 3 1 Blrofaor STK 0 298 A Adjustable delay value 0 00 1 00 Selectable range value 0 2653 DE STD Fast GAIN Eeen OOD Units Figure 6 11 The range of the waveform display Selecting the Range Value There are fixed ranges available for each transducer frequency The available ranges are also dependent on material sound velocity These selectable ranges let you adjust the thickness span of the waveform display to show only the thickness range being measured and thus obtain maximum waveform resolution for each application The range setting affects only the waveform display It is possible to make measurements even when the display range does not show the detected echo from which the thickness is
147. m HIGH High Alarm Figure 6 36 Identifying the ID review screen The ID review screen has three purposes as follows e Reviewing datalogger contents by scanning through stored ID locations in the active file e Moving within the data file and changing the current ID location to any location that already exists in the data file e Changing the current ID location to any location that already exists in the data file for the purpose of editing that ID location Software Options 113 DMTA 10022 01EN Rev A September 2012 6 7 6 1 Reviewing Stored Data and Changing the Active ID The ID review screen is used to review the data in the active file To review stored data and change the active ID 4 6 7 6 2 Open the file you want to review see section 6 7 4 1 on page 104 In the measurement screen press 2nd F FILE ID While in the ID review screen see Figure 6 36 on page 113 perform the following actions a Review the waveform status flags and measured values for the active ID b Press 4 to display the data for the next ID in the file c Press v to display the data for the previous ID in the file d Press 2nd F and 2nd F vy to jump respectively to the last ID and the first ID in the file e Press 2nd F FILE ID to edit the ID see section 6 7 6 2 on page 114 Press MEAS to return to the measurement screen with the new active ID Editing the ID The ID can be edi
148. measured The range cannot be manually set while the zoom is active To select the range value 1 In the measurement screen press the and v keys to adjust the range The waveform range changes to the next higher available range Continue pressing the lt key to select the next higher range or press the vy key to select the next lower range The range value recycles to the minimum range value following the maximum value Software Options 81 DMTA 10022 01EN Rev A September 2012 NOTE When the GAIN WAVE ADJ parameters are active the range and delay become items in the parameter list Use the and 7 keys to highlight the range parameter and the gt and 4 keys to adjust the range Press MEAS to stop adjusting the range 6 4 3 2 Adjusting the Delay Value The delay of the waveform display adjusts the beginning of the horizontal span The delay can be adjusted to display the waveform of interest in the center of the waveform display This function is very useful when using delay line or immersion transducers or when measuring thick material in order to ensure that the measured echoes can be seen in greater detail To adjust the delay value Inthe measurement screen press the gt and 4 keys to adjust the delay NOTE When the GAIN WAVE ADJ parameters are active the range and delay become items in the parameter list Use the and 7 keys to highlight the delay parameter a
149. ment Friendly Use Period EFUP is not meant to be interpreted as the period assuring functionality and product performance 4 Labels and Symbols DMTA 10022 01EN Rev A September 2012 Important Information Please Read Before Use Intended Use The 45MG instrument is designed to measure thicknesses of industrial and commercial materials A Do not use the 45MG for any purpose other than its intended use It must never be used to inspect or examine human or animal body parts Instruction Manual This instruction manual contains complete and essential information on how to use this Olympus product safely and effectively Before use thoroughly review this instruction manual and use the product as instructed Keep this instruction manual in a safe accessible location The 45MG documents are 45MG Ultrasonic Thickness Gage Getting Started P N DMTA 10024 01EN U8778520 A short leaflet containing essential information for quick start up of the 45MG instrument Important Information Please Read Before Use 5 DMTA 10022 01EN Rev A September 2012 45MG Ultrasonic Thickness Gage User s Manual P N DMTA 10022 01EN This document is in PDF format and contains a detailed description of the instrument in addition to the setup and operating procedures for all the instrument features The PDF file is available on the documentation CD P N 45MG MAN CD U8147024 that is shipped with the 45MG
150. mpus cannot guarantee any level of ingress protection rating once the instrument seals have been manipulated You must use sound judgment and take proper precautions before exposing the instrument to harsh environments To maintain the original level of ingress protection you are responsible for the proper care of all routinely exposed membrane seals Additionally you are responsible for returning the instrument to an authorized Olympus service center on an annual basis to ensure that the instrument seals are properly maintained 1 3 Instrument Hardware Components The 45MG front panel features a color display and a keypad The instrument comes with a wrist strap An optional protective rubber boot includes a dust flap seal for the USB communication connector strap rings at the four corners and a stand at the back of the instrument see Figure 1 1 on page 18 1 0 door protecting USB connector Transducer connectors boot Strap rings at the four corners Power key Figure 1 1 The 45MG hardware components Front top and side views 18 Chapter 1 DMTA 10022 01EN Rev A September 2012 1 4 Connectors Figure 1 2 on page 19 illustrates the possible connections between the 45MG and external devices S Transducer USB connector MicroSD memory card Figure 1 2 The 45MG connections The USB and Transmit Receive transducer connectors are located on the top of the 45MG s
151. mputer Resetting the Communication Parameters The communication reset function quickly returns communication parameters to their factory default values This function may be useful when you are experiencing difficulties in establishing communication with a remote device Table 13 on page 190 summarizes the default values for the communication parameters Table 13 Default communication parameter values Parameter Value COMM PROTOCOL MULTI CHAR OUTPUT FORMAT F1 B SCAN OUTPUT OFF FTP OUTPUT 45MG OUTPUT TYPE FTP To reset the communication parameters Press SETUP and then select RESETS In the RESETS screen see Figure 11 6 on page 191 a Inthe RESETS list select COMMUNICATION RESET b Select RESET 190 Chapter 11 DMTA 10022 01EN Rev A September 2012 SETUP_MWENU RESETS MEASUREMENT RESET INTERNAL MEMORY RESET CLOCK RESET 11 WARHING COMMUNICATION data will be RESET RESET CANCEL t to select then ENTER Figure 11 6 Selecting COMMUNICATION RESET Managing Communications and Data Transfer 191 DMTA 10022 01EN Rev A September 2012 192 Chapter 11 DMTA 10022 01EN Rev A September 2012 12 Maintaining and Troubleshooting the 45MG This section describes how to maintain your 45MG by carrying out routine care and maintenance Topics are as follows 12 1 Routine Gage Maintenance see section 12 1 on page 193 Cleaning the Instrument see
152. n parameter screens containing lists or alphanumeric parameters e Inalist use the and 7 keys to highlight the desired list item e Foran alphanumeric parameter use the lt and v keys to enter the desired characters see section 3 4 on page 37 for details e Press 2nd F v or 2nd F to leave a list or alphanumeric parameter and proceed to the next or previous screen element 4 To exit the parameter screen press MEAS to return to the measurement screen 36 Chapter 3 DMTA 10022 01EN Rev A September 2012 NOTE In the remainder of this document the above procedure is summarized by the simple instruction to select a specific parameter or list and its value For example In the MEAS screen set MEAS MODE to THICKNESS 3 4 Selecting the Text Edit Mode The 45MG offers two methods of editing the value of alphanumeric parameters Either the virtual keyboard or traditional method can be used The virtual keyboard appears on the screen to display all the available characters that can be used see section 3 4 1 on page 37 for details With the traditional method you must select each character from a hidden list of standard sorted letters numbers and special characters see section 3 4 2 on page 39 for details To select the text edit mode In the measurement screen press SETUP and then select SYSTEM 2 Inthe SYSTEM screen highlight TEXT EDIT MODE and then select the desired mode VIRTUAL
153. n percentage for the low YELLOW ALARM and high RED ALARM limits following which the instrument displays see Figure 7 6 on page 130 e The RED indicator for reduction rates that are greater than or equal to the RED ALARM value e The YEL indicator for reduction rates that are between the YELLOW ALARM and the RED ALARM values e The GRN indicator for reduction rates that are below the YELLOW ALARM value THK 0 100 10 804 F u E 5 0 00 REDUCTION METRE DE STD Fast YEL alarm indicator RED alarm indicator Figure 7 6 YEL yellow and RED alarm indicators shown with the Waveform option activated To set the alarm 1 Inthe measurement screen press SETUP and then select ALARM 130 Chapter 7 DMTA 10022 01EN Rev A September 2012 2 Inthe ALARM screen see Figure 7 7 on page 131 a Set ALARM ENABLE to ON to activate the alarm function b In ALARM MODE select the desired alarm mode STANDARD B SCAN or REDUCTION RT reduction rate The other parameters vary depending on the alarm mode selection NOTE The B SCAN option only appears when the B scan mode is active see section 9 3 1 on page 150 The REDUCTION RT option only appears when the active file is configured with the FILE DATA MODE parameter set to REDUCTION RT see section 6 7 3 on page 102 SETUP_MEHU ALARH ALARM ENABLE OFF ALARM MODE STANDARD LOH ALARH 0 120 1H HIGH ALARH 0 421 IH to select then ENTER or f
154. n such cases turn off the AGC function to prevent reading instability 12 Press MEAS to return to the measurement screen Configuring the Instrument 139 DMTA 10022 01EN Rev A September 2012 8 2 Configuring System Parameters The SYSTEM screen allows you to configure many 45MG system parameters To configure system parameters 1 Inthe measurement screen press SETUP and then select SYSTEM The SYSTEM screen appears see Figure 8 2 on page 140 SETUP_HENU SYSTEH INACTIVE TIME LANGUAGE RADIX TYPE SAYE KEY DATA DEFAULT FILE MODE TEXT EDIT MODE SCR TO SD CARD gt to select then ENTER or f Figure 8 2 The SYSTEM screen Set BEEPER to ON or OFF see section 4 1 on page 41 for details Set INACTIVE TIME to ON or OFF see section 4 1 on page 41 for details 4 Inthe LANGUAGE text box select the desired user interface language see section 4 1 on page 41 for details 5 Set RADIX TYPE to the desired character period or comma for separation of the integer and decimal numbers 6 Set SAVE KEY DATA to save only the thickness measurement THICKNESS or both the thickness and the waveform THICKNESS WE NOTE The calibration and setup parameters are also always saved sent along with the thickness measurement 140 Chapter 8 DMTA 10022 01EN Rev A September 2012 8 3 7 8 10 Set DEFAULT FILE MODE to the desired default file data mode when you create a file
155. nal LOS and auto zoom measured echo centering Extended blank Blank after first received echo in Echo to Echo mode 16 Chapter 1 DMTA 10022 01EN Rev A September 2012 1 2 Receiver gain readout Ability to capture and display waveform associated with minimum thickness during scanned measurements Display of stored and downloaded waveforms Datalogger option only Manual gain adjustment in 1 dB steps e Internal datalogger functions Internal data storage and possibility to export data to a removable MicroSD memory card Capacity to store 475000 fully documented thickness readings or 20000 waveforms with thickness readings Database enhancements include 32 character file naming and 20 character ID naming Automatic ID number increments following a preset sequence or manual ID numbering using the keypad Save reading waveform to an ID number Ability to simultaneously display ID number and stored reference thickness while displaying active thickness and waveform Five file formats available Erase selected data or all stored data Standard USB directional communication Environmental Ratings The 45MG is a rugged and durable instrument that can be used in harsh environments The 45MG was designed to meet the requirement of the IP67 rating Ingress Protection rating Instrument Description 17 DMTA 10022 01EN Rev A September 2012 A CAUTION Oly
156. nd the gt and 4 keys to adjust the delay Press MEAS to stop adjusting the delay 6 4 3 3 Activating the Zoom Function Available Only with the Waveform Option The zoom function automatically and dynamically sets the delay and range values to optimally track and show the detected echo in the waveform display To activate the zoom function In the measurement screen press SETUP and then select DISPLAY 2 Inthe DISPLAY screen set the ZOOM OPTION to ON The zoom flag appears on the lower right side of the waveform display below the range parameter 82 Chapter 6 DMTA 10022 01EN Rev A September 2012 The resulting zoomed waveform depends on the current measurement mode The zoom for D79X dual element transducers and mode 1 single element transducers centers the first back wall echo on the screen see Figure 6 12 on page 83 Gojan MHK 0 298 ODOT O MTK 0 298 f o A Mat 7 i Nutt Wy 0 00 4 00 0 20 va 0 m 265 in 0 n 265 in DE STD Fast GAIN dB DE STD Fast Lin dB Normal display Zoomed display Figure 6 12 Comparing the normal and zoomed display in mode 1 The zoom with single element transducers in mode 2 adjusts the waveform range and delay so that the interface echo and the first back wall echo appear on the waveform display see Figure 6 13 on page 83 ID A01 THK 0 298 are a Py 1D A01 THK 0 298 Bol 0 00 2 00 1 06 1 46 Z 0 292 0 292 SE H2 20Hz GAIN d
157. ness ranges in steel parts see Table 4 on page 73 72 Chapter 6 DMTA 10022 01EN Rev A September 2012 Table 4 Recommended transducers for various steel thickness ranges Transducer type Thickness range D798 0 060 in to 0 300 in 1 5 mm to 7 6 mm D790 791 0 100 in to 2 00 in 2 5 mm to 51 mm D797 0 500 in to 5 00 in 12 7 mm to 127 mm D7906 0 100 in to 2 00 in 2 5 mm to 51 mm a Thickness ranges are dependent on the transducer type material conditions and temperature In some cases an error can occur if you are using a D790 transducer to measure thicknesses above 0 7 in 18 mm Typically this error is due to a mode converted shear wave echo that may appear before the second back wall echo If this unwanted echo is larger than the second back wall echo the gage measures the distance to it which produces a thinner reading You can usually distinguish the unwanted shear wave echo from the correct back wall echo by examining the waveform display The distance between the first and the second back wall echoes is the same as the distance between the zero thickness point and the first back wall echo If there is an echo between the first two back wall echoes it is probably a mode converted shear wave echo Use the manual echo to echo detection mode techniques and manually adjust the E1 blank to eliminate this error see section 6 2 1 on page 71 Using the D797 transducer beyond 0 7 in
158. ng High Resolution software option P N 45MG SE U8147022 makes it possible to increase the resolution to either 0 0001 in or 0 001 mm High resolution is available for measured thickness smaller than 4 in 102 mm High resolution is not active with low frequency transducers or when the High Penetration software option is activated To change the thickness measurement resolution In the measurement screen press SETUP and then select MEAS 2 Inthe MEAS screen see Figure 8 1 on page 138 set RESOLUTION to the desired option e STANDARD 0 001 in or 0 01 mm default e LOW 0 01 in or 0 1 mm e Optional HIGH 0 0001 in or 0 001 mm 3 Press MEAS to return to the measurement screen 48 Chapter 4 DMTA 10022 01EN Rev A September 2012 5 Basic Operation The following sections describe the basic operation for the 45MG ultrasonic thickness gage 5 1 Setting Up the Transducer The 45MG operates with a full line of single element optional software and dual element transducers The 45MG automatically recognizes standard D79X dual element transducers and automatically loads the appropriate predefined setup The predefined setup contains ultrasonic velocity for the stainless steel step block supplied with the instrument With dual element transducers you need to perform a transducer zero compensation For Single Element or High Penetration software options and single element transducers you need to manually re
159. nk ID B04 THK 0 294 Initial pulse il R F Ci 0 00 BEEF 0 50 SE H1 4Hz 0 385 dB Figure 10 9 Main bang blank position for mode 1 In mode 2 and mode 3 the setting of the main bang blank is not critical if set to some point between the end of the excitation pulse and the interface echo see Figure 10 10 on page 171 Main bang blank ID BO THK 0 294 a 0 94 BERT us 1 44 0 194 SE H2 4Hz GAIN dB Interface echo Figure 10 10 Main bang blank position for mode 2 and mode 3 About Custom Setups for Single Element Transducers 171 DMTA 10022 01EN Rev A September 2012 10 8 About the Echo Window The echo window is the time interval after each main bang during which the instrument is enabled to detect echoes The echo window interval begins at the end of the main bang blank The echo window ends at x us following the main bang in mode 1 or at x us following the interface blank in mode 2 and mode 3 In mode 1 you can usually set the echo window to any value greater than the round trip pulse transit time in the thickest or slowest piece of material to be measured see Figure 10 11 on page 172 The exact setting is not critical as long as it is long enough to include the farthest echo of interest 1D BO04 THK 0 294 Echo window 0 00 CIEN Emu 20 00 n in SE H1 20Hz LOS GAIN dB Figure 10 11 Echo window setting for mode 1 In mode 2 and mode 3 the ec
160. nt ID message momentarily appears in the help text bar Subsequent saves overwrite the reading of the last possible ID until the ID value range is changed NOTE To configure the gage to increment through a range of numbers several digits wide while beginning with a single digit ID number the maximum number of digit positions must be entered initially using leading zeroes see examples in Table 7 on page 92 Table 7 Resulting ID examples for the INCREMENTAL file type START ID Resulting IDs 1 1 2 Bree D 0001 0001 0010 0002 z 0003 9999 0009 ABC ABC ACA ABD ACB ABE ACC ABZ ZZZ 1A 1A 2A 1B 2B 1C 5 1Z 92 Chapter 6 DMTA 10022 01EN Rev A September 2012 Table 7 Resulting ID examples for the INCREMENTAL file type continued START ID Resulting IDs ABC 12 34 ABC 12 34 ABC 12 35 ABC 12 36 ABC 12 99 To create an incremental data file 1 Inthe measurement screen press FILE and then select CREATE see section 6 7 2 on page 90 for details on the first parameters 2 Inthe CREATE screen see Figure 6 18 on page 93 a Enter the START ID value b Select CREATE LOCATION NOTE aj FILE MEHU CREATE FILE TYPE FILE DATA MODE DELETE PROTECTION START ID 01 CREATE CANCEL to select then ENTER Figure 6 18 The CREATE screen for the incremental data file type 6 7 2 3 About the Sequential Data File Type The sequential data file type is
161. ntained in that file To delete a file stored in the 45MG Inthe measurement screen press FILE and then select DELETE 2 Inthe DELETE screen see Figure 6 31 on page 109 a b c d e Set DELETE ON to FILE in order to delete an entire file In the list select one or more files that you want to delete A check mark appears on the right of the line of files selected Press 2nd F 7 to leave the list Select the desired Delete Stored Data or Entire File option Set DELETE MODE to DATA if you only want to delete the contents of the file 108 Chapter 6 DMTA 10022 01EN Rev A September 2012 OR Set DELETE MODE to FILE if you want to completely erase the file from the memory f Press ENTER to confirm the operation FILE HENU DELETE DELETE ON FILE SORT BY HAME MODE THICKNESS CREATED 04 09 12 D HOD FILE gt gt to select then ENTER or f Figure 6 31 Deleting a file NOTE If you select multiple files for deletion and some of those files are delete protected the 45MG will only delete the files that are not delete protected 6 7 4 6 Deleting a Range of IDs It is possible to delete a range of IDs in the active file by using the clear memory function This function deletes both the data and the ID number locations for incremental and manual built in GageView data files For other data file types only the data is deleted not the ID number locations
162. o be communicated to Olympus for software option activation 200 Chapter 12 DMTA 10022 01EN Rev A September 2012 To view the instrument status 1 Inthe measurement screen press SETUP then select SP MENU 2 Inthe SP MENU see Figure 4 2 on page 43 select STATUS see Figure 12 5 on page 201 INTERNAL TEMPERATURE 29 0 BATTERY LE EL 99 MODEL NAHE BUILD DATE 03 27 2012 S H YERSION H H YERSION PCB 0 FPGA 20 E S H 013D A 7B5 E38A A30B LANGUAGE Y ERSION ENTER to show menu MEAS to exit Figure 12 5 Example of the STATUS screen 3 Press MEAS to return to the measurement screen 12 8 Understanding Error Messages When operating the gage certain error messages may appear These messages usually indicate a problem with the operating procedure but certain messages might indicate a physical problem with the gage itself If you do not understand an error message contact Olympus for assistance 12 9 Resolving Battery Problems The power indicator in the upper left corner of the display contains bars that indicate the percentage of remaining battery charge level When the charge level becomes low the gage automatically turns off If the gage turns off immediately after you turn it on or if you are unable to turn it on the batteries are probably depleted Replace the batteries with three new AA size batteries Maintaining and Troubleshooting the 45MG 201 DMTA 10022 01EN Rev A Septem
163. o squeeze out excess Basic Operation 59 DMTA 10022 01EN Rev A September 2012 couplant than larger diameter transducers In all modes tilting the transducer distorts echoes and causes inaccurate readings as noted below Curvature of the test piece A related issue involves the alignment of the transducer with respect to the test piece When measuring on curved surfaces it is important that the transducer be placed approximately on the centerline of the part and held steadily as close to the surface as possible In some cases a spring loaded V block holder may be helpful in maintaining this alignment In general as the radius of curvature decreases the size of the transducer should be reduced and transducer alignment becomes more critical For very small radii an immersion approach is necessary In some cases it may be useful to observe the waveform display as an aid to maintaining optimum alignment Observe the best method for holding a transducer with the aid of a waveform display On curved surfaces it is important to use only enough couplant to obtain a reading Excess couplant forms a fillet between the transducer and the test surface where sound reverberates and possibly creates spurious signals that may trigger false readings Taper or eccentricity If the contact surface or back surface of the test piece is tapered or eccentric with respect to the other the return echo is distorted due to the variation of the sound
164. on 53 DMTA 10022 01EN Rev A September 2012 a A01 THK 0 298 a Tha a i 0 00 1 00 Edit value then CAL ZERO rren OOD m in Edit thin standard value then CAL YEL 8 i to do thick standard n DE STD Fast GAIN dB DE STD Fast GAIN dB With Waveform option Without Waveform option Figure 5 5 Performing the sound velocity calibration on a five step test block 2 To perform the zero calibration using an instrument with or without the Waveform option see Figure 5 7 on page 55 a Place a drop of couplant on the surface of the thin part of the test block b Couple the transducer to the thin part of the test block see Figure 5 6 on page 54 and then press CAL ZERO c Once the thickness reading is stable press ENTER d Using the arrow keys edit the thickness value to match the known thickness of the thin part of the test block RIXIY NNN PONO WKY Figure 5 6 Sound velocity calibration on a five step test block Thin part 54 Chapter 5 DMTA 10022 01EN Rev A September 2012 1p aol THK 0 298 Mf ad ny 1 00 x Edit value then MEAS in Edit thin standard value then press in DE STD Fast GAIN dB DE STD Fast GAIN dB With Waveform option Without Waveform option Figure 5 7 Performing the zero calibration on a five step test block 3 Press MEAS to complete the calibration and return to the measurement screen A IMPORTANT If you turn off the instrument be
165. on 6 7 2 6 on page 100 90 Chapter 6 DMTA 10022 01EN Rev A September 2012 FILE MENU CREATE f to select char command then ENTER t ENTER 2ndF ENTER 2ndF Figure 6 17 Example of the CREATE screen TIP At any time you can press 2nd F or 2nd F v to scroll between parameters on the screen 6 7 2 1 About Data File Types You can create a data file using one of the following five data file types e Incremental e Sequential e Sequential with Custom Point e 2 D Matrix Grid e Boiler 6 7 2 2 About the Incremental Data File Type The incremental data file type uses the alphanumeric start ID value up to 20 characters and automatically increments to the subsequent ID value using the following incrementation rules e Increments only digits and letters not punctuation marks or other special characters Software Options 91 DMTA 10022 01EN Rev A September 2012 e Begins incrementation with the right most character e Extends leftward until reaching the first punctuation mark or special character or the left most character whichever comes first e Increments digits from 0 1 2 9 Makes the 9 to 0 transition only after incrementing the character to the left e Increments letters from A B C Z Makes the Z to A transition only after incrementing the character to the left e When an ID cannot be incremented after a reading is saved the Cannot increme
166. otes replacing a thickness reading 116 scroll between parameters 91 start with existing setup to create a new one 160 switching between echo detection modes 70 try communication reset to solve communi cation problems 183 when to turn off AGC 139 title bar 36 traditional text edit method 39 transducer maintenance 194 setting 49 transmitting data 183 troubleshooting 193 U units setting 42 unlocking instrument 134 unwanted shear wave echo 73 update rate 46 adjusting 47 USA FCC compliance 12 USB communications setting 181 connector 19 USB connector 19 user interface language 41 user s manual 6 using Index 231 DMTA 10022 01EN Rev A September 2012 B scan 150 B scan alarm mode 151 extended blank 146 high penetration with M2008 transducer 86 V velocity calibration 52 57 variations 61 viewing inserted DB grid cell 158 instrument status 201 virtual keyboard 37 editing value 38 W warnings general 8 warranty information 13 waste electrical and electronic equipment 11 waveform delay 80 display 32 freezing 135 parameters adjusting 162 range 80 rectification 78 rectification changing 44 trace 80 trace changing 44 WEEE directive 4 11 wrist strap 18 Z zero calibration 52 55 zero compensation 52 zoom activating 82 indicator 34 zoomed display 83 232 Index
167. owing you to enter a reference value Velocity calibration e Switches to the semiautomatic step block calibration mode e With the traditional text edit mode only deletes the character at the cursor position 2nd F Velocity e Opens a screen allowing you to view and manually change the sound velocity e In THRU COAT mode pressing the keys a second time allows you to view adjust the velocity for the coating Zero calibration e Compensates for transducer zero or enables the step block zero calibration e With the traditional text edit mode only inserts a character at the cursor position Instrument Description 23 DMTA 10022 01EN Rev A September 2012 Table 2 Keypad functions continued English International Functions Do ZERO 2nd F Do 2nd F Do ZERO Compensates for transducer delay for dual element transducers and the M2008 transducer SETUP Setup menu Provides access to instrument parameters measurement system display alarm differential mode communication B scan DB grid password locks resets and SP special menu B a On Off Turns the instrument power on or off 24 Chapter 1 DMTA 10022 01EN Rev A September 2012 2 Powering the 45MG This chapter describes how to power the 45MG using different power options 2 1 About the Power Indicator The power indicator is always present on the l
168. pection data reports without having to be connected to a computer or printer The following reports are available File summary Shows basic statistics for the file minimum thickness and location maximum thickness and location and high and low alarm conditions along with the mean median and standard deviation Minimum Maximum summary Shows a list of ID number locations that have the minimum and maximum thickness in a file Alarm summary Shows a list of all the ID number locations where a low alarm and high alarm occurred File comparison Allows you to select two files and compare them The first file contains the previous inspection data and the second file contains the current inspection data The report indicates the maximum wall loss and any area of greater wall thickness growth and their ID number locations Minimum Review Allows you to select a file and then review all the minimum thickness locations in the file In addition to verifying the thickness at all minimum locations you can replace these minimum thickness locations if necessary To generate a report In the measurement screen press FILE and then select REPORT 2 Inthe submenu select the desired type of report If you select e FILE SUMMARY go to step 3 e MIN MAX SUMMARY go to step 4 e FILE COMPARISON go to step 5 e ALARM SUMMARY go to step 6 e MIN REVIEW go to step 7 3 In the FILE SUMMARY screen see Figure 6 39 on page 118 a Select the
169. r NEW REPORT to generate another report In the MIN REVIEW screen a Select the file for which you want to generate the report b Select REPORT The MIN REVIEW report result screen opens with the minimum thickness ID highlighted see Figure 6 45 on page 121 MIN MAX SUMMARY MIN YAL 0 100 HMINS 1 B04 REYIEH CANCEL HEH REPORT Figure 6 45 The MIN MAX SUMMARY report result screen Software Options 121 DMTA 10022 01EN Rev A September 2012 c Inthe list select an ID The 45MG returns to the live measurement screen at the selected minimum ID in the file see Figure 6 46 on page 122 1D B04 THK 0 100 0 00 2 00 t to Go to IDs SAYE to replace n in DE STD Fast GAIN dB Figure 6 46 Returning to the measurement screen d Couple the probe back to the minimum ID location to verify the thickness and then press SAVE to store the new measurement e Use the and v keys to move to other minimum review list IDs Press MEAS to exit the minimum review 122 Chapter 6 DMTA 10022 01EN Rev A September 2012 7 Using Special Functions 7 1 This chapter describes how to use special 45MG functions and modes The 45MG has many thickness measurement features Although the features outlined in this section are not required for basic thickness operation they can make the gage a more versatile instrument The following topics are covered in this section Activating and Configuring a
170. r coating layer The DE AEtoE indicator appears to the left of the thickness reading When the Waveform software option is enabled the triangular marker is replaced by an Echo to Echo detection bar that indicates the exact pair of back wall echoes used to determine the thickness see Figure 6 3 on page 69 The echo height is automatically adjusted to a preset level 68 Chapter 6 DMTA 10022 01EN Rev A September 2012 ID A01 THK 0 298 BJID A01 THK 0 298 LA A L E koo we r a B 0 00 1 00 In 10 299 DE AEtoE Fast GAIN dB DE AEtoE Fast GAIN dB l Echo to echo Dual element DE automatic Echo to Echo AEtoE detection bar detection mode Figure 6 3 Measuring with the automatic Echo to Echo detection mode MANUAL E TO E optional and only available when Echo to Echo and the Waveform options are activated The manual Echo to Echo detection mode also measures the thickness using the time of flight between two consecutive back wall echoes However the gain and blanking parameters can also be manually adjusted in this mode This mode is useful when material conditions produce noisy signals that could render the automatic mode less effective The DE MEtoE indicator appears to the left of the thickness reading The Echo to Echo detection bar is similar to the automatic Echo to Echo mode but includes the adjustable E1 blank bar that indicates the area to exclude for echo detection see Figure 6 4 on page 70 Followin
171. rable to optimize these setups for specific measurement situations In all cases it is essential to perform the velocity and zero calibrations whenever the test material or transducer is changed Periodic checks with samples of known thicknesses are recommended to verify that the gage is operating properly Surface roughness of the test piece The best measurement accuracy is obtained when both the front and back surfaces of the test piece are smooth When the contact surface is rough the minimum thickness that can be measured will be increased as a result of sound reverberating in the increased thickness of the couplant layer Additionally when the two test piece surfaces are rough the slightly different multiple sound paths seen by the transducer may cause distortion in the returning echo resulting in measurement inaccuracies Coupling technique In mode 1 contact transducer measurements the couplant layer thickness is part of the measurement and is compensated by a portion of the zero offset If maximum accuracy is to be achieved the coupling technique must be consistent In order to accomplish consistent measurements use a couplant of reasonably low viscosity employ only enough couplant to achieve a reasonable reading and apply the transducer with uniform pressure Practice will determine the degree of moderate to firm pressure needed to produce repeatable readings In general smaller diameter transducers require less coupling force t
172. ransducer zero compensation schedule that takes these factors into account For example use the D790 SM D791 RM or D797 SM for high temperature applications thereby minimizing the frequency of the zero compensation The D790 SM and D791 RM can also be used for general purpose applications 5 2 4 About the Material Sound Velocity and the Zero Calibrations The 45MG performs a calibration doubling verification to help prevent mis calibration on thin samples Doubling occurs when the instrument measures the time of flight to the second back wall echo rather than measuring the time of flight to the first back wall echo The 45MG compares the measured time of flight to the expected time of flight based on the current sound velocity The 45MG displays a warning message if doubling is suspected Doubling can occur when measuring a thickness that is below the minimum range of the transducer or when using a transducer that is worn out or getting low in sensitivity NOTE You can also achieve a material sound velocity and zero calibration procedure by performing the operations in the reverse order starting with the zero calibration followed by the material sound velocity calibration Basic Operation 57 DMTA 10022 01EN Rev A September 2012 5 2 5 Entering a Known Material Sound Velocity When preparing to measure thicknesses on parts made of a different material if you know the sound velocity for the material you can enter it directl
173. re are two ways to review the contents of a file stored in the internal datalogger by using OPEN or REVIEW in the FILE menu To review a file using OPEN 1 Press FILE and then select OPEN 104 Chapter 6 DMTA 10022 01EN Rev A September 2012 2 Press 2nd F FILE ID to open the file review screen see section 6 7 6 on page 112 To review a file using REVIEW Press FILE select REVIEW and then press ENTER 2 Inthe OPEN screen choose SORT BY and then select NAME or DATE CREATED to select how files are displayed on screen 3 In the list of files select the file you want to review The descriptive header for the highlighted file name appears on the lower section of the screen 4 Select REVIEW to go to the file REVIEW screen for the selected file 6 7 4 3 Copying a File It is possible to duplicate a file that already exists in the datalogger The file copy function is useful for creating a new file with the exact same ID number structure as a previously created file You can also choose to copy the thickness data The file copy function can only be used to copy an existing file in the internal memory to the internal memory Use the file import and export functions to copy data to and from the internal memory and the external MicroSD card To copy a file In the measurement screen press FILE and then select COPY 2 Inthe COPY screen see Figure 6 28 on page 106 a b c d In the l
174. rement screen press SETUP and then select DISPLAY 2 Inthe DISPLAY screen see Figure 4 4 on page 44 set the DISPLAY BRIGHTNESS to the desired percentage level 3 Press MEAS to return to the measurement screen The 45MG uses a transflective color display that reflects ambient light and becomes brighter in direct light In brighter ambient conditions the display brightness can be set to a lower percentage NOTE Reducing the display brightness percentage increases the battery life Battery life specifications are based on the backlight brightness set to 20 4 5 Adjusting the Measurement Update Rate It is possible to select a predefined measurement update rate When using dual element transducers the user can select between two measurement update rates Normal 4 Hz or Fast up to 20 Hz Normal is the default setting for the measurement update rate When the Single Element option is activated and while 46 Chapter 4 DMTA 10022 01EN Rev A September 2012 using a single element transducer it is possible to select 4 Hz 8 Hz 16 Hz or Max up to 20 Hz The measurement update rate indicator is permanently displayed on the left side of the thickness measurement see Figure 4 6 on page 47 n kou 0 00 1 00 Measurement update 0 2 g 3 rate indicator a in DE STD Fast GAIN dB Figure 4 6 The measurement update rate indicator TECT The Fast update rate can be as high as 20 Hz and is dependent on
175. rformed The following three types of calibration must be performed Transducer zero compensation Do ZERO For dual element transducers only calibrate for the sound transit time in each of the dual transducer delay lines This compensation varies in each transducer unit and with the temperature The transducer zero compensation procedure must be performed whenever the unit is powered on the transducer is changed or the transducer temperature changes significantly see section 5 1 on page 49 and section 5 2 3 on page 56 Material sound velocity calibration CAL VEL Perform a velocity calibration using a thick test block of the measured material and of known thickness or by manually entering a previously determined material sound velocity You must perform this procedure for each new measured material see section 5 2 1 on page 53 and section 5 2 4 on page 57 Zero Calibration ICAL ZERO Perform a zero calibration using a thin test block of the measured material and of known thickness Unlike the transducer zero compensation and the material sound velocity calibration this procedure is not required unless you need the best absolute accuracy better than 0 004 in or 0 10 mm The procedure only needs to be performed once for each new transducer and material combination It is not necessary to repeat the zero calibration when the transducer temperature changes transducer zero compensation is responsible for that task see
176. s d Set PROBE TYPE to indicate the transducer type to be used with this setup The selected probe type must match the frequency of the transducer being used for proper pulser receiver performance e Set VELOCITY to the value of the sound velocity in the material that is to be tested with this setup see section 5 2 4 on page 57 f Set ZERO VALUE to the calibrated zero offset value time of flight of the echo that is not traveling through the material for this transducer see section 5 2 1 on page 53 g If needed increase the PULSER POWER to increase the ultrasound wave penetration in the material Reduce the value for better near surface resolution see section 10 5 on page 167 for details h Set MAX GAIN to the desired maximum gain value see section 10 6 1 on page 169 for details i Set INIT GAIN to the desired initial gain value see section 10 6 2 on page 169 for details j Set TDG SLOPE to the desired time dependent gain slope value see section 10 6 3 on page 170 for details About Custom Setups for Single Element Transducers 161 DMTA 10022 01EN Rev A September 2012 10 2 k 1 m Set MB BLANK to the desired main bang blank time interval see section 10 7 on page 170 for details Set ECHO WINDOW to the desired time interval see section 10 8 on page 172 for details Set ECHO 1 DETECT to SLOPE to detect the negative peak of the first echo or to SLOPE to detect the positive peak of the firs
177. s 186 114 Capturing Screen Images snr nenion rirse tie eed neds Me oe 187 11 4 1 Sending a Screen Capture to GageView oo cece cesses cssesssesetesessesesees 187 11 4 2 Sending a Screen Capture to the External MicroSD Card 189 11 5 Resetting the Communication Parameters c cece esses cesessseseseteeeseeees 190 12 Maintaining and Troubleshooting the 45MG ss escssssessseseeeesees 193 12 1 Routine Gage Maintenance ccccccesesecsseeseesesesesssseseseneesseeseeseeeesesesseesesesseseeees 193 12 2 Cleaning the Instrument oenn aAa AER aR AE EATE 194 12 3 Maintaining Transducers sssssessessesseeseessestestesenssssrentenresresnentensesnesstnnteseeneesenne 194 12 4 Using Instrument Resets cccccssssssseeseeesensneneceeneeseseseseseseseceseseesssesesnaeneeess 195 12 5 Performing Hardware Diagnostic Tests sssssesssssiesessessestersessessesssesiesessesneese 197 12 6 Performing the Software Diagnostic Test s ssssssssssseessessestsrtessessesseesiesesresseese 199 12 7 Viewing the Instrument Status sssssesssesesseesessssstestentessessentetessesnesnteniesesresneese 200 12 8 Understanding Error Messages cccscccssssesesesssssssesesessssesesesesssssesesesssesesescsens 201 12 9 Resolving Battery Problems s ss sssssessesssssssseesessessisstestesenstententessesnesnenressesnesnenne 201 12 10 Resolving Measurement Problems s sssssssssssessessssserrenressesssntinsesnessennienes
178. s 196 Measurement troubleshooting cccscsesesseseteseseesesescenenesesesesnensseeceeeeesesssnenenens 202 General EN15317 Specifications c cccccccesccssesesesesnstesescesetessssenseneseeeeneneeeecens 203 Display EN15317 Specifications oniinn ioeie teesi 204 Transmitter EN15317 Specifications 00 0 cceseccseeseecscscseseseecscseseseeceeenen 204 Receiver EN15317 Specifications ccccccecccsescsesesseteseeceeetescsssnsnesessecesenseesnens 204 Other EN15317 Specifications aena ren nE E ERA AERA 205 Environmental rating specifications ss esesseessssisssesessiesessteseessesieseeseesneseenee 205 Measurement specifications cccccceseseseseeeseseeseseeceneesesesesnensneeceeeeesssssnenenens 206 Datalogger Specifications 0 0 0 esc eeeseeeescecseseseeeetscssscseesesessesseeseseseseeees 206 Typical ranges and default setups for single element TEATS COTS NAR osGosc eed E EE A E E va shasvaceyl TA N O OEE 207 Setup parameter description ss ssessissesssessissestestessessesssntesrisresnesnenriesesnesneenees 208 General specifications nxore ien e EEE KEE EEE EE 209 Sound velocities in common materials ccccceeeecesseesecceesecseessecssceeenseeeees 211 Software OPONSE a r Eiei Ee a EA ARTE AS 215 List of Tables 223 DMTA 10022 01EN Rev A September 2012 Table 30 Table 31 Table 32 Table 33 Accessories and replacement Parts ccccsseeseseesssescensneseseseeneteseeseeesesssnenenes 215 Interface Cables
179. s not functioning c Take note of the calculated ZERO VALUE d Press ENTER to terminate the dual element transducer test DUAL XDCR TEST Press MEAS key to start test or press ENTER to exit TYPE 0790 791 Tx 2764 Rx 2766 ZERO ALUE 620 00 Figure 12 3 The DUAL XDCR TEST screen 12 6 Performing the Software Diagnostic Test The software diagnostic SW DIAG function generates an error log documenting all errors that occurred during instrument operation Olympus uses this information to troubleshoot the 45MG operating software Maintaining and Troubleshooting the 45MG 199 DMTA 10022 01EN Rev A September 2012 To access the software diagnostic 3 12 7 In the measurement screen press SETUP and then select SP MENU In the SP MENU see Figure 4 2 on page 43 select SW DIAG The SW DIAG screen appears which contains the error log see Figure 12 4 on page 200 SETUP MENU SH DIAG Ho software diagnostic errors ENTER to show menu MEAS to exit Figure 12 4 Example of the SW DIAG screen Press MEAS to return to the measurement screen Viewing the Instrument Status The STATUS screen lists important information about the instrument The status screen displays the following information Current instrument internal temperature Current battery charge level Instrument model Software release date build date Software version Hardware version Options code S N t
180. s to 0 7362 in us 0 508 mm s to 18 699 mm s Material sound velocity resolution 0 0001 in us 0 001 mm s Alarm set point range 0 00 in to 20 00 in 0 00 mm to 500 00 mm Table 24 Datalogger Specifications Parameter Value Storage capacity 475000 thickness readings or 20000 waveforms with thickness readings 206 Appendix A DMTA 10022 01EN Rev A September 2012 Table 24 Datalogger Specifications continued Parameter Value ID number length 1 to 20 characters File name length 1 to 32 characters File formats Incremental Sequential defined by starting and ending ID number Sequential with custom points 2 D grid Boiler External memory card MicroSD memory card 2 GB maximum capacity Table 25 Typical ranges and default setups for single element transducers Setup name Transducer Typical measurement range DEFM1 20 0 M116 M116 Steel 0 020 in to 1 500 in 0 250 mm to 8 000 mm DEFM1 10 0 M112 M112 Steel 0 030 in to 10 000 in 0 760 mm to 250 000 mm DEFM1 10 0 M1016 M1016 Steel 0 030 in to 10 000 in 0 760 mm to 250 00 mm DEFM1 5 0 M110 M110 Steel 0 040 in to 15 000 in 1 00 mm to 380 00 mm DEFM1 5 0 M109 M109 Steel 0 050 in to 20 000 in 1 00 mm to 500 00 mm DEFM1 2 25 M106 M106 Steel 0 080 in to 25 000 in 2 00 mm to 635 00 mm DEFM1 2 25 M
181. ses ina eiaeaen e a r Ee FEA a eSEE EEAS 5 Instruction Manual ssrnsnnao n a a a a ene a a Dak n aa WAR 5 Repat and Modification iisccsci teessescvedsccidsciesscchescceds i a E a i aae ie Sr Eiis 6 Safety stesseisschesbsbsetecatasesstchativesodesantdelosssanazgessavsabavedideaaaspeshavezorbashavnddedlstonscaeeddsdnadgediseennieeviatonden 6 Safety SYMDOIS rreren p a EEE EEEO KERE TE EEE gebied 7 Safety Signal Words cs civsscde c atuen i i E RE E APARA RSRS 7 Note Signal Words sern l SE EE AE A EA A ES VSEE 8 Wang Sisse raa a Eaa aa Ar aA a APRE A E EAA 8 Battery Precautions ennan enire e negr rea TE GEKO EEEE NEE a ER TERE een EEPE EEEE EREK EOR EER 10 Equipment Disposal 3 2 css icessiossedessvkersterstasunvedssoukatussscevg A A AE REEE AAEE 10 WEEE Dire tye sneiniinionne l a ia e AUD cas co Beka a aeae se ie ra Bivtadash aaea 11 China RoHS seinn an a a a A a aa a r Ea 11 EMC Directive Compliance ssiri ionn raai E E E EEVEE 11 FCC USA Comp lance ssresrennisiern a ni a a ARA A E ER e 12 ICES 001 Canada Compliance siecrsi iosi irina irai rei ii 12 Regulatory Information sssissiirrisnisiisesiaaisseis iieri anni nass Eine iEn trisses 12 Warranty Informationer iger iian niine ES TEE ENEE E ENSE EEE E EKE EEE 13 Technical Sup port sssie dcccssscseivesssesssdeesssscusceonstosvede suis cussvocvsotulaveduieen A EAE E A 14 1 Instrument Description seseesesesesesesesesesesseossesesesesesesesesesesesesesesesesesesesesese 15 TAS Product Descriptio
182. sesesceeseeeececseeeseeseceneneeeeeeenens 113 Editing the ID Pedit mOde rionn nriran E aE 115 The message when the edited ID is not in the database ceee 115 The FILE SUMMARY report screen cece cece eee ceeeeeeeeececeneneneneeesenees 118 The FILE SUMMARY report result screen cc ee ceceececeseeeetesescecseeeeeeeees 118 The MIN MAX SUMMARY report screen o cece ceccccee sess cesses ceeseeseseeeee 119 The FILE COMPARISON report screen cce cece ce ceeeseeesceteeseseeeenees 120 The FILE COMPARISON report result screen oo eee cerns eeeeeeees 120 The ALARM SUMMARY report result screen 00 cece eee ceeeee cece 121 The MIN MAX SUMMARY report result screen cee eee cette eee 121 Returning to the measurement screen cece csesesesesceteeeeesceeeteeseeeeeee 122 Normal differential mode shown with Waveform option activated 124 The DIFF Sereen ies taaa aa a hav welavtiaenbeseeeaitle nesses 125 Displaying the minimum and or maximum thickness shown with the Waveform option activated ss ssesssssssssessessestestesressessensessessesnensienesnesneenees 126 Example of a HIGH alarm indicator shown with the Waveform option activated enni esnias tnaa Re irar aan R e SEAS aiite 128 Example of a B scan alarm mode 0 0 ccceccccceeesescceeeeececeeseseesesscsnsnsneeeeeses 129 YEL yellow and RED alarm indicators shown with the Waveform option CEL VALE as a ea T ETa RAO cole iaiaatesenstions 130 Setting up
183. seseseenenes 75 Standard display cisccsssvetsocsisisrsversiseveronspossdenevorveseunstundsbduasttachleesseuetdecesecestues VL Waveform dis play sariin cits iokcssvesstohenstdsetohes ston tordedeete tones sbatetondedeodutvtsedeedstveaes 78 Examples of the rectification modes c c ccc csese tees cscseseseseeceeseseseeceeseees 79 Examples of waveform trace modes ccccssssseseeesssseesetesessseseseseseseseseeeees 80 The range of the waveform display c cccccsseseccscsesesesceceseseeeesesenensneeeeees 81 Comparing the normal and zoomed display in mode 1 eee 83 Comparing the normal and zoomed display in mode 2 cee 83 Comparing the normal and zoomed display in mode 3 84 The active file name appears in the ID bar ssssssssssssssssssssssisssessessesserrensessessesne 87 Identifying datalogger parameters sssssesssssessesssssisseesesssesiestesesstenteseeseeseess 88 Example of the CREATE Screen socso isiin Riis 91 The CREATE screen for the incremental data file type eee 93 Selecting the ID range for the sequential file type 0 eeeeneeeees 94 Configuring ID range for a sequential with custom points data file type 96 General 2 D S1id exam ple nenin msenge ei iei E ra Ts 97 One grid for 75 identical parts sssssssssssssissestsstessesressesseeresressesseentereesessense 98 Differently named grid for each part s ssssssssessesssssississesssssiestesessennieseeseeseess 99 Configuring the ID range for a 2 D grid
184. sesneese 202 Appendix A Technical Specifications sesesesesesesesesesesesesesesesssesesesososososes 203 Appendix B Sound Velocities sesesesessesesososososososososesesesesesesesesesesesesssssssses 211 Appendix C Accessories and Replacement Parts ssscssesssssseeseseeees 215 List of Figures 5 scssids condita ciedacas ses ddesieais curse censavavstaaiaaventuassouedid Eaa eoSt erise sorae E eis 219 Listof Tables scpstecevsviecotsquncaisevsacensstusncssippatannayaceesa ie oie aa ee 223 Table of Contents vii DMTA 10022 01EN Rev A September 2012 TIN ON ross EERE ETTE EA R E E E ER E E E EEE DOD viii Table of Contents DMTA 10022 01EN Rev A September 2012 List of Abbreviations 2 D AEtoE AGC CSV DB DIAG DIFF EFUP ESS EXT FRP GB GRN HDPE HI ID LDPE LOS two dimensional automatic Echo to Echo automatic gain control comma separated variables database diagnostic differential environment friendly use period electronic stress screening extended fiber reinforced polymer gigabytes reen PE polyethylene i identification low density e loss of signa MAX MB MEtoE MIL MIN NiMH PDF PRF PVC SE STD SW TDG TFT TOF USB YEL maximum main ban manual Echo to Echo military minimum nickel metal hydride portable document format pulse repetition frequency polyvinyl chloride single element standard software time dependent gain thin film transistor liquid cryst
185. software installed in units using an activation code 45MG HP U8147023 Table 30 Accessories and replacement parts Description Part Number Carrying case 45MG CC U8764105 Protective rubber boot 45MG RPC U8779676 Gage stand 45MG GS U8780044 Chest harness 441 087 U8902895 Rectangular rubber boot rings 412 1061LF U8907259 45MG documentation CD 45MG MAN CD U8147024 45MG Getting Started Guide DMTA 10024 01EN U8778520 Interface program CD ROM standard GageView U8147006 Accessories and Replacement Parts 215 DMTA 10022 01EN Rev A September 2012 Table 30 Accessories and replacement parts continued Description Part Number Batteries Alkaline NiMH or lithium Table 31 Interface Cables and Power Accessories Description Part Number of instrument 6 ft 1 83 m USB cable connection on top EPLTC C USB A 6 U8840031 2 GB external MicroSD memory card MICROSD ADP 2GB U8779307 Table 32 Couplants Description Part Number Glycerin 2 oz 0 06 1 Couplant B 2 U8770023 Gel type 12 oz 0 35 1 Couplant D 12 U8770026 Ultratherm high temperature up to 1000 F Couplant E 2 U8770274 538 C 2 oz 0 06 1 Medium temperature up to 500 F 260 C 2 oz Couplant F 2 U8770141 0 06 1 Table 33 Test blocks Description Part Number 5 step 1018 steel 2214E U
186. ss readings per ID number location are assigned using the assigned custom points Use the sequential with custom point data file type when you want for example to measure along a pipe or tube on which at each ID number location you can take measurements at the top bottom left and right of the pipe see an example in Table 9 on page 95 Table 9 Resulting ID example for the SEQ CUSTOM PT file type START ID END ID Custom point Resulting IDs XYZ1267 XYZ1393 TOP XYZ1267TOP BOTTOM XYZ1267BOTTOM LEFT XYZ1267LEFT RIGHT XYZ1267RIGHT XYZ1268TOP XYZ1268BOTTOM XYZ1268LEFT XYZ1393RIGHT The allowable number of characters for each custom point depends on the number of ID characters defined in the start and end ID values The total number of characters of the ID value plus the custom points cannot exceed 20 For example when the start and end ID values are seven characters long as shown in the example in Table 9 on page 95 the maximum allowable length for each custom point is thirteen 20 7 13 To create a sequential data file with custom points 1 Inthe measurement screen press FILE and then select CREATE see section 6 7 2 on page 90 for details on the first parameters 2 At the bottom of the CREATE screen select CONTINUE 3 In the second page of the CREATE screen see Figure 6 20 on page 96 a Enter the START ID and END ID values b Enter two or more CUSTOM POINTS values Software Options
187. ssary select a different SORT BY parameter to change the way files are sorted in the file list b Inthe file list highlight the file you want to export c Set FILE to the desired file format e SURVEY FILE For import into GageView e EXCEL CSV For data to be opened in CSV text format in Microsoft Excel e EXCEL GRID CSV For data to be opened in grid format in Microsoft Excel e TEXT FILE For data to be opened in various Windows based programs 5 Select EXPORT The selected file is created in the following folder on the external MicroSD memory card OlympusNDT 45MG Transfer The instrument then automatically returns to the measurement screen FILE MEHU EXPORT SORT BY NAME El MODE THICKNESS CREATED 04 11 12 FILE EXPORT CAHCEL gt to select then ENTER or Figure 11 2 The EXPORT screen 11 3 2 Importing Survey Files from the External Memory Card It is possible to import a survey file from the external MicroSD memory card to the 45MG internal memory This function can be used in conjunction with the GageView interface program to import survey files that have been exported from GageView to a MicroSD card This feature allows you to import files into the 45MG while the instrument is in the field and cannot be connected to a computer 184 Chapter 11 DMTA 10022 01EN Rev A September 2012 To import survey files from the external memory card 1 Ensure that the Olympus
188. sseessecsseeesseeeees 78 6 4 2 About the Waveform Trace ccccccscccssecsssecsscesscessecesseceseecsesesseceseecseeeaseesees 80 6 4 3 About the Range of the Waveform Display s sssss sssssssssesrsrsessessssrerressesses 80 6 4 3 1 Selecting the Range Value snsssssssssessessessesesissessesseesiesessesseeseeseeses 81 6 4 3 2 Adjusting the Delay Value ssssssssssssssessesssssesissessessensissessesneeseesesses 82 6 4 3 3 Activating the Zoom Function Available Only with the Waveform Da HOM EA E E 82 Single Element and High Resolution Option ss ssssssssessessssssestssrenresressesrenseesesses 84 6 5 1 Recalling Single Element Transducer Setups s sssssesssseisesessesssssrreeresses 85 6 5 2 Creating Custom Single Element Transducer Setups ses ssssssssesiesesse 85 6 5 3 High Resolution Thickies Sristi inini tonei inen iia 85 High Penetration Software Option s sss s sesssssssssesersssessessessiesessissesntesiesiesesneenieneenet 86 Datalogeer Option s siistisi orir sise er ERs EE ETE Ea sn aani ni 86 67 1 About the Datalogger ccs siscciescscdcesecsesdecenessssgcesseveisnenseensbsheusbavesshetanevessbeai ees 87 6 7 2 Cr atinig a Data File ssi ccciscssae geeeitscukecxciescsassssaeessteensacebses abven debe ia 90 6 7 2 1 About Data File Ty Pes s stccssiesisccteses ninna n ai airneis 91 6 7 2 2 About the Incremental Data File Type 0 cece teeeees 91 6 7 2 3 About the Sequential Data File Type oo ccc ee eseeeeeeeneeee
189. sten S L o BOC Water 20 C 0 0580 1480 Zinc 0 164 4170 Zirconium 0 183 4650 References Folds D L Experimental Determination of Ultrasonic Wave Velocities in Plastics Elastomers and Syntactic Foam as a Function of Temperature Naval Research and Development Laboratory Panama City Florida 1971 Fredericks J R Ultrasonic Engineering John Wiley amp Sons Inc New York 1965 Handbook of Chemistry and Physics Chemical Rubber Co Cleveland Ohio 1963 Mason W P Physical Acoustics and the Properties of Solids D Van Nostrand Co New York 1958 212 Appendix B DMTA 10022 01EN Rev A September 2012 Papadakis E P Panametrics unpublished notes 1972 Sound Velocities 213 DMTA 10022 01EN Rev A September 2012 214 Appendix B DMTA 10022 01EN Rev A September 2012 Appendix C Accessories and Replacement Parts Table 29 Software Options Description Part Number Optional Echo to Echo amp THRU COAT installed in units using an activation code 45MG EETC U8147021 Optional Datalogger software installed in units using an activation code 45MG DL U8147020 Optional Waveform software installed in units using an activation code 45MG WF U8147019 Optional Single Element including High Resolution installed in units using an activation code 45MG SE U8147022 Optional Single Element amp High Penetration
190. t echo see section 10 8 1 on page 173 for details Press SAVE In the SAVE SETUP screen a b c If needed in the SAVE AS dialog box edit the setup name In the SAVE TO list select the desired custom setup location in which you want to save the setup Select SAVE Press MEAS to return to the measurement screen The saved setup becomes the active setup Quickly Adjusting Waveform Parameters For Single Element Transducers With single element transducers you can quickly adjust individual waveform parameters using the GAIN WAVE ADJ key To quickly adjust individual waveform parameters Ensure that a single element transducer is connected to the 45MG In the measurement screen press GAIN WAVE ADJ The waveform adjustment parameter appears above the thickness value on the measurement screen see Figure 10 2 on page 163 162 Chapter 10 DMTA 10022 01EN Rev A September 2012 ID co1 THK 0 489 e ooe SIOS B F f Waveform parameter Waveform parameter j e value 00 ET ria 50 0 274 SE H1 20Hz GAIN dB o Figure 10 2 Adjusting the waveform parameters Use the lt or 7 key to select the parameter that you want to adjust The choices are as follows e DET MODE see section 10 3 on page 164 for details e M3 BLANK in mode 3 only see section 10 8 3 on page 176 for details e IF BLANK in modes 2 and 3 only see section 10 8 2 on page 174 for details e ECHO 2 DE
191. t of Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Content of the rating plate label oo cece cccssesesescseeseesescseseseseecsseeseeceeees 3 Keypad functions sssaaa a Ea E R E E a E 21 45MG software OPtONS creirai eeri in E RE EEEE E S R a 65 Recommended transducers for various steel thickness ranges s sse ss1 1 73 File COMbENES summary oe neeaae tadosgvenens r RAEE ER A 88 Additional information stored with the data cccccccsccssecssecssseeeecsseeesseeeees 89 Resulting ID examples for the INCREMENTAL file type 00 92 Resulting ID examples for the SEQUENTIAL file type oo eeeeeeeees 94 Resulting ID example for the SEQ CUSTOM PT file type 0 95 Resulting ID example for the BOILER file type oo ccc cece ee eeeeeee 101 File data mode stored measurements ccccscssscescessessceeseeseescessecsecssecsecsseenees 102 Polarity Of eChOSS srno iiie A erste vstetingnegsberonatersiervaieetenageetenanebpeseoines 174 Default communication parameter values c ccccseceeeseseseseeteteeeceeesesesnenens 190 Measurement default settings ccceccesesesteeseseesetescecenenesesesnsnsseseeceeesesssnenens 195 Default communication settings cce se csesesee este cssseeeeteseeseseeeteteseseeee
192. t the Time Dependent Gain Curve see section 10 6 on page 168 e About the Main Bang Blank see section 10 7 on page 170 e About the Echo Window see section 10 8 on page 172 e Saving Setup Parameters see section 10 9 on page 177 e Quickly Recalling a Custom Setup for Single Element Transducers see section 10 10 on page 178 About Custom Setups for Single Element Transducers 159 DMTA 10022 01EN Rev A September 2012 10 1 Creating a Custom Setup for a Single Element Transducer A custom setup should be created when the measurement requirements of a particular application are not optimally met by one of the standard setups Once the adjustments are made you can name and store this setup in one of the 35 user defined setup locations A CAUTION The adjustments described in the following procedure and subsections should be made only by a qualified technician who is familiar with the basic theory of ultrasonic gaging and the interpretation of ultrasonic waveforms Many of the adjustments that can be made in a setup are interactive All adjustments have an effect on the measurement range and or measurement accuracy of the 45MG In most cases do not attempt adjustments without monitoring the waveform Additionally when establishing a custom setup for a specific application it is essential to verify the performance on reference standards representing the materials and thickness range to be measured To create a custom se
193. t types Dual LEMO with center pin IP67 Battery operating time For continuous measurement at an update rate of 4 Hz with the backlight set to 20 Alkaline nonrechargeable 20 21 hours NiMH externally rechargeable 22 23 hours Lithium nonrechargeable 35 36 hours Operating temperature 14 F to 122 F 10 C to 50 C Battery storage temperature 4 F to 104 F 20 C to 40 C Battery indicator Five step battery charge level indication Pulse repetition frequency PRF 1 kHz burst Measurement rates 4 Hz 8 Hz 16 Hz and Fast or Max up to 20 Hz Alarm indicators Visual high alarm and low alarm indicators with audio tone Thru coating Echo to echo and THRU COAT measurements Technical Specifications 203 DMTA 10022 01EN Rev A September 2012 Table 17 General EN15317 Specifications continued Parameter Value Minimum and maximum thickness Single element 0 004 in to 25 0 in 0 1 mm to 635 0 mm Dual element 0 020 in to 25 in 0 5 mm to 635 0 mm Note The exact thickness range depends on the transducer type and measurement mode used Table 18 Display EN15317 Specifications Parameter Value Type Color graphical TFT LCD 320 x 240 pixels Size Height x Width Diagonal 1 62 in x 2 15 in 2 70 in 41 15 mm x 54 61 mm 68 58 mm Table 19 Transmitter EN15317 Specifications Parameter Value
194. ted ID is not in the database Software Options 115 DMTA 10022 01EN Rev A September 2012 7 Press SAVE with or without an active measurement to make the edited ID a permanent part of the database The sequence resumes at the previous active ID 6 7 6 3 Erasing Data in the Active File A CAUTION Data erased using the following techniques CANNOT be recovered To erase a single measurement 1 Inthe measurement screen press 2nd F FILE ID The ID review screen appears and shows the active ID with its stored data 2 Select the ID to be erased see section 6 7 6 1 on page 114 and then press MEAS 3 Press SAVE when not getting a reading to save and then erase the single reading ID The displayed ID changes to the next ID in the sequence TIP The easiest way to replace a thickness reading is to save a new measurement at the desired ID in the measurement screen If you do not want to save a measurement at a specific ID press SAVE in the measurement screen when you are not taking a measurement This stores an LOS condition and at the specific ID number 4 Press MEAS to return to the measurement screen NOTE When a measurement stored in incremental files is deleted the ID is also deleted In all other file types only the thickness and waveform data is deleted 116 Chapter 6 DMTA 10022 01EN Rev A September 2012 6 7 7 Generating Reports The 45MG can generate ins
195. ted as follows Change the active ID to quickly jump to an existing ID This is useful when you are using a large file and it would take too long to locate the desired ID using the arrow keys Change the active ID to a new ID that does not yet exist in the file This mode is useful when you want to include additional measurement points in the active file Additional IDs can be added anywhere in the database beginning middle and end NOTE No stored data is shown while the ID is being edited To use the ID edit mode 1 Open the file containing the ID you want to edit an ID see section 6 7 4 1 on page 104 114 Chapter 6 DMTA 10022 01EN Rev A September 2012 In the measurement screen press 2nd F FILE ID Select the ID you want to edit see section 6 7 6 1 on page 114 Press 2nd F FILE D again and then edit the ID value see Figure 6 37 on page 115 DE STD GAIN dB t to select char command then ee Figure 6 37 Editing the ID edit mode Press MEAS to return to the measurement screen with the new active ID When the edited ID is not in the database the help text bar message shown in Figure 6 38 on page 115 appears Select INSERT to insert the new ID in front of the active ID OR Select APPEND to add the new ID to the end of the file ID co1Aa THK IN R F 0 00 ID REVIEW 0 20 SE H1 GAIN dB ID not found INSERT APPEND MHTHae Figure 6 38 The message when the edi
196. terials is often distorted or lost in the interface echo With some challenging geometries such as tight radii later pairs of back wall echoes may be cleaner than early ones In such cases set the interface blank to a length that ensures detection of a clean and well defined pair of back wall echoes even if the echoes are not the first two About Custom Setups for Single Element Transducers 175 DMTA 10022 01EN Rev A September 2012 1D B04 0 294 MDB y TK 02 EE 107 D EAn EAn 1 57 1 07 ME Bm ee 0 097 FD 097 SE M3 20Hz GAIN dB SE M3 20Hz GAIN dB Gage reading between back Interface blank adjusted so the gage measures wall echoes 1 and 2 between back wall echoes 2 and 3 Figure 10 15 Examples of the interface blank in mode 3 10 8 3 About the Mode 3 Echo Blank The echo blank in mode 3 M3 BLANK is similar to the interface blank in mode 2 or to the main bang blank in mode 1 This function creates a blank or dead zone up to 20 us long following the leading edge of the first detected back wall echo in order to prevent detection of trailing lobes or cycles of that echo and the resulting gage hang up see Figure 10 16 on page 176 HID B04 THK 0 294 EMD THK 0 294 R keee i poems eee 1 07 H3 BLANK BLANK 07 CE 0 013 O13 BKI 208r SE H3 20Hz GAIN dB SE M3 20Hz GAIN dB Gage hanging up on trailing edge of back wall 1 M3 BLANK set properly Figure 10 16 Examples of M3 Blank ad
197. tes a high alarm condition There are three different alarm modes STANDARD B SCAN and REDUCTION RT STANDARD The standard alarm warns you when the actual measured thickness is below a low reference value or above a high reference value The reference values are thickness set points using the current instrument units and resolution NOTE The B SCAN and REDUCTION RT alarms are only available when the B scan or reduction rate DIFF mode are activated These functions must be turned on first before the BSSCAN and REDUCTION RT alarms can be activated B SCAN The B scan alarm mode is similar to the standard alarm mode except that in the B scan alarm mode lines are shown in the B scan grid when the reference values fall within the B scan thickness range see Figure 7 5 on page 129 In addition the alarms are operational while you review B scan thicknesses in the B scan freeze review mode JID BO4 THK 0 100 Red alarm limits _ 0 50 WIN 0 100 in DE STD Fast ALARH GAIN dB Figure 7 5 Example of a B scan alarm mode Using Special Functions 129 DMTA 10022 01EN Rev A September 2012 NOTE The thickness value and the alarm indicator only appear in color when the indoor color scheme is active see section 4 4 1 on page 45 to change the color scheme REDUCTION RT The REDUCTION RT option only appears when the active file is configured with FILE DATA MODE set to REDUCTION RT You set the reductio
198. the Dio O 1 DEE E A AE O E EE E A ue la ees 147 931 ISIN the B Scano anan OR E E A EN 150 9 3 2 Using the B Scan Alarm Mode ss sssssssssssessssssssissessesssesieseesensnnstenresenseesees 151 9 3 3 Saving B Scans or Thickness Readings Optional Datalogger 151 94 About the DB Grid a cerca eee ao es vse ev eh 153 9 4 1 Activating and Configuring the DB Grid oo ete eeeeeeeeeees 154 9 4 2 Changing the Highlighted Cell in the DB Grid oo eee 156 9 4 3 Saving Thickness Readings in the DB Grid s s ss ssssssssessssessrssesterressesses 157 9 4 4 Viewing an Inserted or an Appended Cell in the DB Grid 000 158 10 About Custom Setups for Single Element Transducers 000 159 10 1 Creating a Custom Setup for a Single Element Transducer cccceseeeeeees 160 10 2 Quickly Adjusting Waveform Parameters For Single Element Transducers 162 10 3 About the Detection Modes cccccccsssscssscessecessecssceeseceseessecescesseseaeceseecssseeseenes 164 10 4 About the First Peak ne mioni rA T R A a 166 10 5 About the Pulser Power ccccccccscccsssssssesssceesecessecsscecsecesseesaeceseecessesaeceseecsseeeseeses 167 10 6 About the Time Dependent Gain Curve s ss sssesessesssesiesesseeseesiesisseessssressenteseess 168 10 6 1 About the Maximum Gain oo ccccccccccsccsssecssscescecsseecsecescecseeeesscessecsseeesseeses 169 10 6 2 About the Initial Gain n ne a aa aiaa aa iS 169 10 6 3 Ab utth TDG Slop scss
199. then select DISPLAY 2 In the DISPLAY screen see Figure 4 4 on page 44 set the COLOR SCHEME to INDOOR or OUTDOOR 3 Press MEAS to return to the measurement screen ID A01 THK 0 298 ID A01 THK 0 298 F u L L We ae 0 00 1 00 0 00 1 00 in 0 a 1 g2 in DE STD Fast GAIN dB DE STD Fast in dB Indoor color scheme Outdoor color scheme Figure 4 5 Example of the indoor and the outdoor color schemes The indoor scheme gives the best visibility when the instrument is used indoors or in low light conditions The indoor scheme displays green characters and waveform trace on a black background The outdoor scheme provides the best visibility when the instrument is used in direct sunlight The outdoor mode displays black characters and waveform trace on a white background For best readability in this document most screen captures are shown in the outdoor color scheme Initial Setup 45 DMTA 10022 01EN Rev A September 2012 NOTE Colored measurement values corresponding to specific alarm conditions only appear when the indoor color scheme is selected 4 4 2 About Display Brightness The 45MG display brightness can be adjusted by selecting the backlight intensity The display brightness can be set in 5 increments from 0 to 100 Choosing a high percentage increases the brightness of the display By default the display brightness is set to 20 To set the display brightness Inthe measu
200. tion to return all communication parameters to their default values see section 11 5 on page 190 and then reconfigure only those communication parameters that are needed 11 3 Exchanging Data with a Remote Device It is possible to exchange 45MG data with a remote device such as a computer NOTE Data transmitted from the 45MG remains in the 45MG internal memory 11 3 1 Exporting a File to the Memory Card Datalogger Option Only The 45MG has the ability to export files from the internal memory to the external MicroSD memory card Files can be exported in CSV comma separated variables text space delimited or survey used by the GageView interface program format A MicroSD card reader can then be used to open these files in Microsoft Excel or any other program directly on your computer Survey files can be imported into GageView from the MicroSD card reader To export files to the external memory card 1 Ensure that a MicroSD memory card is inserted in the designated slot under the battery door of the 45MG see Figure 1 4 on page 20 2 Ifyou inserted the MicroSD memory card when the 45MG was already turned on turn off and restart the 45MG to force it to recognize the presence of the memory card 3 Inthe measurement screen press FILE and then select EXPORT Managing Communications and Data Transfer 183 DMTA 10022 01EN Rev A September 2012 4 Inthe EXPORT screen see Figure 11 2 on page 184 a If nece
201. tom single element transducer setup a 2nd F gt to recall the second custom single element transducer setup ae 2nd F v to recall the third custom single element transducer setup Press 2nd F 4 to recall the fourth custom single element transducer setup NOTE This feature only works when a single element transducer is plugged into the 45MG and the single element transducer option has also been purchased About Custom Setups for Single Element Transducers 179 DMTA 10022 01EN Rev A September 2012 180 Chapter 10 DMTA 10022 01EN Rev A September 2012 11 Managing Communications and Data Transfer This section describes the process through which the 45MG communicates with a computer to send receive import and export files The 45MG comes standard with a USB cable for communication using the USB 2 0 protocol 11 1 About GageView GageView is the Olympus interface program designed to communicate with instruments such as the 45MG GageView provides the capability to create inspection database files upload and download data files and generate reports Olympus recommends using GageView to communicate with the 45MG and to manage 45MG data GageView is compatible with Windows XP Windows Vista and Windows 7 For more details refer to the GageView Interface Program User s Manual P N 910 259 EN U8778347 11 2 Setting Up USB Communication The communication protocol for the 45MG is USB 2
202. tup for a single element transducer Connect the single element transducer to the 45MG see section 5 1 on page 49 Press 2nd F FREEZE XDCR RECALL In the menu select the CUSTOM SINGLE ELEMENT In the CUSTOM SINGLE ELEMENT screen select the desired custom setup location SE USER n in which you want to save the custom setup te ore Nie TIP To reduce the number of changes needing to be made to parameter values you can also select an existing single element setup with parameter values that are close to the desired setup 5 Inthe ACTIVE screen see Figure 10 1 on page 161 a Set DET MODE to the desired detection mode see section 10 3 on page 164 for details 160 Chapter 10 DMTA 10022 01EN Rev A September 2012 RECALL MENU MSO DET MODE MODE 2 Ss so SETUP NAHE DEFM2 10 0 H202 MEAS TYPE STANDARD PROBE TYPE H202 YELOCITY 0 2260 IH us ZERO YALUE 600 0 PULSER POWER 200 OLTS HAX GAIN 67 9dB xj gt to select then ENTER or Figure 10 1 The ACTIVE screen for the setup of a single element transducer b Enter a SETUP NAME that describes the transducer and or the application to be used to create the setup c Set MEAS TYPE to the desired measurement type The available choices are e STANDARD For normal mode 1 2 or 3 positive or negative peak measurement e FIRST PEAK For detection of the first of several peaks of similar amplitudes see section 10 4 on page 166 for detail
203. ull it out Do not throw or drop the instrument Do not use strong solvents or abrasives to clean the rubber boot case keypad or display screen Cleaning the Instrument First clean the instrument with a dry damp cloth If necessary use a wet damp cloth with a mild detergent to wash the instrument Dry the instrument before using it 12 3 Maintaining Transducers The ultrasonic transducers used with the 45MG are rugged devices that need little care However they are not indestructible and some attention to the following items result in a longer lifespan Take high temperature measurements only with suitable high temperature transducers Standard transducers can be damaged or destroyed if brought into contact with surfaces hotter than approximately 125 F 52 C Cutting pinching or pulling the cables causes damage to them Take care to prevent mechanical abuse to the cables Never leave a transducer in any area where there is a risk that a heavy object could be placed on the cable Never remove a transducer from the gage by pulling on the cable pull on the molded connector only Never tie a knot in the transducer cable Do not twist or pull the cable at the point where it connects to the transducer Excessive wear at the tip of the transducer degrades its performance To minimize wear do not scrape or drag the transducer across rough surfaces Operation of the transducer may become erratic or impossible in the event that a
204. ure of test piece 60 custom setups 160 D danger notes electric shock 1 data erasing in active file 116 exchange 183 saving 64 data file 2 D grid 96 boiler 100 creating 90 incremental 91 sequential 93 sequential with custom points 95 datalogger about the 87 file based system 87 226 Index DMTA 10022 01EN Rev A September 2012 file based system 63 functions 17 date setting 42 DB grid about the 153 activating and configuring 154 changing the highlighted cell 156 saving readings 157 viewing inserted cell 158 DE AEtoE indicator 68 default file 64 delay 80 adjusting value 82 deleting a character 40 all files 110 file or content 108 range of IDs 109 DE MEtoE indicator 69 DE STD indicator 68 detection modes 164 detection of echo 1 and 2 173 diagnostic test 198 differential mode 123 display brightness 44 46 changing settings 44 options 16 documentation CD 15 doubling 73 download indicator 32 dual element transducer connector 19 selection for Echo to Echo modes 72 zero compensation 52 56 E E1 blank adjusting 71 description 71 eccentricity or taper 60 echo detection mode 67 changing 70 echo window 172 Echo to Echo mode blanking adjustments 71 editing file 106 ID 114 value with traditional method 39 value with virtual keyboard 38 electric shock danger note 1 EMC directive compliance 12 enabling THRU COAT 74 English keypad 21 entering known material sound velocity 58 environmental rating
205. us 0 381 SE H1 4Hz GAIN dB Figure 10 8 The TDG zones and parameters The TDG curve can be used to optimize near surface resolution while providing a higher maximum gain for thicker samples You can also use the TDG curve in measurements of highly scattering materials such as cast metals and fiberglass in order to minimize detection of scattered echoes occurring ahead of the back wall echo 168 Chapter 10 DMTA 10022 01EN Rev A September 2012 10 6 1 About the Maximum Gain The maximum gain indicates the maximum time dependent receiver gain possible The maximum gain is used to amplify echoes that are further out in time In general for any given application the maximum gain should be set high enough that all echoes of interest are detected The maximum available receiver gain can be adjusted from 0 0 dB to 99 0 dB When no echo is detected LOS prompt the gain rises to the maximum level set by the initial gain slope and maximum gain When the maximum gain is set too high the gage may hang up on transducer noise or other spurious signals when it is set too low returning echoes may not be high enough for detection NOTE The max gain can never be lower than the initial gain and has a maximum value of 99 0 dB 10 6 2 About the Initial Gain The initial gain sets an upper limit on receiver gain in the vicinity of the excitation pulse mode 1 or the interface echo modes 2 and 3 By effectively making the
206. variety of causes such as composition preferred crystallographic orientation porosity and temperature Therefore for maximum accuracy when establishing the sound velocity in a given material first test a sample of the material Table 28 Sound velocities in common materials Material V in us V m s Acrylic resin Perspex 0 107 2730 Aluminum 0 249 6320 Beryllium 0508 12900 Brass naval 0 174 4430 Copper 0 183 4660 Diamond 0 709 18000 Glycerin 0 076 1920 Inconel 0 229 5820 Iron Cast slow 0 138 3500 Iron Cast fast 0 220 5600 Iron oxide magnetite 0 232 5890 Lead 0 085 2160 Lucite 0 106 2680 Molybdenum 0 246 6250 Motor oil SAE 20 30 0 069 1740 Sound Velocities 211 DMTA 10022 01EN Rev A September 2012 Table 28 Sound velocities in common materials continued Material V in us V m s Nickel pure 0 222 5630 Polyamide slow 0 087 2200 Nylon fast 0 102 2600 Polyethylene high density HDPE 0 097 2460 Polyethylene low density LDPE 0082 2080 Polystyrene 0 092 2340 Polyvinyl chloride PVC hard 0 094 2395 Rubber polybutadiene 0 068 1610 Silicon 0 379 9620 Silicone 0 058 1485 Steel 1020 0 232 5890 Steel 4340 0 230 5850 Steel 302 austenitic stainless 0 223 5660 Steel 347 austenitic stainless 0 226 5740 Tin 0 131 3320 Titanium Ti 150A 0 240 6100 Tung
207. ve b Select ACTIVATE 5 Restart the instrument to complete the activation 6 2 About Echo Detection Modes with Dual Element Transducers With dual element transducers the 45MG offers three echo detection modes that allow you to measure thicknesses in various material conditions A description of each of the three echo detection modes STANDARD optional AUTO E TO E and MANUAL E TO E follows STANDARD The standard echo detection mode measures the thickness based on the time of flight between the main bang and the first back wall echo Use this mode for uncoated materials Software Options 67 DMTA 10022 01EN Rev A September 2012 The DE STD indicator appears to the left of the thickness reading and a triangular echo detection marker appears at the back wall echo below the waveform display see Figure 6 2 on page 68 BJD yAO1 THK 0 298 HID sagt THK 0 298 ae Z 0 10 in 0 00 0 50 0 a 1 00 in DE STD Fast GAIN dB DE STD Fast GAIN dB l l Echo detection marker Dual element DE standard STD echo detection mode Figure 6 2 Measuring with the standard echo detection mode AUTO E TO E Optional The automatic Echo to Echo detection mode measures the thickness using the time of flight between two consecutive back wall echoes Use this mode for painted or coated materials because the time interval between consecutive back wall echoes excludes the time of flight through a paint resin o
208. ve atmosphere MIL STD 810G Section 511 4 Procedure I Shock test MIL STD 810G Section 516 5 Procedure I Vibration test MIL STD 810G Section 514 5 Procedure I Drop test MIL STD 810F Section 516 5 Procedure IV Transit Drop Technical Specifications 205 DMTA 10022 01EN Rev A September 2012 Table 23 Measurement specifications Parameter Value Measurement modes V path correction Standard dual element Time between excitation pulse and first back wall echo using dual element transducer Dual Echo to Echo Time between successive back wall echoes using dual element transducers THRU COAT Time between excitation pulse and first back wall echo while ignoring or displaying a coating thickness Mode 1 Time between excitation pulse and first echo following a blank period using contact transducers Mode 2 Time between the interface echo and the first back wall echo Normally used with delay line or immersion transducers Mode 3 Time between a pair of back wall echoes following the interface echo Normally used with delay line or immersion transducers Automatic dependent on transducer type Measurement resolution Selectable from the keypad LOW 0 01 in 0 1 mm STD 0 001 in 0 01 mm HI 0 0001 in 0 001 mm with the High Resolution option Not all resolutions are available for all measurement modes Material sound velocity range 0 0200 in u
209. view these values use the measurement screen and use the datalogger functions Anytime a user attempts to use a locked function a message appears in the help bar to indicate that the function is locked see Figure 7 8 on page 133 132 Chapter 7 DMTA 10022 01EN Rev A September 2012 0 00 2 00 a in XDCR RECALL LOCK ON _key locked Figure 7 8 Example of a locked function message in the help bar To set the password 1 Inthe measurement screen press SETUP and then select PASSWORD 2 Inthe PASSWORD screen see Figure 7 9 on page 133 enter your password using up to eight alphanumeric characters IMPORTANT If you forget your password you can unlock the instrument and deactivate the password by entering the master password OLY45MG To change the password you must first use the master password to deactivate the password and then set a new password 3 Select DONE to activate the instrument lock and return to the measurement screen SETUP_WENU PASSHORD t to select char command then ENTER t ENTER 2ndF ENTER 2ndF Figure 7 9 The PASSWORD screen Using Special Functions 133 DMTA 10022 01EN Rev A September 2012 To lock and unlock instrument functions In the measurement screen press SETUP and then select LOCKS 2 Inthe LOCKS screen see Figure 7 10 on page 134 a Ifa password was set enter the password in the ENTER PASSWORD text box b Set
210. which it returns to the measurement screen 186 Chapter 11 DMTA 10022 01EN Rev A September 2012 11 4 Capturing Screen Images It is possible to save a screenshot of the full 45MG screen contents to an image file This function is useful when you need an exact replica of the display for reporting or documentation purposes and can be performed using one of the following two methods e Sending a Screen Capture to GageView see section 11 4 1 on page 187 e Sending a Screen Capture to the External MicroSD Card see section 11 4 2 on page 189 11 4 1 Sending a Screen Capture to GageView It is possible to send the full 45MG screen contents to the GageView interface program Refer to the GageView Interface Program User s Manual P N 910 259 EN U8778347 for information on how to install and use GageView To send a screen capture to GageView 1 Set the USB communication parameters and then connect the 45MG to the computer see section 11 2 on page 181 On the 45MG select the screen that you want to capture On the computer start up GageView 4 In GageView the following tasks are only to be performed the first time you connect the 45MG to GageView on this computer a Onthe GageView menu select Device gt Config b Inthe Device Configuration dialog box see Figure 11 4 on page 188 1 In the Device List select 45MG and then click Add 45MG USB appears in the Current Configured Devices list 2
211. ximum gain as quickly as possible without causing the gage to hang up on spurious signals The slope can be set from 0 0 dB us to 39 95 dB us 10 7 About the Main Bang Blank The main bang blank is effectively a blank zone that protects the receiver from false readings generated by the main bang This blank or dead zone up to 18 microseconds from the excitation pulse prevents the trailing edge echoes of the excitation pulse from being detected as back wall or interface echoes The end of the main bang blank indicates the point in time at which the gage begins to search for echoes In general set the main bang blank just beyond the point at which the gage hangs up and then proceed to test with the transducer both coupled to and uncoupled from the test material in order to ensure accurate measurements In mode 1 however the length of the main bang blank determines the minimum thickness that can be measured and must therefore be positioned with care after selecting the initial gain level see Figure 10 9 on page 171 When the main bang blank is too short the instrument hangs up on the excitation pulse and readings are not possible When the main bang blank is too long the minimum measurable thickness is unnecessarily restricted When using immersion transducers ensure that the main bang blank is always set before the interface echo from the shortest water path 170 Chapter 10 DMTA 10022 01EN Rev A September 2012 Main bang bla
212. y sending remote commands that mimic keystrokes b In OUTPUT FORMAT select the format of the data being output F1 F2 F3 F10 Configuring the Instrument 141 DMTA 10022 01EN Rev A September 2012 NOTE Contact Olympus for more information on the following communication parameters c d e Multi and single character remote commands Send formats F1 F2 F3 F4 F5 F6 F7 F8 F9 and F10 Set B SCAN OUTPUT to ON to output the B scan data when communicating with the GageView interface program Set it to OFF when communicating with other interface programs that do not support the B scan data This parameter only applies to files that have stored B scan images Set FTP OUTPUT to 45MG in order to use the 45MG file protocol OR Set FTP OUTPUT to 38DLP in order to use the 38DL PLUS file protocol OR Set FTP OUTPUT to MG2 to use the MG2 file protocol Set OUTPUT TYPE to FTP for communication with the GageView software using the standard file transfer protocol OR Set OUTPUT TYPE to CSV to output in a generic comma separated variables CSV format which can be integrated into custom software COMM PROTOCOL MULTI CHAR OUTPUT FORKAT a B SCAN OUTPUT OFF FIP OUTPUT 45WG to select then ENTER or Figure 8 3 The COMM screen 142 Chapter 8 DMTA 10022 01EN Rev A September 2012 9 Using Advanced Gaging Features The 45MG has many advanced thickness measurement features that contr
213. y without performing a material sound velocity calibration procedure To enter a known material sound velocity 1 Inthe measurement screen press 2nd F CAL VEL VEL 2 Inthe VELOCITY screen see Figure 5 9 on page 58 use the arrow keys to edit the velocity to the known value ENTER ELOCITY ALUE in us Then press MEAS or ENTER HMove f Select MEAS Done l Figure 5 9 Entering a known material sound velocity 3 Press MEAS to return to the measurement screen 5 2 6 About Locked Calibrations The 45MG includes a password protected locking function to prevent changes to setups and prevent access to certain functions A change to the calibration is one action that can be locked In such case the message shown in Figure 5 10 on page 59 appears momentarily on the help text bar see section 7 5 on page 132 for details 58 Chapter 5 DMTA 10022 01EN Rev A September 2012 0 289 Message CAL LOCK ON Key locked Figure 5 10 The calibration lock message 5 2 7 Factors Affecting Performance and Accuracy The following factors affect the performance of the instrument and the accuracy of the thickness measurements Calibration The accuracy of any ultrasonic measurement is only as good as the accuracy and care with which you calibrate the instrument The 45MG ships from the factory with standard setups for a number of transducers and applications In certain cases it may be desi

45MG – Ultrasonic Thickness Gage

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45MG &ndash; Ultrasonic Thickness Gage

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45MG – Ultrasonic Thickness Gage