User`s Manual in PDF
Contents
1. 7 e gt um P Q B 8 L3 VIEW A A 2 PIN MALE CONNECTOR VIEWED FROM SOLDER SIDE PIN A CURRENT LOOP PIN B CURRENT LOOP MS3510E Connections Figure 3 MS3510E Current Loop Termination The loop should be powered by 10 24 VDC For hazardous applications an appropriate Zener barrier should be installed in the loop or power should be supplied from an intrinsically safe repeater power supply Typical hazardous installation is shown on page 49 D Probe Instrument Connection The MS3500E 3510E can be mounted directly onto an ER probe or onto an HA700110 5 probe adaptor in the case of a retrievable probe used in a two inch high pressure access fitting see Figure 12 p 41 However in many instances it is either inconvenient or undesirable to mount the instrument directly onto the probe For these circumstances a 546810 ten foot extension cable is provided The extension cable has integral connectors with a guiding keyway to ensure correct pin alignment when attached The female connector MS3106E 145 65 mates with the probe or HA700110 5 probe adaptor and the male connector mates with the central terminal on the base of the MS3500E 3510E unit The length of the extension cable has been carefully determined so as to avoid excessive signal noise Longer extension cables should only be employed after consultation with Metal Samples The extension cable provided2. 0 to 50 C Storage Temperature 4 to 158 F 20 to 70 C Performance Data Measurement Type ER measurement using any standard ER probe type Wire Loop Tube Loop Cylindrical Flush Strip etc Range 0 1000 digits representing 0 100 of probe life Resolution 1 digit Cycle Time 1 Hour to 99 Days Electrical Data Power Requirements Six 1 5V AA Batteries Max Probe Cable Distance Output Specifications Special Features Microprocessor based electronics 10 ft 3 05 m RS 232 Output in Comma Delimited ASCII Text Format 4 20mA Current Loop Output MS3510E Only Class I Division 1 Groups A B C and D Temperature Code T3C Class I Zone 0 Group IIC T3C LISTED 000750 Conforms to ANSI UL Std 913 Data storage capacity of 3100 poem de with battery backu Menu driven interface using a 2 key Low battery detection Accessory Items eypad and a 2 line LCD display 10 Probe Cable Meter Prover Communications Cable and Connector Current Loop Connector MS3510E only Operation Manual 41 Appendix B Testing the MS3500E MS3510E with the ER Meter Prover An ER Meter Prover is provided to allow routine checks of the MS3500E MS3510E instrument The ER Meter Prover simulates a Wire Loop type ER probe at a fixed value which is printed on the Meter Prover label as shown below aa ER Meter Prover Serial Number Dort ire Reading L 52 __ The Meter Prover can be used to test th
3. Data The data table can be printed by clicking Print in the Options menu A print dialog box will be dis played to allow printer selection and setup 20 Creating A Chart To chart the selected data click the Chart Data button or select Chart Data from the Options menu The chart willbe displayed in a new window Prsbe HD 1000 Probe Type Wire Loop Printing a Chart A chart can be printed using the Print Chart option in the File menu A print dialog box will be dis played to allow printer selection and setup Exporting a Chart A chart can be exported to other applications using the Copy Chart option in the File menu This will copy both the chart and the raw data to the Windows Clipboard The chart can then be inserted into other applications using the Paste function Note In some applications using the Paste function will insert the raw data instead of the chart In this case use the Paste Special function then select Picture to insert the chart Chart Tools e Statistical Data The Statistical Data tab at the bottom of the Data Chart window will display a page with statistical information about the chart data If the Statistical Data page is visible this information can be printed by clicking Print Statistical Data in the File menu 21 Finding A Data Points Value While viewing the chart the value of any data point can be determined by simply clicking it The value will be displayed in the charts tool tip box
4. E E SEE 16 1 Upload to PC u e 16 2 Upload THINS EAU u uuu p PES 25 G System Shutdown PU ON eects adda uawan ii a sss 26 H Test Mode at 1 210 5 eee u ne Po o dd qasaqa u ha nn PRU MC eer 26 I Data Interpretation aoi naqa i Eiaeia i bre qasa 27 1 Probe oup 27 2 Metal LOSS berere rE E oo 28 EXER gc UI uu uu NR 28 4 4 20MA Output P 29 IV ER Techniques General u s s u s SSS as Shan Ga huu 30 A Measurement Theory tco bi apassnasqasayss tasca qasan RM d ieee 30 B ER Sensing EB lement _ y pti pnto pei edocti ieoor ende EEEE tuv paces eva aane 32 C ER Element Per Omi eee Uu an dean uideri EAEE EEEE EEEE 34 LEE ER Probe Body We aecenas ie tttiten tec nOn stem EN UA UU UIS Ee DANA A EEG 38 Appendix A MS3500E Specifications 41 Appendix B Testing the MS3500E MS3510E with the ER Meter Prover 42 Appendix C MS1500E Select Probe ID u seven ancesendeelavuetanatecacceds sued ancascncdabtvades 44 Appendix D Returning an Instrument for Repair n n a 47 Appendix E Warranty 3382 sorgrin serende renses ere eee uenia que utu i D oce pon equ 49 Appendix F Installation Drawing of MS3500E in Hazardous Location 50 I Introduction A Instrument Function Overview The MS3500E 3510E Data Logger
5. the screen and KEY 1 will then resume the logging process H Test Mode Function The test mode function is used for factory trouble shooting of faulty instruments returned for repair and in initial quality assessment of newly manufactured instruments This function is not required for normal instrument operation 26 I Data Interpretation The MS3500E supplies corrosion data in several formats e Probe Reading Probe Life Units Metal Loss Corrosion Rate 4 20 mA MS3510E 1 Probe Reading This information is available through the MEASURE PROBE see p 13 menu for current reading and through the VIEW STORED DATA see p 14 for historical readings The probe reading commonly known as probe life units PLU is an integer between 0 1000 and represents the percent age of the effective probe element thickness consumed since the probe was inserted into the corrosive system This value is most commonly used to calculate metal loss and or corrosion rate as shown below XxK 1000 mmn 1 X X x K x 365 NN Mur n M 2 1000 x T ML METAL LOSS IN MILS X INSTRUMENT READING AT ANY GIVEN TIME X INSTRUMENT READING AT TIME t X INSTRUMENT READING AT TIME t T TIME LAPSE DAYS BETWEEN READINGS X AND X CR CORROSION RATE IN MILS PER YEAR K PROBE CONSTANT Table 1 gives probe constants for most common probe element geometries 27 Element Geometry KFactor Tabl
6. to as low as once every 2 475 hours The reading frequency is set on the screen as days two digits and hours two digits The default reading is 1 per hour Each digit is selected by a KEY 1 scroll and individually entered with KEY 2 Once the last hour digit is entered the next screen will be displayed which shows the reading frequency as entered which can then be accepted KEY 2 or rejected KEY 1 If accepted the screen will revert to the MEA SURE PROBE function screen and the user can proceed to the START DATA LOGGING func tion If rejected the screen will also revert to the MEASURE PROBE function screen but the user is 11 now required to access the PROBE ID function and reset correct the probe ID the element ID and the reading frequency prior to commencing with the data logging process Upon entry of the probe element ID the screen will automatically change to the data collection rate screen This allows the user to select the frequency with which the probe should be read This can be set in hourly increments from as high as once per hour to as low as once every 2 475 hours The reading frequency is set on the screen as days two digits and hours two digits The default reading is 1 per hour Each digit is selected by a KEY 1 scroll and individually entered with KEY 2 Once the last hour digit is entered the next screen will be displayed which shows the reading frequency as entered which can then be accep
7. will mate directly with any Metal Samples ER probe or those of any other major manufacturer or with an HA700110 5 probe adaptor in the case of retrievable probes E Data Download Connection To download data from the MS3500E to a PC use the Optilink Cable and Serial Port Adaptor Note Do NOT plug the phone jack on the end of the Optilink Cable directly into your PC s modem If a serial port is unavailable on your PC and you wish to connect the MS3500E to your PC via a USB port you may use a serial to USB converter This converter is not included with the instrument but may be purchased serparately at major electronics retailers To download data from the MS3500E to a MS1500E connect the Optilink Cable directly to the MS1500E Detailed instructions of data downloading are given on p 16 UPLOAD TO MS1500 cm a UPLOAD TO PC SAFE AREA ONLY 2 Metal Samples j ws1soor eu Sampos M wn M53510E PORTADAPTER SERIAL TO USB I ADAPTER OPTIONAL 1 MS1500 HANDHELD V XY V DATA LOGGER MS3500 MS3510 DATA LOGGER b 4 TO TO DETELINK SABLE COMPUTER COMPUTER USB SERIAL NS OS PORT Cor Figure 4 Data Download Connections III Setup and Operation A Main Menu Overview Once the batterie
8. 1 will exit to the MEASURE PROBE main function screen without entering saving the new interval KEY 2 will enter save the new reading interval then automatically return to the MEASURE PROBE main function screen further logging taking place at the new reading interval 15 F Downloading Data Data stored in the MS3500E 3510E unit may be downloaded via the Opti Link port directly to a PC Alternatively data may be downloaded to Metal Samples MS1500E Hand Held Data Logger and subsequently transferred to a PC Direct downloading is usually preferred in a control room or laboratory environment Where several MS3500E 3510E units are distributed in a field environment the data is most conveniently transferred via the MS1500E to a PC The MS1500E will accept data from as many as one hundred MS3500E 3510E units for subsequent transfer to a PC 1 Upload to PC To transfer data to a PC it is necessary to install the Corrosion Data Management Software To run the Corrosion Data Management Software you need a PC that meets the following requirements e Pentium class processor e Windows 95 or higher operating system e 16MBofRAM e 10MB of available hard disk space e VGA monitor with 800 600 or greater resolution e Mouse or pointing device recommended e Available 9 pin serial port or USB port e CD ROM drive for software installation To install the Corrosion Data Management Software 1 Insert the setup disk provided in your acces
9. 5 mil FM5 Table 2 Element Temperature and Pressure Ratings Note The temperature and pressure limitations given above may be subject to modification according to the probe body design This is discussed later in this manual A final issue with respect to sensing elements is material of construction Generally this should be selected to most nearly match that of the plant or equipment under consideration Almost any geometric configuration and thickness of element can be made in any commercially available alloy However some alloys particularly in the glass sealed loop version may be costly and have a considerable delivery time 33 C ER Element Performance The basic ER measurement gives percentage of metal thickness loss and is a function of the original element thickness Essentially total metal loss and corrosion rate are given by the following functions Xx K MS FR ee ees 7 7 1000 X X x K x 365 C Lp SRO EE 8 1000 t M METALLOSS IN MILS X INSTRUMENTREADINGATANY GIVEN TIME x INSTRUMENTREADINGATTIME t INSTRUMENTREADINGATTIMEt TIMELAPSE DAYS BETWEEN READINGS X AND X CORROSION RATEIN MILS PER YEAR PROBE CONSTANT E ROT x lt The probe constant K is a function of the element thickness and geometry Table 3 lists the K factors for various common elements 34 Element Geometry KFactor Table 3 K Factors Some of the newer instruments the MS1500E and MS3500E 3510E in particular p
10. 510E screen will display TRANSFER COM PLETE and the MS1500E screen will automatically exchange the EXIT TO ABORT option for ENTER TO CONTINUE option At this point the MS1500E can be disconnected and the client may download data from the next MS3500E 3510E or upload data from the MS1500E to the PC G System Shutdown Function This function allows the user to suspend the logging process for any period of time without data loss The menu screen sequence to operate the function is as shown below SYSTEM SHUTDOWN KEY 1 NEXT KEY 2ENTER MEASURE PROBE KEY 1 NEXT KEY 2 ENTER SYSTEM SHUTDOWN KEY 1 NO KEY 2 YES BLANK SCREEN At the conclusion of shutdown period KEY 1 or KEY 2 reactiates SHUTDOWN OPERATOR KEY 1 CONTINUE MEASURE PROBE KEY 1 NEXT KEY 2 ENTER Logging automatically resumes after 2 minutes with Power Save screen shutdown To activate the SYSTEM SHUTDOWN function the user should scroll through the main function screens using KEY 1 until the SYSTEM SHUTDOWN function screen is reached The user can now use KEY 2 to access the submenu The screen will now ask for confirmation KEY 2 will activate system shutdown KEY 1 will return the user to the main function screens If KEY 2 is used to activate SYSTEM SHUTDOWN data logging will cease but all existing data will be retained in memory When the user wishes to reactivate the logging process either key can be used to access
11. BE ID from the Main Menu The next screen allows you to choose the functions to ENTER or DELETE a probe ID or to select a probe ID from those already in memory for which you wish to make measurements When transferring data from an MS3500E unit the user will invariably select a new Probe ID gt SELECT PROBE ID MAKE MEASUREMENT COMPUTE MIL MPY RECALL READINGS To assist you with selecting a probe ID the screen displays a list of all probe IDs currently in memory Select from the list of probes in memory the probe for which you wish to run a function Make Mea surement Compute mil mpy Recall Readings Delete Readings or enter a new probe ID 44 Entering information To enter a number type it using the keypad numbers If you make an error press the down arrow which allows you to type the number again Pressing the up arrow retains the ID number you typed in Entering probe type The MS1500E has a list of probe types in memory Select one by pressing the arrow keys See p 28 for a list of probe types supported by the MS1500E ENTER NEW PROBE DELETEPROBE P 1234WIRE40 4567 FLUSH 20 1 Press the arrow key to select a probe ID 2 Press ENTER To enter the ID of a new probe select ENTER NEW PROBE the next screen allows you to enter the ID number and the type 1 Enter the probe ID use the number keys press the DOWN arrow if you make an error 2 Press the UP arrow when yo
12. D Metal samples MS3500E 3510E Remote ER Data Logger Metal Samples Company A Division of Alabama Specialty Products Inc 152 Metal Samples Rd Munford AL 36268 Phone 256 358 4202 Fax 256 358 4515 E mail msc alspi com Internet www metalsamples com Table of Contents UIBUDOUCUON sss n ss u a nce tiene diss toad dana dmi JERES 1 A Instrument Function Overview sirsenis pee Fue caue casae cet LR NIE Rod T MEC a ME 1 B Instrument Pans UNI ols arenaen e Eye re n dpt iyd haqay a sassa 2 MENU cu ag lu unun mayn ata uspha qayssqsssqaaswaasqunsspaspasasysswsausqasspapskhusa aspas sasaasuysa 3 A Enclosure and Mounting Details iret tette ho naa 3 B Battery Ipstallatlon u 4 C T2 Um Loop Installation 55e iuuat i asec in qaqaia asua asya aaa 5 E Probe Instrument Connection deco ea tena bun fia du as aD da dan che eibi a dud 6 E Data Download Connection Ss Up Ebr Mp ERR CER 7 TIL Setup arid Opera foli C 8 A M in Men OVETVIEW TNI m 8 B Program Setup MEM 10 Teg Set Time and Date TS 10 PPM Enter Probe ID uu ma a nun a qaqas 11 SS lart Data bose as rd 12 C Measure Probe PUtCION o uuu unun u e a e E halus a asss 13 D View St red Data PUHHIODS auia ukuna asa maq ep EAEE SAE 14 E Set Reading Interval ATO sessirnir asea aaen EE ERES 15 FDownlo dk DA Seen ore a
13. E PROBE This will override the normal interval of logging readings to allow a spot check reading to be obtained on screen MEASURE METER PROVER Used to test the instrument with the Meter Prover VIEW STORED DATA Allows visual review of all readings logged START DATA LOGGING Initiates the data logging process after input of appropriate start up data ENTER PROBE ID Allows input of probe type and reading interval Together with SET TIME AND DATE This constitutes initial start up data SET READING INTERVAL This allows the initial reading interval that is input under PROBE ID to be changed without deleting stored data SET MEASUREMENT TIME This allows the initial measurement polarization time that is input under PROBE ID to be changed without deleting stored data SET TIME AND DATE This constitutes the initial step of start up data allowing correct setting of the real time clock UPLOAD TO MS1500L This activates the download of stored data to the MS1500L or to a personal computer UPLOAD TO PC This activates the download of stored data to a personal computer SYSTEM SHUTDOWN This will stop the logging process and minimize power consumption without deleting stored data TEST MODE This allows a calibration check of the 4 20mA loop and supplies instrument trouble shooting data B Program Setup Having installed the batteries the MS3500E is ready for start up programming which compromis
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15. Samples Rd Munford AL 36268 Telephone 256 358 4202 Fax 256 358 4515 E mail msc alspi com The technical information and suggestions contained herein are believed to be reliable but they are not to be construed as warranties since conditions of use are beyond our control 49 SLGp 8S 9GZ xe4 cOcr 8se 9GZ euoug 030 I fics 1391 V N S00 XXX x Jojun N pH sajdwes eie LAHS HSINI4 SS32U8d vo ONTSSSNIONG SM SAN mu p 89c9 dv p N pu l SI 1 N cSt 28 1 F UOI e20 snopiezey Y N EDI JVNDI LIVA SATIS ul JOOSESW JO ONI SLONGOUd NDISIAGM Iv I831 UN 013323H2 NAA 6 ALIVIOSdS ow 031UN 3S1 B3HID SSIINND uec uongejersu vay Te IVH 301SESN 66 L L DNIAVeC diva FIS S39Nv2r3 10L DEL BIT dnoJD 0 uoz I sso 9 JEL apog due qa puo 9 g y sdnouy T MOISIAI I 5503 oady oady 40S SnopoaozoH MUD 3015 SD 48l44og A3 30S 31414427 HLAVA OL l123dS38 HLIM A 0S2 NVHI 3BDW 31V33N39 AO JSN LON LSAW IN3WdIDO3 WALNOD T LNAWdINOS ID831ND9 NO S31UN ONIAVSO ID31ND2 S 3338012VnNVvW 3313398 HLIM 329NVvI3022V NI GATIWISNI 38 LSAW Sa3laBva S xOWd p IST X 20A WINWAOS JHL ONISN G31V1021V9 38 AVW LI NAONA LON SI 3313398 JHL d X9wug dI 01 s 24 H 0 5 23 xou d xow d 251 z xou I 20A z XOU A aalaava LNANdINOI S I T 3 7 8V1 TL 318V1 NI NADHS SV IN3AdIDO3 JAYS ATIVOISNIALNI 3Hl 40 XOwd JHL OL TWNOA A
16. a small text box that is displayed near the mouse pointer If the tool tip box does not appear immediately after clicking the data point hold the mouse pointer stationary over the chart background for a moment The Tools Menu The Tools menu contains a collection of utilities for viewing and manipulating the chart The Tools menu can be accessed by clicking Tools on the menu bar or by right clicking anywhere on the chart o Data Markers Show Data Markers toggles the data markers on and off o Mean Value Show Mean Value toggles the mean value line on and off 22 Trend Line Show Trend Line toggles the trend line on and off Title Footnote Setup Title F ootnote Setup displays a window that allows the chart title and footnotes to be toggled on and off and to be modified Plot Setup Plot Setup displays a window that allows configuration of Y axis scaling and of the chart type The Y axis can be scaled to default values by checking the Auto Scaling option box The Y axis can be scaled to manual values by un checking the Auto Scaling box then entering the desired values in the Minimum and Maximum fields The chart type can be set to Line Chart Bar Chart or Area Chart by selecting the appropriate button in the Chart Type box The default chart type is Line Chart Data Series Color Data Series Color displays a color selection box which allows the user to select the brush color for the plot line The default color
17. ability is anticipated unless high corrosion rates are expected 20 mpy 35 mm year mpy 25 4 1000 00 o x c ke 0 x o o c lt 6 Week 3 Month 1 Year 2 Year Replacement Frequency Figure 8 Element Selection Guide Element Life 36 Anticipated Corrosion Rate 1mpy 1000 Probe Life Days 100 0 1 SINOH sw Bsuodsay 37 0 01 CT50 FL40 SS40 WR80 CT20 FL20 FS20 SP20 SS20 WR40 CT10 FL10 SP10 SS10 m FS08 TU08 m FS04 TU04 Figure 9 Element selection guide response time D ER Probe Body Design ER probe bodies may be made in almost any design and material Metal Samples frequently supplies custom probe designs for atypical applications However a standard range of designs are available that will cover the majority of uses These standard designs are discussed in the following paragraphs The fixed length probe which has a body constructed in 316L stainless steel is a general purpose probe construction The probe comprises a welded flange or NPT pipe plug entry on a cylindrical shaft The probe is available in a variety of insertion lengths although no length adjustment is available hence the name fixed length probe Wire Tube or Strip Loop Element Figure 10 Fixed Length ER Probe This probe is available in a
18. ata and give access to the Probe ID screen If useful data is stored use KEY 2 to return to the main menu and download existing data p 16 prior to proceeding The Probe ID screen allows you to insert a 4 digit identification number for the probe and or monitoring location Each digit is selected with KEY 1 and individually entered with KEY 2 When the fourth digit of the ID number is entered the screen will automatically change to the element identification screen The element identification screen shows the Probe ID number and a 5 6 digit letter sequence that identifies the probe element geometry and thickness KEY 1 allows the user to scroll through the element identifications and KEY 2 will enter the appropriate element ID once it is located It should be noted that the variety of element geometries and thicknesses that is offered by the various probe manufacturers tends to increase Consequently it is possible from time to time that the user may encounter a probe element style that is not included in the instrument look up table In such a case the user may select any of the element geometries in the table except wire that has the same thickness as the element under consideration Upon entry of the probe element ID the screen will automatically change to the data collection rate screen This allows the user to select the frequency with which the probe should be read This can be set in hourly increments from as high as once per hour
19. e 1 Probe Constant 2 Metal Loss The metal loss value is available both through the MEASURE PROBE and VIEW STORED DATA functions and is shown as MILS 1 MIL 0 001 inches The instrument automatically performs the calculation shown in equation 1 p 27 and displays the result on the MS3500E 3510E screen The metal loss value shown is the total metal loss since the probe was new Consequently this value is only valid when the probe used is initially installed as new If a partially consumed probe is attached to an MS3500E 3510E to perform a logging sequence the MILS value shown will be an overestimation of metal loss at the present locations by an amount equivalent to the thickness loss prior to the commencement of logging operations 3 Corrosion Rate This value is also available through the MEASURE PROBE and VIEW STORED DATA functions and is expressed as MPY 1 MPY 0 001 inches per year This value is calculated on the basis of equation 2 p 27 Again the calculation is an average corrosion rate assuming an as new condition for the probe element at the beginning of the logging sequence 28 4 4 20mA Output The current loop on the MS3510E unit will send a continuous measure of the current probe reading This is a linearized signal that can easily be converted to probe life units PLU at the receiving device by applying the following simple algorithm A 4 1000 PLU ENT AN 3 A Loop Curre
20. e Bleed Valve 1 Full Port Valve Velocity Shield Optional Safety Nut Figure 11 Retractable ER Probe 39 The retrievable probe is widely used in the oil and gas production and transmission industry and is part of a specially designed retrievable system The probe is carried on a specially designed plug and in serted through a welded or flanged access fitting as shown in Figure 12 The retrievable probe which is normally constructed in AISI 316L stainless steel can be inserted and removed from systems operating up to 3600 psi without system shutdown This is achieved by using a portable valve and retrieval tool that can be moved from probe location to probe location as insertion or removal is required Probe Adapter Cover HP Hollow Plug Assembly _ HP Access Fitting Retrievable ER Probe Shown with Velocity Shield Figure 12 Retrievable ER Probe 40 Appendix MS3500E Specifications Model MS3500E Remote ER Data Logger Ordering IN3500 MS3510E Remote ER Data Logger w 4 20mA Current Loop Output Ordering IN3510 Physical Data Instrument Weieht Total Weight w Accessories 11 94 Ib 5 42 Kg 13 64 Ib 6 19 Kg Instrument Dimensions 11 50 H x 8 94 W x 4 00 D 29 21cm x 22 71cm x 10 16cm Case Specifications NEMA 4 Mounting Specifications 10 75 H x 6 W 27 31cm x 15 24cm Bolt Pattern 0 3 0 76cm Diameter Bolt Holes Operating Temperature 32 to 122 F
21. e instrument and the probe cable simultaneously To test the instrument and probe cable e AX 1 Connect the probe cable to the instrument and then connect the ER Meter Prover to the end of the probe cable ove Samples Corrosion Monitoring Systema 2 Select MEASURE METER PROVER from the main menu of the instrument and press ENTER 3 Allow the measurement to finish The measured value should be close to the value printed on the ER Meter Prover label 10 probe units is typical but may vary more depending on ambient conditions at the time If the instrument measures close to the printed value on the Meter Prover label then the instrument and cable are both working properly and no further testing is required If there is a significant difference in the measured value or if you getan error continue testing as follows 4 Disconnect the ER Meter Prover from the probe cable 5 Disconnect the probe cable from the instrument 6 Connect the ER Meter Prover directly to the instrument as shown to the E right 7 Repeat steps 2 and 3 above 8 Ifthe instrument measures the ER Meter Prover correctly during this test then there is likely a problem with the probe cable and it should be tested j further or replaced 9 Ifthe reading still shows a significant difference compared to the printed Meter Prover value or still r
22. eads an error then there may be a problem with the instrument and further troubleshooting may be required 42 It is important to note that the ER Meter Prover is only a check probe used to verify general instrument operation Itis nota calibration standard The measured value may differ from the listed value as explained in step 3 above It is also important to note that each ER Meter Prover is serialized to match the instrument it is shipped with and its measured value may differ if it is used with another meter If itis necessary to use an ER Meter Prover with another meter it is recommended that you establish a baseline value for the ER Meter Prover with the other meter 43 Appendix C MS1500E Select Probe ID Select a probe before you run a function In order for you to make measurements compute mil mpy or recall or delete readings you must select a probe that is currently in memory The MS1500E provides you with a list of probes in memory use the arrow key to select on and press enter Now you re ready to run any other function The SELECT PROBE ID function allows you three options select a probe already in memory for which you wish to run any other feature of the MS1500E Make Measurement Compute mil mpy Recall Readings or Delete Readings enter into memory the identification of a new probe delete from memory the identification of a probe To run any of these three options choose SELECT PRO
23. ed This screen will show the current probe reading as an integer between 0 1000 and will give a KEY 1 EXIT option and a KEY 2 ENTER save option KEY 1 will return the user to the MEASURE PROBE function screen KEY 2 will save the probe reading and automatically display the fourth submenu screen The fourth submenu screen displays metal loss in MILS and average corrosion rate as MPY After approximately 30 seconds this screen will automatically revert to the MEASURE PROBE main menu screen This main menu screen will automatically shutdown to the power saving mode after five minutes Normal data logging continues throughout the measure probe sequence without interruption I3 D View Stored Data Functions This facility allows all data stored in the MS3500E 3510E to be called up on the screen for review The submenu sequence is shown below VIEW STORED DATA WXX XX XX XX XXX MEASURE PROBE KEY 1 NEXT KEY 2 ENTER KEY 1 EXIT KEY 2 PREV KEY 1 NEXT KEY 2 ENTER METAL LOSS XX MILS AUTOMATIC CORR RATE XX MPY After pressing either key to access the MS3500E 3510E screen KEY lis used to scroll to the VIEW STORED DATA function screen KEY 2 is then used to enter the submenu The first submenu screen displays the latest reading number the date of the reading and the reading in probe units The reading number is merely the total number of readings stored up to and including the reading displayed The probe unit reading is an
24. ement euet Reference Element Figure 5 Temperature Compensated Element The resistance of both the exposed element R and reference element R2 are equally influenced by temperature Consequently the resistance ratio of the exposed to reference elements is a function only of the loss in metal thickness on the exposed element and therefore of corrosion This resistance ratio Rgxp Rrer is measured either periodically with a portable instrument or continu ously with a variety of continuous automatic recording data logging instruments and read as percentage thickness loss Thus total metal loss versus time is directly available and corrosion rate is indirectly available as the slope of the line for metal loss versus time ProbelD 12 Probe Type Cylindrical Probe Life 10 mils 2 5 2 a 15 wn v 8 1 0 5 0 o o o S S ES o S S S S S S S NS S q v q V Y V vw q AN AN o SY A QN e M RG NA o Ww y Ww QV Date Figure 6 Typical Data 31 B ER Sensing Elements Electrical resistance probe elements are offered in a variety of thicknesses and geometries The most common are illustrated below Wire Loop Cylindrical Tube Loop Flush Figure 7 Element Styles Tubular loop elements are constructed from thin walled tubing Their small cross section allows fast response at low corrosion rates Wire loop elemen
25. ening and closing the panel to ensure that the internal wiring is not pinched or damaged Once the panel is opened batteries can be inserted or removed from the spring loaded retainer as shown below 9 E o OS Cs pO Figure 2 MS3500E Battery Installation C 4 20mA Loop Installation The MS3510E is provided with a 4 20mA communication outlet that allows continuous real time integration of ER corrosion data with other process parameters in the main plant computer The 4 20mA outlet port is a 2 pin military connector MIL 1 4S 9SF on the base of the unit marked 4 20mA The mating connector for this outlet ET0612 is supplied as part of the accessories for the MS3510E unit The positive lead of the communication loop should be connected to the A terminal of the ET0612 mating connector and the negative lead to the B The loop can then be connected to the 4 20mA instrument outlet Metal Samples Corrosion Monitoring Systems OPTI LINK DATA PORT PROBE 4 20 g
26. erform metal loss and corrosion rate calculations automatically and display these as a direct reading These instruments contain a selectable library of element geometries that once selected are automatically fed into metal loss corrosion rate calculations Should the user not find the element geometry specific for the probe in use he can select any geometry except wire of the same thickness in order to obtain valid results Two key performance characteristics for a particular element style are element life and response time The element life is directly proportional to its thickness whereas response time which is the time required to obtain a significant reading change at a given corrosion rate is inversely proportional to element thickness Thus the user must make some compromise between life and response time when selecting a sensing element Figures 8 and 9 provide a general guide for selecting optimum life and response time combinations The other major performance characteristic related to element geometry is measurement reproducibility Under ideal circumstances the measurement reproducibility will match the instrument resolution which is 0 1 for most commercially available units However low resistance elements in systems exhibiting frequent 30 60 minute cycle and comparatively large 10 15 F temperature fluctuation may only achieve a reproducibility of 0 5 Such low resistance elements should be avoided when temperature inst
27. es the following sequence SETTIMEAND DATE ENTER PROBE ID START LOGGING 1 Set Time and Date This operation is illustrated below SET TIME AND DATE KEY 1 NEXT KEY 2 ENTER MEASURE PROBE KEY 1 NEXT KEY 2 ENTER SCROLL KEY 1 TO ENTER PROBE I D TIME DAY MTH YR XXXX XX XX XX KEY 1 UP KEY 2 ENTER KEY 2 TIME DAY MTH YR XXXX XX XX XX KEY 1 UP KEY 2 ENTER KEY 1 MEASURING PROBE The screen of the instrument is initially activated by pressing either key The SET TIME amp DATE function screen is then accessed by scrolling through the main menu using KEY 1 KEY 2 allows entry into the submenu and the time and date setup screen will be shown Each digit of the time day month and year is sequentially set using KEY 1 to select the appropriate digit and KEY 2 to enter the digit and move the next digit of the time and date sequence Once the final digit of the year is entered using KEY 2 the screen will automatically change to the time date display screen This screen shows the time and date as set up KEY 2 will accept and store this time and date KEY 1 will reject this information Either key will automatically return the user to the MEA SURE PROBE screen of the main menu If the time and date has been rejected scroll to the SET TIME amp DATE function screen reenter the submenu and make the necessary corrections If the time and date are correct and the user has used KEY 2 to acce
28. eturn the Instrument to Company Name Address Location Telephone Number 4 Description of Trouble a clear description of the problem may shorten repair time 5 Urgency of Repairs 48 Appendix E Warranty Metal Samples warrants that any part of their corrosion rate instruments and accessories which proves to be defective in material or workmanship within one year of the date of original shipment to Purchaser will be repaired or replaced at the option of Metal Samples free of charge This warranty does not cover 1 probe assemblies 2 items expendable in nature or 3 items subject to damage from normal wear misuse or abuse or failure to follow use and care instructions All damaged items are to be shipped at Purchaser s expense to and from Metal Samples Metal Samples shall have the right to final determination as to the existence and cause of the defect The foregoing shall constitute the sole and exclusive remedy of any purchaser of Metal Samples products for breach of warranty and is exclusive and in lieu of all other warranties expressed implied or statutory including the implied warranties or merchantability and fitness In no event shall Metal Samples be liable for special or consequential damages or for any delay in the performance of this warranty due to causes beyond its control Orders or requests for additional information should be addressed to Metal Samples 152 Metal
29. for the plot line is Blue Zoom In Zoom In allows a region of the chart to be enlarged so that it may be viewed in greater detail To enlarge a region of the chart click on the two data points that define the left and right boundaries of the region In zoom mode the mouse pointer will change to a cross hair When zoom mode ends the mouse pointer will return to its normal state To cancel zoom mode click Cancel Zoom In from the Tools menu or simply press the Esc key 23 o Zoom Out Zoom Out restores the initial view of the chart which displays the full data set o Calculate Corrosion Rate If the chart contains ER data the Calculate Corrosion Rate option will become available under the Jools menu This option allows the corrosion rate to be calculated between any two data points on the chart To calculate the corrosion rate click Calculate Corrosion Rate then click two data points The corrosion rate between those two data points will be displayed In calculate mode the mouse pointer will change to an arrow question mark When calculate mode ends the mouse pointer will return to its normal state To cancel a calculation click Cancel Calculate from the Tools menu or simply press the Esc key 24 2 Upload to MS1500E The user must first connect the IN3500 2 Optilink cable between the Optilink connector on the MS3500E 3510E and the phone jack connection on the MS1500E Once the communication connection is made between
30. ile After selecting a data file or clicking the Chart Data button from the Instrument Download Center a status window will display the progress of the file being opened along with the Instrument Type Probe Type and Probe ID for the data file Opening Data File F Progress instrument Type MS1500E Probe Type Wire Loop Probe ID 1000 peer Fa Data Table After a file has been successfully loaded the data will be displayed in the Data Table for review By default all data points will be included in the chart However data points can be turned off or ex cluded from the chart If the Excluded flag appears in the status column for a data point that data point will not appear in the chart To toggle the exclude include status of a data point double click the data point or select the data point and click Exclude Include in the Options menu F Data Table L OI x Options Help HEADING METAL LOSS mis DATE dd mm yy PROBE ID PROBE TYPE STATU 1 2 040 12 3 2001 1000 Wire Loop 2 000 13 3 2001 1000 Wire Loop 2 040 14 3 2001 1000 Wire Loop 4 1 960 15 3 2001 1000 Wire Loop 5 2 000 16 3 2001 1000 Wire Loop 5 2 040 17 3 2001 1000 Wire Loop 7 2 060 18 3 2001 1000 Wire Loop 2 090 19 3 2001 1000 Wire Loop 2200 20 3 2001 1000 Wire Loop D 2290 21 3 2001 1000 Wie Loop 11 2290 22 3 2001 1000 Wite Loop Excluded 12 2290 23 3 2001 1000 Wire Loop Excluded 2510 24 3 2001 1000 Wire Loop Excluded Printing
31. integer from 0 to 1000 that indicates the percentage of effective probe thickness consumed Previous readings may be accessed sequentially using KEY 2 KEY will exit the review screen and display metal loss MILS and average corrosion rate MPY for the reading number displayed when the exit key is used The metal loss corrosion rate screen will display for approximately 30 seconds before automatically returning to the MEASURE PROBE function screen The VIEW STORED DATA function may be used at anytime without disrupting normal logging 14 E Set Reading Interval Function This function permits the reading interval to be changed at any time during logging without disrupting the logging process or deleting the stored data The operation sequence is as follows SET READING INTERVAL RATE XX DAYS XX HRS KEY 1 NEXT KEY 2 ENTER KEY 1 UP KEY 2 ENTER AUTOMATIC RATE XX DAYS XX HRS KEY EXIT KEY 2 ENTER MEASURE PROBE MEASURE PROBE KEY 1 NEXT KEY 2 ENTER KEY 1 NEXT KEY 2 ENTER After any key is used to activate the screen KEY 1 is used to scroll to the SET READING INTER VAL main function screen KEY 2 then allows entry into the submenu The current reading interval is displayed as days and hours Individual digits may be altered using KEY l and entered using KEY 2 After the final hour digit is entered the screen will automatically change to areading interval confirmation screen The interval as entered is displayed KEY
32. is downloaded Should logging continue in an uninterrupted fashion until the memory capacity of the unit is full additional data will sequentially overwrite the initial data points stored in memory The user should always set a download schedule of sufficient frequency so that no more than 3 100 readings are taken between download operations Note Even at the highest frequency 1 per hour downloading can be scheduled at intervals as great as 129 without data corruption by overwriting 12 C Measure Probe Function The MEASURE PROBE function allows the user to make a spot check probe reading at any time without constraint of the normal logging interval The submenu sequence is illustrated below MEASURE PROBE KEY 1 NEXT KEY 2 ENTER PROBE XXXX XXXXXX PLEASE WAIT PROBE XXXX XXXXXX KEY 1 EXIT KEY 2 READ AUTOMATIC METAL LOSS XXX MILS COR RATE XXX MPY AUTOMATIC READING XXX KEY 1 ENT KEY 2 SAVE The first screen of the MEASURE PROBE submenu displays the probe ID number element geom etry and thickness KEY 1 exits to the main menu MEASURE PROBE function screen and KEY 2 will activate a measurement If KEY 2 is used to activate a measurement the second submenu screen will be shown that displays the probe ID element geometry and thickness and a PLEASE WAIT notation After approximately 30 seconds the reading will be complete and the third submenu screen will be automatically display
33. is designed to provide a continuous record of corrosive activity in remote locations that are infrequently visited such as cross country pipelines and unmanned production platforms However this unit finds equal application in locations that are inconvenient or difficult to access on a regular basis such as refinery overheads and flue gas stacks The MS3500E 35 10E is completely self contained with the onboard battery system supplying the total power requirement for operation It can be used with any of Metal Samples ER probes or those of all other major manufacturers Once in place it will automatically read the probe at customer selected intervals and store the resulting data in the unit s onboard memory The onboard memory will collect up to 3 100 data points before data download is required The data collection interval is programmable in hourly increments Even at the minimum data collection interval 1 hour data downloading need only be performed every ninety days With more practical data collection intervals 8 12 hours the unit may be unattended for as long as 6 8 months between downloading operations An optical infrared RS232 communication link is provided for data download to either a PC or Metal Samples MS1500E portable ER data logger Downloaded data may be analyzed reviewed or re ported by conventional spreadsheet database or mathematical software packages The infrared communication link is an integral part of
34. l display the message Port Status Off If this happens another serial port should be selected 18 Saving Data To save the data in the data window click the Save button The data is comma delimited ASCII text It can be saved to a standard text txt file or it can be saved to a comma separated values csv file which greatly simplifies the process of importing the data into some spreadsheet programs such as Excel or Quattro Pro Printing Data To print the contents of the data window click the Print button A print dialog box will be displayed to allow printer selection and setup Charting Data To chart the contents of the data window click the Chart Data button If the data has not yet been saved the user will be prompted to do so before the charting process begins For more information on charting data see the Data Analysis section Data Analysis The Data Analysis utility is a convenient tool for charting data from Metal Samples ER and LPR data logger instruments The Data Analysis utility can be opened from the Main Menu orit can be opened directly from the Instrument Download Center Ifthe Data Analysis utility is opened from the Instrument Download Center the contents of the data window will be loaded into the chart However if the Data Analysis utility is opened directly from the Main Menu a valid data file must be loaded The Select File box will open to allow selection of a data file 19 Loading a Data F
35. le mounting flange with four 31 diameter mounting holes Overall dimensions and mounting hole centers are shown in Figure 1 MS3500 REMOTE ER DATA LOGGER 1 12 1 4 10 3 4 LO fides zz j Ll a ES ica mag 9 Figure 1 MS3500E Dimensions B Battery Installation The MS3500E 3510E instrument uses six 1 5V AA size batteries connected in series as a primary power source While any AA size battery can be used Duracell or Procell Type MN1500 or PC1500 batteries are required to meet the intrinsic safety certification requirements Since the MS3500E 3510E operates in a low power consumption mode between readings battery life will be a function of the reading interval and measurement time cycle set by the user At the most frequent reading interval 1 per hour a minimum battery life of four months is to be expected More practical intervals such as every 12 or 24 hours will yield a battery life in excess of twelve months Generally to avoid unexpected power drains batteries should be replaced once every six months In the instance of a low reading interval 1 per 4 hours or less three monthly battery replacements is advisable Batteries are mounted in the back of the MS3500E MS3510E behind the instrument screen and keyboard panel The batteries are accessed by loosening the two thumbscrews on the right side ofthe panel then swinging the hinged panel open to the left Care should be used when op
36. ll element styles but for pipe plug entry the flush element varieties can only be accommodated on bushing sizes of 1 2 NPT or greater Pressure and temperature ratings are 3000 PSI and 500 F for pipe plug entries whereas flanged entries are controlled by the flange rating The major limitation of this design is that the system needs depressurization prior to insertion or removal of the probe 38 Retractable probes are the industry standard in refinery and petrochemical plants The probe body is constructed in 316L stainless steel and compromises a one inch FNPT packing gland with a cylindrical probe shaft Four basic probe lengths are available 18 24 30 and 36 The actual insertion depth into the system varies depending on the mating pipe However the insertion is adjustable through the packing gland to provide any desired insertion The retractable probe is inserted into the system through a customer supplied ball valve and can be inserted or removed from pressurized systems without shutdown Retractable probes can be operated at pressures to 1500 psi and 500 F Metal Samples Easy Tool is recommended for probe insertion or retraction in systems with pressure over 150 pounds All element configurations are available for retractable probes and most can be accommodated through a 1 full port valve Flush element probes however require a 12 full port valve Safety Chain Packing Gland Assembly Nipple Retractable ER Prob
37. me of outdoor conditions B Instrument Parts List The MS3500E MS3510E is supplied with the following accessories Partno Qty Description ET0133 6 1 5V AADry Cells Installed p ET0612 1 4 20ma Loop Connector MS3510E Only s IN3500 2 1 Ontilink Cable NW I IN3500 4 1 10 Ft Probe Cable ET x FERE IN3500 5 1 Meter Prover IN3500 6 1 Serial Port Adapter IN3500 7 1 Operations Manual Upon receipt of the instrument the user should verify that the above listed accessories are included Any shortage should be reported immediately to Metal Samples Phone 256 358 4202 Fax 256 358 4515 E mail msc alspi com II Installation A Enclosure amp Mounting Details The MS3500E 3510E enclosure is fabricated in carbon steel with a baked on high build epoxy coating The unit has a hinged door that is secured when shut by screw down clamps that discourage unauthorized tampering The enclosure is constructed to NEMA 4 IP 65 weatherproof standards making it suitable for the most rigorous of outdoor environments The overall dimensions of the unit are 12 1 4 height 9 width 4 3 8 depth making it a conve nient size to mount even in the most confined of locations For the best results the instrument should be mounted within ten feet of the probe location To facilitate this the unit has a versati
38. ment in the original shipping carton If the original carton is not available pack the instrument in a rigid cardboard or wood carton Surround the instrument with a minimum of three inches of resilient packing material such as foam rubber or shredded newspaper 2 Ship the instrument prepaid via air freight or air express to Metal Samples 152 Metal Samples Rd Munford AL 36268 3 Contact Metal Samples by telephone 256 358 4202 or fax 256 358 4515 and tell them a the name of the airline carrying the instrument b the flight number c the estimated time of arrival d the waybill number and delivery instructions 4 When the instrument is packed include a copy of the form on the next page filled in as required to expedite the repairs 47 Maintenance and Repair Instructions This form may be photocopied for use when returning instruments to Metal Samples for repair Please fill in all known information Enclose a copy of the filled in form with the instrument 1 Check one Repair this instrument under warranty Repair this instrument regardless of problem or cost of repair Inspect the instrument and advise the customer of the approximate cost of repairs if the instrument is not covered under warranty Note This procedure may delay the return of the instru ment to you 2 Instrument Identification Instrument Model Serial Date and Location of Purchase Company s Purchase Order for Original Sale 3 R
39. nt in mA Total metalloss ML may be derived from A 4 K ML T a aaa basu a aun nee ad exa En 16 A Loop Current in mA K Probe Constant Corrosion rate CR may also be derived as A A K x 365 CR F 16 T T A Loop Current at Time T A Loop Current at Time T T End Time Days T Start Time Days K Probe Constant 29 IV ER Technique General A Measurement Theory The reduction in cross sectional area of an element of metal or alloy as it corrodes is accompanied by a corresponding increase in the electrical resistance of the element The relationship is given by R element resistance P specific resistivity of the element alloy A element cross sectional area L element length Consequently periodic resistance measurements of a metal alloy element that is continuously exposed to acorrosive environment will provide data on the rate and extent of corrosion for that alloy environment combination In practice resistance is also a function of temperature Therefore electrical resistance corrosion probes need some means to compensate for the spurious effects of temperature change This is achieved by constructing the probes with an exposed element that freely corrodes and a reference element that is protected within the body of the probe and not subject to corrosion Such a construction is illustrated in Figure 5 30 Exposed Probe Body El
40. pt the information scroll to the ENTER PROBE ID function screen to continue with program setup Please note that the time and date once set should not require alteration except after battery replacement Should the user decide to change the time and date while probe data is stored in memory all data will be displaced in time and highly inconvenient to interpret 10 2 Enter Probe ID This function will allow the user to identify the particular probe type or installation location with a unique 4 digit tag number Additionally it allows the selection of correct probe element geometry which is necessary for the instrument s calculation of metal loss and corrosion rate Finally it allows the user to select the data collection rate The operational sequence is as follows KEY 1 MEASURE PROBE ENTER PROBE I D KEY 1 NEXT KEY 2 ENTER DELETE ALL READINGS KEY 1 KEY2YES PROBE XXX XXXXXX KEY 1 UP KEY 2 ENTER PROBE XXXX KEY 1 UP KEY 2 ENTER RATE XXDAYS XXHRS RATE XXDAYS XX HRS KEY 1 UP KEY 2 ENTER KEY 1 EXIT KEY 2 ENTER MEASURE PROBE Once the ENTER PROBE ID function screen is located on the main menu KEY 2 will give access to the submenu The initial screen of the submenu allows deletion of any stored data Normally there will be no data stored since any useful data set will have been previously downloaded If no useful data is stored in the unit press KEY 1 which will delete all existing d
41. s are installed in the MS3500E 3510E the instrument screen may be activated by pressing either of the keys on the front panel The company name METAL SAMPLES and software version will appear then after a few seconds will automatically change to the first of the function screens that constitutes the main menu A series of nine function screens can be accessed simply by scrolling using KEY 1 on the instrument keypad Each of the nine function screens allows entry into a submenu to initiate an action such as MEASURE PROBE or START DATA LOGGING alternatively it allows input of data such as probe identification or reading interval Each of the function screens and their submenus are fully explained later in the manual The following diagram shows the sequence of access to the ten function screens TEST MODE KEY 1 NEXT KEY 2 ENTER SYSTEM SHUTDOWN KEY 1 NEXT KEY 2 ENTER UPLOAD TO PC KEY 1 NEXT KEY 2 ENTER METAL SAMPLES MS3500 VERSION XX MEASURE PROBE KEY 1 NEXT KEY 2 ENTER MEASURE METER PROVER KEY 1 NEXT KEY 2 ENTER UPLOAD TO MS1500L KEY 1 NEXT KEY 2 ENTER SET TIME AND DATE KEY 1 NEXT KEY 2 ENTER SET MEASUREMENT TIME KEY 1 NEXT KEY 2 ENTER VIEW STORED DATA KEY 1 NEXT KEY 2 ENTER START DATA LOGGING KEY 1 NEXT KEY 2 ENTER ENTER PROBE I D KEY 1 NEXT KEY 2 ENTER SET READING INTERVAL KEY 1 NEXT KEY 2 ENTER As explained each function screen gives access to a submenu the purpose of which is briefly described below MEASUR
42. sory kit 2 You will be prompted to close any open programs After you have done so click OK to continue 2 Metal Samples CDMS Setup F Welcome to the Metal Samples CDMS installation program Lau Setup cannot install system files or update shared files if they are in use PER NN E P rectonano act coni Mn arn yumay 16 3 Click the install button to begin installation Note it is recommended that you install the soft ware in the default directory 2 Metal Samples CDMS Setup f m V 4 After clicking the install button the software will be installed on your PC 5 When the software installation is complete you should remove the setup disk then reboot your computer Instrument Download Center The Instrument Download Center is a simple tool for retrieving data from Metal Samples ER and LPR data logger instruments To download data from an instrument e Connect the instrument to an available PC serial port or USB port see page 7 e Turnthe MS3500E on e Run the Corrosion Data Management Software 17 e Open the Instrument Download Center e Select the serial port and instrument e Clickthe Download button ensure that Part Status toggles to On e From the main menu of the instrument select UPLOAD TO PC Data will begin to transfer from the instrument to the PC and will appear in the data window of the Instrument Download Center as shown above If the data appears garbled the wrong instrument t
43. ted KEY 2 or rejected KEY 1 If accepted the screen will revert to the MEA SURE PROBE function screen and the user can proceed to the START DATALOGGING func tion If rejected the screen will also revert to the MEASURE PROBE function screen but the user is now required to access the PROBE ID function and reset correct the probe ID the element ID and the reading frequency prior to commencing with the data logging process 3 Start Data Logging This is the set of commands that starts the logging process KEY 2 START DATA LOGGING SYSTEM READ KEY 1 NEXT KEY 2 ENTER KEY 1 EXIT KEY 2 ENTER BLANK SCREEN KEY 1 LOGGING IN MEASURE PROBE PROCESS The submenu is entered from the START DATA LOGGING main menu function screen using KEY 2 The first submenu screen is the SYSTEM READY screen from which KEY 2 will start the logging process and shut down the screen for power conservation If for any reason the user does not wish to commence logging KEY 1 will allow escape to the MEASURE PROBE screen of the main menu Once logging is activated it will continue until the user activates the system shutdown routine or the batteries discharge In either event all data collected to this point will be retained but no additional data will be collected Entering a new probe ID will also stop the logging process and eliminate all existing probe data from the memory prior to entering new probe ID ensure that all useful data
44. the MS3500E and the MS1500E instruments switch on the MS1500E and select a probe ID that corresponds to the probe ID of the MS3500E 3510E in question The user must now scroll to the communication menu on the MS1500E and press enter The MS1500E communications submenu has the following screen sequence for MS3500E 3510E download operations MS3500 DOWNLOAD COMPUTER UPLOAD Enter with cursor as shown MS3500 DOWNLOAD ENTER PROBE XXX XXXXXX ENTER TO CONTINUE EXIT TO ABORT MS3500 DOWNLOAD PROBE XXXX XXXXXX ENTER TO CONTINUE Automatic on Complete Data Transfer Before executing this command set MS3500E to Waiting for Link Up mode After selecting the MS3500E 3510E DOWNLOAD option on the MS1500E communications menu the communications mode should be selected on the MS3500E 3510E instrument This is achieved by scrolling through the main functions menu using KEY 1 until the UPLOAD TO MS1500E screen is reached The submenu is accessed using KEY 2 The MS3500E 3510E screen will now display WAITING FOR LINK UP and a KEY 1 exit option The MS3500E 3510E is now waiting for the download instruction from the MS1500E This instruction is given by pressing enter on the MS1500E unit The MS1500E screen will now display the probe ID and type for the MS3500E 3510E in ques tion plus an option to use EXIT to abort the transfer Data transfer is now in progress Upon completion of data transfer the MS3500E 3
45. the intrinsically safe design of the MS3500E 3510E Optical instead of electrical this unique feature permits data downloading without removing the instrument or memory module from the hazardous area Another unique feature of the MS3500E 35 10E is the high level of onboard intelligence The two line 20 character LCD allows visual review of all historical data in memory and reads directly as total metal loss and or average corrosion rate This is in contrast to other commercially available units that store and display only the raw resistance ratio that requires additional manipulation to provide useful and intelligible data The LCD screen together with the 2 key membrane keypad provides a user friendly interactive prompting system that is used for both system setup and data review This makes the MS3500E the most advanced unit of its type on the market By adding a 4 20mA communication facility the MS3500E becomes an MS3510E This allows continuous transmission of data via a 4 20mA loop to a plant computer or central data logger for integration with other real time process parameters This data transmission can be accomplished without disruption of the unit s basic logging and data storage operations The 4 20mA loop extends the capa bilities ofthe unitto include conventional in plant real time data communication The MS3500E 3510E unit uses a NEMA 4 IP 65 enclosure making it suitable for use in the most extre
46. ts constructed of solid wire provide a good compromise between sensitivity and long life They are typically used for systems exhibiting moderate corrosion rates 5 20 mpy Cylindrical elements are made from hollow cylinders and are extremely robust They are widely used in high temperatures and high flow rate conditions They tend to be sensitive to noise and somewhat sluggish in response Consequently they are only recommended for moderate to high corrosion rates 20 50 mpy Flush elements are designed to be located flush with the corroding surface of the vessel pipe conse quently most closely simulating true corrosion rates The flush element is useful in high flow regimens and operating conditions where internal obstructions are not permissible e g pigged pipelines 32 The mechanism for sealing elements into probe bodies varies For example the cylindrical type elements are sealed with an all metal weld whereas flush elements are sealed with an epoxy seal The sealing mechanism of the element is a primary factor in determining the temperature and pressure rating of an ER probe Table 2 provides a guide to temperature and pressure limitations for various element designs Pressure Temperature Thickness Rating PSI Rating F C tubular loop 4 mil TU04 glass sealed TUOS ee SUD RES wire loop 40 mil WR40 glass sealed WR80 1500 500 260 cylindrical element 10 mil CT10 all metal 20 mil CT20 1500 500 260 flush element
47. u ve entered the correct ID number 3 Enter probe TYPE 4 Press ENTER 45 Deleting Probes It s necessary to delete a probe when you replace one Note that when you delete a probe you also delete all the readings for that probe You might want to transfer the readings to a computer before deleting them by using the COMMUNI CATIONS option in the Main Menu see COMMUNICATIONS in the MS1500E manual PROBEID D385 PROBE TYPE WIRE 40 USE ARROW KEYS It is occasionally necessary to remove the ID of a probe from memory for example when the memory bank is full when a probe is no longer used when MS3500E 3510E probe data has been downloaded from the MS1500E to a PC To delete the ID of a probe in memory select DELETE PROBE DELETE PROBE PROBEID UP ARROW WHEN DONE 1 Enter the probe ID use the number keys press the DOWN arrow if you make an error 2 Press the UP arrow when you ve entered the correct ID number The instrument will confirm your choice of probe ID before deleting it from memory 46 Appendix D Returning the Instrument for Repair A Returning an Instrument for Repair If it is necessary to return any Metal Samples instrument for repair the following procedure is recom mended to ensure the fastest possible repair and return cycle You may contact Metal Samples to verify that returning the instrument is necessary 1 Ifpossible pack the instru
48. ype has been selected Select another instrument type and try again If data does not appear in the data window at all verify that e The instrument is connected to a valid serial or USB port e All cables are securely connected e The message Port Status On appears in the status bar e There are no errors on the instrument e fusing a USB adapter ensure that the device drivers have been installed Selecting a Serial Port Use the Serial Port selection box to select the port to which the instrument is connected If the COM port number is unknown it can be found in Windows Device Manager under Ports COM amp LPT Selecting an Instrument Use the Instrument option box to select the model of Metal Samples instrument being downloaded This sets the appropriate communication parameters which will be displayed in the status bar at the bottom of the window 9600 N 8 1 for an MS1500 2400 N 5 1 for an MS3500 Downloading Data To toggle the selected port on and off click the Download button Toggling the port on and off will also clear the data window Once a valid serial port and instrument have been selected click the Download button to turn the port on and enable the computer to receive data If a valid serial port has been selected the status bar at the bottom of the window will display the message Port Status On If an invalid serial port has been selected an error message will appear and the status bar wil
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