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TransPort® PT878 Portable Liquid Flowmeter User`s Manual

1. Glycol Figure 145 Fluid Option TransPort PT878 User s Manual 229 Appendix A Menu Maps Wetted Clamp on Path Length Traverses Axial Length Spacing Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 146 Path Option 230 TransPort PT878 User s Manual Appendix A Menu Maps Custom Cp Energy Option Energy Edit Table Enabled Density Source System Fixed Table Heating Cooling Static Density Edit Table Flow Measurement Return Calculation Standard Custom Cp Supply ixed Acti Temperature A Return Fixed Active Temperature A Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure
2. Retry et e l Drive Contents Current Site Global Settings User Functions User Tables User Settings Menu Commands Figure 142 Service Menu Transport PT878 User s Manual 225 Appendix A Menu Maps Transport PT878 User s Manual 226 Appendix A Menu Maps Preprogrammed Units Special Frequency Time Del Wetted TS 93y Clamp on Wedge Angle Wedge Temperature Wedge Sound Speed Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 143 Transducer Option TransPort PT878 User s Manual 227 Appendix A Menu Maps ng Material Asbestos Mortar Cement Thickness Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 144 Lining Option 228 TransPort PT878 User s Manual Appendix A Menu Maps Menu Program Fluid Tracking Windows If Energy Option Enabled
3. Figure 104 Enter Time Window 1 Use the arrow keys to scroll to the desired text box Press ENTER to open the box 2 Two alternatives are available to change a highlighted date or time e Use the numeric keys to enter the desired number e Use the V or A arrow keys to scroll in 1 digit increments to the desired number For example if the text box displays 09 pressing the V key twice changes the number to 07 You can scroll from 01 to 12 for the month from 01 to 31 for the day depending on the number you have selected for the month and from 0 to 59 for minutes and seconds In either case press ENTER to confirm the entry 3 Repeat step 2 for any other entries you wish to change When you have finished press F3 OK to confirm the entries and close the window or press F2 Cancel to leave the window without changing the entries TransPort PT878 User s Manual 153 Chapter 7 Logging Data 7 5 3 Displaying Log Data in Spreadsheet Form To view a log in spreadsheet form be sure the log is highlighted in the left window of the Log Manager Then scroll to the View menu and press ENTER Scroll to the Spreadsheet option and press ENTER The screen now appears similar to Figure 105 below 123 LOG Time 03 20 2001 14 24 46 Diagnostics P Up 14 24 56 450 14 25 06 448 14 25 17 14 25 27 451 453 14 25 37 450 14 25 47
4. Figure 24 Custom Cp temperature vs enthalpy Table d Repeat steps b and c for the remainder of the table e When you have completed entering values press F3 OK to confirm the table and return to the Custom Cp window TransPort PT878 User s Manual 47 Chapter 3 Programming Site Data 3 7 2 Entering Custom Cp Data in the Energy Option cont 2 48 The next prompt asks from which source a fixed value or table the PT878 will use for fluid density values Use the lt q and P keys to scroll to the appropriate radio button and press ENTER The menu now varies depending on your selection in step 2 e If you selected Fixed the PT878 asks for the fixed fluid density Use the numeric keys to enter the desired value and press ENTER e If you selected Table the meter highlights the Edit Table button Edit Density Figure 25 Fluid Density Table a Press ENTER to open the Edit Density table shown in Figure 25 above b Use the numeric keys to enter the desired temperature in degrees Kelvin and press ENTER c Press the P key to move to the kg m 3 column density in Kilogram cubic meters Use the numeric keys to enter the desired value and press ENTER TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 7 2 Entering Custom Cp Data in the Energy Option cont d Repeat steps b and c for
5. Figure 45 Save As Another Name Window Use the four arrow keys to scroll to the desired letter or number and press ENTER Repeat this procedure until you have created the desired site name Press F1 Delete to remove any unwanted letters or numbers When you have finished e Press F2 Cancel to erase the entry or e Press F3 OK to confirm the entry The Save Site window then appears e Press F2 No to cancel saving the site or e Press F3 Yes to save the site The PT878 remains in Site Manager with the current site saved under both the old and new names 78 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 5 Refreshing a Site You can refresh a site updating the display with the most current information in one of two ways e Press F2 Refresh to refresh the highlighted file From the File Menu scroll to the Refresh option and press ENTER The updated information on the highlighted file appears in the window on the right However to save the file you must use the Save option 4 1 6 Renaming a Site If you want to rename a site first be sure the site has been highlighted in the left window of the Site Manager Then press MENU to enter the File Menu scroll to the Rename option and press ENTER The screen appears similar to Figure 46 below Rename Site DEFAULT B Figure
6. Max Points Edit Tables Cancel Figure 85 User Tables Window 2 The first prompt asks you to select the table to be programmed a Press ENTER to open the drop down menu b Use the W or A arrow keys to scroll to the table you wish to program c Press ENTER to confirm the entry TransPort PT878 User s Manual 127 Chapter 6 Programming Meter Settings 6 11 Setting up User Tables cont 3 The next step is to create a Table ID a Press ENTER to open the window The screen now appears similar to Figure 86 below UserTable1 A K U 4 Figure 86 Text Creation Window b Use the four arrow keys to scroll to the desired letter or symbol and press ENTER to add the letter to the label Note Pressing SEL causes the screen to alternate between a set of upper case capital letters and a set of symbols Use both screens to create the desired label c Repeat this procedure for each letter or symbol you wish to add to the label If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label d When you have completed the label press F3 OK to confirm the label or F2 Cancel to leave the window without adding the label Note Jtis not necessary to enter the Data Points or Max Points text boxes 128 TransPort PT878 User s Manua
7. 10 Edit Table Figure 36 The Calibration Factor Window 1 The first prompt asks if you wish to enable the calibration factor a Use the lt d and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 2 The next prompt asks if you want a single K factor or a table of K factors a Use the lt d and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection TransPort PT878 User s Manual 67 Chapter 3 Programming Site Data 3 11 3 Entering a Calibration Factor cont 3 The following steps depend on whether you select a single value or a table If you entered Single The prompt asks for a value This feature enables a single multiplier to be applied to the flow rate reported by the PT878 a Press ENTER to open the text box b Use the numeric keys to enter the desired value Generally if you have enabled the Reynolds Correction factor the correction factor should be set to 1 00 Otherwise the typical factor is between 0 5 and 2 00 c Press ENTER to confirm your selection You have completed entering data for a single Calibration Factor To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode
8. Figure 15 Pipe Option Window 30 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 3 Entering Pipe Parameters cont 1 The first prompt asks you to select the pipe material a Press ENTER to enter the material prompt b A drop down list of materials opens Table 5 below lists the available preprogrammed materials on the list Press the V or A keys to scroll to the appropriate material or scroll to Other for a material not on the list You can press the P key to scroll down by a page or the key to scroll up by a page Table 5 Preprogrammed Pipe Materials Pipe Material Category Specific Material Al Aluminum Rolled Brass None Cu Copper Annealed or Rolled CuNi Copper Nickel 70 Cu 30 Ni or 90 Cu 10 Ni Glass Pyrex Flint or Crown Gold Hard drawn Inconel None Iron Armco Ductile Cast Electrolytic Monel None Nickel None Nylon Polyethylene Polypropylene PVC CPVC or Acrylic Steel Carbon Steel or Stainless Steel Tin Rolled Titanium None Tungsten Annealed Carbide Drawn Zinc Rolled Other Any material Plastic c Press ENTER to confirm the choice TransPort PT878 User s Manual 31 Chapter 3 Programming Site Data 3 3 Entering Pipe Parameters cont d If you have selected Other the meter prompts you to enter the soundspeed Use the numeric keys to type the desired soundspeed in the te
9. Automatic Frequency High Low Duty Cycle Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 150 Digital Output Option 234 TransPort PT878 User s Manual Appendix A Menu Maps Menu Program User Functions Function ser5 Label Units Symbol Decimal Places EN Equation Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 151 User Functions Option TransPort PT878 User s Manual 235 Appendix A Menu Maps 236 Menu Correction Factors Reynolds Correction Reynolds Correction Off K V Factor ea Calibration Factor Calibration Factor off K Factor Table Single Table Data Source Edit Table Meter Data Source K Factor Edit Table Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu
10. The VW key to step through the available parameters e The A key to scroll back to a previously entered parameter e The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without changing the parameters 132 TransPort PT878 User s Manual 7 2 The Log Manager Chapter 7 Logging Data The Log Manager offers users a way to check the status and memory size of all the logs currently pending running or finished To select Log Manager scroll to the Manager entry on the Logging Menu and press ENTER The screen appears similar to Figure 89 below The right section of the screen supplies information for the log highlighted in the list on the left You can use the V and A arrow keys to scroll to a particular log and display information pertaining to File Log that log Log Manager View Sort BBB CCC Info AAA LOG State Finished 03 01 01 13 13 41 E 03 01 01 13 23 41 Interval 10 Seconds Records 51 03 01 01 13 23 21 1216 bytes 109568 bytes free Figure 89 Log Manager Window To access the menu for the Log Manager press the MENU key The cursor highlights the File Menu in the upper left corner Use the 4 and P keys to scroll to the desired menu and press ENTER to open the menu TransPort PT878 User s Manual 133 Chapter 7 Logging Data 7 3 The File Menu The File menu allows you not only to create new logs but also to copy
11. 0 0 eee eee eee eee 123 Configuring the Display 0 0 00 eee eee ce eee eee 89 Connects eai eis tee da Ad AA 6 Anal INPUts is is 7 Analog Outputs comedo a rd a Rass lso acid 7 POWE lid il Lote Mata iM 7 Transducers ss tt Seg bg ea eed is So Sas SAN ade ve es 7 Contrast OPON sur ts nae E eed Plea Eades 120 Contrast AdjUStNG wesc ook eo a eA a aaa ERG Se Ree eee 120 Correction Factors Option 0 0 eects 65 Correction Factors Entering 0 0 eee eee eee 65 Customizing SoftkeyS 0 eee eee nee 99 D Data Acquisition coord ese OSS ARES Sed 3 Data Sources Changing 0 0 00 eee eee cece 95 96 Date and Time Options ecc edie Coie PA ee oR SPSS RS Se 117 Date Entering viii ct lee aS Gade sais 115 116 Date Time Format Changing 0 0 0 eee cece ee eee 117 Defaults Resetting to 2 eee ce eee eee 199 Delta FOSE to 63ers sk et ERR SER ee eee eee 6 182 259 Detection Threshold arosi e a ass 175 Diagnostic Parameters Displaying ooocococcoocococooorr 176 DidSNOstics Lois oid ed Se ae baad wea a eas ek gS 201 204 Error Messages omic Sheet ses She Ses Heed ows ies 202 Optica 176 Digital Output Option o ooooocoococcccor eee ee 57 Display OPUS rs a ea 117 Display SCreen dt 18 COMA UI Ti ls bade REGS Fates Mapua ee 97 Displaying Data as Graph 0 eee ccc eee 92 Document Number devo perdi e Ga REFN Be Sage ARs i Drive Manager osa adas id 102
12. 24 Hour Communications See Figure 153 1 Data Points Max Points Edit Tables Transport PT878 User s Manual Figure 140 Meter Menu 223 Appendix A Menu Maps Menu Note Press F2 Cancel to cancel the entries and return to Menu Fogging Press F3 OK to confirm the entries and return to Menu Log Manager New Log Name Format Linear Circular Details Spreadsheet Type Standard Error Start End Interval Measurement New Clone Log Delete All Transfer Name Name Format Circular Type Standard Error Start End Interval Measurement Figure 141 Logging Menu Transport PT878 User s Manual 224 Appendix A Menu Maps Note Press F2 Cancel to cancel entries and return to Menu Press F3 OK to confirm entries and return to Menu Diag
13. Figure 152 Correction Factors Option TransPort PT878 User s Manual Appendix A Menu Maps Communications Node ID USB Comm Interface Baud Rate 600 119 2K 38 4K Parity Space Even Stop Bits 1 2 Data Bits 7 8 o Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 153 Communications Option TransPort PT878 User s Manual 237 no content intended for this page proceed to next page 238 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Appendix B Measuring P and L Dimensions Appendix B Measuring P and L Dimensions If you are using wetted transducers the PT878 requires you to enter the path length P and the axial dimension L P is the transducer face to face distance and L is the axial projection of P in the flow stream To determine L physically measure the distance between the center of the transducer ports at the inside wall as shown in Figure 154 below if possible If not consult the factory Figure 154 Top View of 180 Transducer Installation TransPort PT878 User s Manual 239 Appendix B Measuring P and L Dimensions
14. soft function keys On line help functions including pipe tables Storage for saving parameters for up to 64 sites Data Logging Memory capacity to log over 100 000 flow data points Keypad programmable for log units update times and start and stop times Display Functions Graphic displays shows flow in numeric or graphical format Also displays logged data Supports multiple languages English French German Japanese Spanish Castilian and South American Italian Portuguese Dutch Russian and Swedish Totalizers Pulse or frequency totalizer output 216 TransPort PT878 User s Manual Chapter 10 Specifications 10 4 Transducer 10 4 1 Clamp On Ultrasonic Flow Transducers Temperature Range Standard 40 to 150 C 40 to 300 F Optional overall 190 to 300 C 310 to 572 F Housing Standard None Optional List models or consult factory Mounting SS Chain or strap welded or magnetic clamping fixtures 10 4 2 Temperature Transducers Types Loop powered 3 wire platinum RTDs clamp on and wetted thermowell types are available Accuracy 0 15 C wetted RTDs matched pairs Range 20 to 260 C 4 to 500 F 10 5 Pipe Size and Material 10 5 1 Clamp On Transducers Materials All metals most plastics consult GE Sensing for concrete composite materials and highly corroded or lined pipes Pipe Sizes 12 7 mm to 7 6 m outside OD 0 5 to 300 in Pipe Wall Thickness
15. 68 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 11 3 Entering a Calibration Factor cont If you entered Table The menu asks first for the data source and then for the entry of values into the Correction Factor table This feature allows the user to curve fit velocity calibration multiple data points from several different data sources or flow variables to the flow rate reported by the PT878 a Press ENTER to open the Data Source window b Press F3 OK to confirm your selection Velocity is the only choice available 4 The prompt then asks if you wish to edit the K factor table a Press ENTER to open the table which appears similar to Figure 37 below Edit KFactor Table Data Source KFactor Figure 37 KFactor Table TransPort PT878 User s Manual 69 Chapter 3 Programming Site Data 3 11 3 Entering a Calibration Factor cont b Use the numeric keys to enter the desired value for the data source and press ENTER to confirm the entry c Press the P key to move to the KFactor column Use the numeric keys to enter the desired value and press ENTER to confirm the entry d Repeat steps b and c for the remainder of the table e When you have completed entering values press F3 OK to confirm the table and return to the Correction Factors window You have completed entering data for correction factors To confirm the
16. Change Language Changing the meter s language requires a restart Choose CANCEL to exit or OK to proceed Figure 81 Confirmation Window for Language Change 122 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 8 Changing the Display Language cont The meter restarts in Operate Mode in the desired language Figure 82 below illustrates a French version of the display shown in Figure 56 on page 92 ABC SIT 2000 11 30 09 53AM Ml Vitesse m s Gain dB Delta T ns 1 65 E2 Vitesse saine Figure 82 French Version of Typical Display Note The PT878 defaults to US English However one or more alternate languages can be installed at any time Consult your GE representative or www ge mcs com for available languages 6 9 Changing Communications Settings On occasion you might need to change the parameters by which the PT878 communicates with a PC over the USB interface While programming see Figure 153 on page 237 of Appendix A Menu Maps To check or change these parameters TransPort PT878 User s Manual 123 Chapter 6 Programming Meter Settings 6 9 Changing Communications Settings cont 1 From the Meter menu scroll to the Communications entry and press ENTER The Communications window appears similar to Figure 83 below Communications Node ID Comm Interface e USB Baud Rate 9600 Parity None Stop Bits 0 1 Core Data Bits O
17. PT878 User s Manual 245 Appendix C Temperature Transmitter Installation C 3 1 Connecting the RTD to the 4 to 20 mA Transmitter RTDs should have two common leads and one signal lead If you are using a GE RTD the wire colors may vary however two of the RTD wires will be the same color The wires that are the same color are the common leads and the remaining wire is the signal lead If you are using your own transmitter make the necessary connections If you are using the GE DTR connect the RTD wires to the terminal block labeled RTD Inputs Connect the common and signal wires to the appropriate pins as designated on the terminal block label Important The supply and return RTD cables must be the same length in order to make accurate temperature measurements When you have completed supply and return connections proceed to the next section 246 TransPort PT878 User s Manual Appendix C Temperature Transmitter Installation C 3 2 Connecting the Transmitter to the PT878 If you are using the GE DTR simply plug the LEMO connector into the I O connector as shown in Figure 156 below Transducer Upstream Downstream N O bg O jimi USB Port Input Output Figure 156 Connection Locations Note For input output cable connections see Table I on page 8 If you are using your own transmitter you must connect the special GE cable to
18. rename or delete logs as well as to print them or transfer them to a PC To open the File Menu from the Log Manager press the MENU key and then ENTER The screen appears similar to Figure 90 below Log Manager MIN Log View Sort Info AAA L Clone Selected Log Geis ead Rename S 03 01 01 13 13 41 Delete E 03 01 01 13 23 41 Delete All Logs Interval 10 Seconds Refresh Records 51 Transfer 03 01 01 13 23 21 1216 bytes 109568 bytes free Figure 90 File Menu in the Log Manager 134 TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 1 Setting up a New Log The New Log option enables you to create and set up parameters for a new log You can access this option in two ways e by scrolling to the New Log option in the Logging Menu as shown in Figure 88 on page 132 and pressing ENTER or e by scrolling to the New option in the File Menu of the Log Manager as shown in Figure 90 on page 134 and pressing ENTER In either case the Create New Log screen appears similar to Figure 91 below Use the four arrow keys to scroll to the desired letter or number and press ENTER Repeat this procedure until you have created the desired log name Press F1 Delete to remove any unwanted letters or numbers When you have finished press F3 OK to confirm the entry Create New Log Figure 91 New Log Window
19. scroll to the Refresh option and press ENTER e Press F2 Refresh In either case the window on the right of the File Manager displays the most recent file information 106 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 6 4 Deleting a File To delete a file in the File Manager first be sure you have highlighted that file in the left window of the File Manager Then press MENU scroll to the Delete option and press ENTER The screen appears similar to Figure 66 below File Manager Delete Confirmation Delete Site A SIT Figure 66 Delete Confirmation Window e Press F2 No to cancel the deletion and return to the File Manager or e Press F3 Yes to delete the site The File Manager appears with the highlighted site now deleted TransPort PT878 User s Manual 107 Chapter 5 Displaying and Configuring Data 5 6 5 Listing Files by Name If you want to list your files alphabetically by site name within the File Manager press MENU to open the File Menu Then press the P arrow key to scroll from the File Menu to the Sort Menu shown in Figure 67 below Press ENTER The File Manager screen refreshes with the sites listed in alphabetical order File Manager DEFAULT SIT Site TABLE MET FUNCTIO AAA LOG iS 09 04 02 14 51 10 CCC LOG 5111 bytes Q LOG 118272 bytes free Figure 67 Sort Subme
20. Displays transmit upstream signal corre N A N A lated with transmit downstream signal SS up Displays the signal strength for the 50 80 lt 50 upstream transducer SS do isplays the signal strength for the 50 80 lt 50 downstream transducer PEAK Displays the Percent of Peak Set to 40 by N A N A default To change see page 185 Qup Displays the signal quality for the upstream 300 or between transducer higher 100 Qdown Displays the signal quality for the down 300 or between stream transducer higher 100 Fup isplays the normalization factor for the 0 85 1 0 lt 0 85 pstream transducer Fdn isplays the normalization factor for the 0 85 1 0 lt 0 85 ownstream transducer Ps isplays the temperature for the supply A N A input energy measurement Displays the temperature for the return A N A input energy measurement Displays the difference between the tem A N A perature for supply input and the tempera ture for return input energy measurement Displays the density for the supply input A N A Energy measurement Displays the density for the return input A N A Energy measurement Displays the delta enthalpy or difference A N A between the supply and return enthalpy enthalpy is a measure of energy contained in the fluid Energy measurement TransPort PT878 User s Manual 205 Chapter 9 Diagnostics and Troubles
21. Functions Factors Material uminum Brass Measure Wall with T Gauge See Figure 143 For iron steel PVC CPVC ANSI a Yes No OD Schedule OD X Pl 80 160 Wall mm Nominal Note Press F2 Cancel to cancel the entries and return to Menu 1 2 to 48 Press F3 OK to confirm the entries and return to Menu Figure 139 Program Menu with Pipe Option Transport PT878 User s Manual 222 Menu Appendix A Menu Maps Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Battery Date Backlight Lan r Tables Condition Backlight Off Lighter English Date Separator 1 Time Separator Date Format MM DD DD MM Time Format
22. The PT878 now asks for log formatting and measurements The screen appears similar to Figure 92 on page 136 TransPort PT878 User s Manual 135 Chapter 7 Logging Data 7 3 1 Setting up a New Log cont Measurements Log Name 10SEC LOG Format Linear C Circular Type e Standard _ Error Start Date Time 2000 11 01 01 38 08 End Date Time 2000 11 01 09 38 08 Logging Interval 10 secs Figure 92 General Log Format Window To step through each parameter press the W key 1 The first prompt asks you to choose between a linear or circular format for the log a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 2 The next prompt asks you to choose whether the log is to be a standard or error log a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 136 TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 1 Setting up a New Log cont 3 The next prompt asks for the starting date and time a c Press ENTER to enter the text box The meter highlights the first number Use the 4 and P keys to scroll to any number you wish to change or the P gt key to scroll to the time box Two alternatives are available to change a highlighted number Use the numeric keys to
23. The Wave Snapshot function creates data files in the PT878 that correspond to raw and correlated data This data is useful to review meter performance in certain applications Wavesnapshot is generated at the PT878 UI by pressing the Service Test Wavesnapshot option The file name is typically WAVExx met where xx is a sequential number To transfer a Wave Snapshot file from the PT878 to a PC using HyperTerminal complete the following steps 1 2 Connect the PT878 to the PC Start HyperTerminal and set up the communication link to match the Com port and RS232 settings of the PT878 see Figure 129 on the next page From the PT878 select the Site Drive Manager option and then select the WAVExx met file you want to send to the PC To send the Wave Snapshot file from HyperTerminal proceed as follows a Select the Transfer Receive File option b Select the location of the file and select the XModem receiving protocol c Click Receive and enter the desired filename using the met extension From the PT878 Site Manager select the File Transfer option This will allow the PT878 to send the file to the PC using the secure XModem protocol File transfer is complete when the XModem Receive dialog box closes Note The file is transferred in GE Panametrics format and it must be 196 opened using the DOS ConvertWave exe program provided by GE TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 10 6 Transf
24. Vapor Pressure N A Evaporation Rate N A Solubility in Water complete Appearance and Odor water white opaque gel bland odor pH 7 35 7 9 Acoustic Imp 1 726 X 10 Vapor Density N A Specific Gravity 1 05 E 4 Fire and Explosion Hazard Data Flash Point none Upper Exposure Limit none Lower Exposure Limit none Special Fire Fighting Procedures N A Extinguishing media N A Unusual Fire and Explosion Hazards none E 5 Reactivity Data Stability stable Conditions to Avoid none Incompatibility Materials to Avoid none known Hazardous Polymerization will not occur Hazardous decomposition or Byproducts none known 254 TransPort PT878 User s Manual Appendix E Material Safety Data Sheet for Couplant E 6 Health Hazard and First Aid Data Routes of Entry 1 Skin not likely Eyes not normally Ingestion not normally Inhalation no ISOUNDSAFEO contains only food grade and cosmetic grade ingredients Effects of Overexposure Acute May cause temporary eye irritation Chronic None expected First Aid Procedures Skin Remove with water if desired Eyes Flush with water for 15 minutes Ingestion For large quantities induce vomiting and call a physician Inhalation N A E 7 Storage and Handling Information Precaution to be taken in handling and storage Store between 20 F and 120 F Spills are slippery and should be cleaned up immediately Steps to be taken in case m
25. Zero Material Signal Display Figure 112 Graph Window in Zoom Format e Press F1 In to zoom in to magnify screen details e Press F2 Out to zoom out fully e Press F3 to toggle between the left and right cursors e Press lt d and P to move the selected cursor left and right e Press V to select the graph e Press A to return to tab navigation e Press ESC to return to Operate Mode without saving the calibration changes TransPort PT878 User s Manual 167 Chapter 8 Servicing the PT878 8 4 4 Calibrating the Thickness Gauge Transducer To zero the transducer offsets go to the Zero tab Press the lt q or P arrow key until you reach the Zero tab and press ENTER The screen appears similar to Figure 113 below Thickness Gauge Measure Display Graph Velocity R amp A Material Single O Dual Calibration Block 1 Length o mm Calibrate Transducer Delay US Calculated 0 Current 0 Figure 113 Zero Window Dual Point Calibration Note The factory recommends dual calibration Dual point calibration is more reliable but it requires two known thickness levels of the calibration material Use single point calibration only if you know the velocity of the calibration block material to a high degree of accuracy For single point calibration complete the following procedure but skip steps 6 7 and 8 See Appendix D for more information 168
26. additional information allows you to tailor measurements as specifically as possible to your particular application Once you have entered this data you can save it in files and recall these files for later use The PT878 can store up to 1 MB or 32 site files of data in the meter at any one time But through the USB link users can store an unlimited number of sites in a PC and then upload the sites they will actually use This chapter covers entering e Transducer pipe and fluid parameters e Input output and other setup parameters e User functions TransPort PT878 User s Manual 21 Chapter 3 Programming Site Data 3 1 Entering the Program Menu To enter the Program Menu press the MENU key at the lower right of the PT878 keypad The Menu Bar replaces the Status Bar at the top of the screen Press the P arrow key once to scroll from the Site Menu to the Program Menu At the Program Menu press ENTER The screen appears similar to Figure 9 below While following the programming instructions see Figure 139 on page 222 of Appendix A Menu Maps el Meter Logging Service Vel Transducer Signal dB Pipe Lining Fluid 32 Path Energy A De Analog Input Volume l s Analog Output Digital Output User Functions Correction Factors EO No Errors Figure 9 Program Menu To scroll to a particular option press the W Jor A arrow keys until you reach the option Then press ENTER to open
27. 1 3 Taper or Eccentricity If the contact surface and the back surface are tapered or eccentric with respect to each other the return echo again becomes distorted and the accuracy of measurement is diminished D 1 4 Acoustic Properties of the Material There are several conditions found in engineering materials that can severely limit the accuracy and thickness range that can be measured D 1 4a Sound Scattering In some materials notably certain types of cast stainless steel cast irons and composites the sound energy is scattered from individual crystallites in the casting or from dissimilar materials within the composite This effect reduces the ability to discriminate a valid return echo from the back side of the material and limits the ability to gauge the material ultrasonically D 1 4b Velocity Variations A number of materials exhibit significant variations in sound velocity from point to point within the material Certain types of cast stainless steels and brass exhibit this effect due to a relatively large grain size and the anisotropy of sound velocity with respect to grain orientation Other materials show a rapid change in sound velocity with temperature This is characteristic of plastic materials where temperature must be controlled in order to obtain maximum precision in the measurement 252 TransPort PT878 User s Manual Appendix D Ultrasonic Thickness Gauge Theory of Operation D 1 4c Sound Attenuation or Absorpti
28. 138 x 38 mm 9 4 x 5 5 x 1 5 inches Weight with boot 1 36 kg 3 1b 10 1 3 Enclosure Submersible IP67 10 1 4 Flow Accuracy Velocity of reading Clamp on Transducers Pipe Diameter gt 150 mm 6 in 1 to 2 of reading typical Pipe Diameter lt 150 mm 6 in 2 to 5 of reading typical TransPort PT878 User s Manual 213 Chapter 10 Specifications Note Accuracy depends on pipe size and whether measurement is one path or two path Accuracy to 0 5 of reading may be achievable with process calibration Range 12 2 to 12 2 m s 40 to 40 ft s Rangeability 400 1 Repeatability 0 1 to 0 3 of reading Note Specifications assume a fully developed flow profile typically 10 diameters upstream and 5 diameters downstream of straight pipe run and flow velocity greater than I ft s 0 3 m s Energy AccuracyThe accuracy of the energy measurement is a of reading combination of the accuracy of the flow and temperature measurement Accuracy of 1 is typical for calibrated systems Low Voltage This unit complies with European Standard Directive EN61010 1 Installation Category II Compliance Pollution Degree 2 EMC This unit complies with EN61326 1998 Directive CL A Annex C For continuous unmonitored Compliance operation follow provisions of the 89 336 EMC Compliance 10 2 Electrical Internal Batteries Type Rechargeable batteries Optional NiCad 6p nonrechargeable alkaline available B
29. 147 Energy Option TransPort PT878 User s Manual 231 Appendix A Menu Maps Menu Program Analog Input Input A Input B Energy Enabled Energy Disabled Function General Purpose Label Units Zero Span Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 148 Ana 232 log Input Option TransPort PT878 User s Manual Appendix A Menu Maps Menu Program Analog Output Function 0 20 mA 4 20 mA Data Source Zero Span On Error Hold Last Value Force Low Force High Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 149 Analog Output Option TransPort PT878 User s Manual 233 Appendix A Menu Maps Menu Program Digital Output Function Pulse Frequency Test Points Input Totalizer Signal Gate Active Data Source Receive Pulse Totalizer Frequency Units Pulse Min Pulse Width Frequency Polarity Max Closed
30. 3 Repeat step 2 to enter the maximum threshold 4 The final prompt asks for the percent of peak a Press ENTER to open the text box b Use the numeric keys and the key for negative numbers to enter the desired percentage c Press ENTER to confirm your entry You have completed entering data for Peak Detection To leave this window Press the A key to return to the Peak Detection tab and the lt 4 arrow key to move to the Signal Parameter tab e Press F2 Cancel to return to Operate Mode without confirming the changes e Press F3 OK to confirm the new data and return to Operate Mode TransPort PT878 User s Manual 185 Chapter 8 Servicing the PT878 8 8 3 Selecting the Transmit Code The Pulse Code tab allows users to select the transmit code used by the PT878 to make measurements The default option Auto directs the meter to select the optimal code based on the pipe size From the Signal Parameter tab press the gt arrow key twice to move to the Pulse Code tab as shown in Figure 122 below Signal Setup Signal Para Peak Detect Pulse Code Transmit Code Cancel Figure 122 Pulse Code Window Signal Setup Option 1 Press the W arrow key to reach the Transmit Code prompt and press ENTER to open the drop down menu 2 Use the WV or A arrow keys to scroll to the desired number of pulses 1 2 4 11 or to Auto for automatic code selecti
31. 449 tine Jr Jar Figure 105 Log Spreadsheet Window Use the and P keys to scroll to other columns or the V or A keys to scroll backward or forward in time e To alter the times displayed press F1 Time The Enter Time window shown on page 153 opens Follow the instructions on page 153 to change the date or time e To refresh the display press F2 Refresh The display shows the most current data e Press F3 Exit to return to the Log Manager 154 TransPort PT878 User s Manual Chapter 7 Logging Data 7 6 The Sort Menu The Sort Menu within the Log Manager allows you to arrange your log list either alphabetically By Name or chronologically By Date Log Manager File Log View AAA Y By Name LOG By Date ished BBB Bee 13 13 41 CCC E 03 01 01 13 23 41 Interval 10 Seconds Records 51 03 01 01 13 23 21 1216 bytes 109568 bytes free Figure 106 Sort Menu in the Log Manager 7 6 1 Listing Logs by Name If you want to list your logs alphabetically by log name within the Log Manager press MENU to open the File Menu Then scroll from the File Menu to the Sort Menu shown in Figure 106 above Press ENTER The Log Manager screen refreshes with the sites listed in alphabetical order 7 6 2 Listing Logs in Chronological Order If you prefer to list your logs chronologically by time of creation within the Log Manager press MENU to open th
32. Conditioning NiCad batteries a process that can take up to 12 hours for a fully charged pack discharges the pack completely and then performs a fast charge Note When conditioning the batteries be sure you have plugged the AC adapter into the PT878 and pressed the power key NiMH batteries normally do not require conditioning To open the option window 1 From the Meter menu scroll to the Battery entry and press ENTER The Battery Charger window opens as shown in Figure 78 below 2 If you wish to open the Part Number window press ENTER You can choose from a 1 8 Ahr NiCad battery part number 200 058 or a 3 0 Ahr NiMH battery part number 200 081 Scroll to the battery type you have installed and press ENTER Note Jf you do not set the correct battery type in the Part Number window the battery continues to function but the battery status icons see page 13 will not be accurate Battery Charger Status Full Charge Run Time Remaining Se PHO Battery Voltage 5 78 Volts Battery Type NiCd Backup Battery OK Part Number 1 8Ahr NiCd 200 058 Condition Battery Cancel Figure 78 Battery Charger Window 114 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 3 The Battery Charger cont 3 To condition the batteries press the ENTER key The Condition Battery window should now read Stop The status line should change to Discharging Updat
33. ENTER 3 The Create New Log window see Figure 91 on page 135 opens Follow the procedure discussed on page 135 to create a log name and press F3 OK to confirm the name 4 The General Log Format window shown in Figure 92 on page 136 opens Follow the procedure discussed on page 136 and page 137 to change any settings Note Unless otherwise specified the cloned log always begins at the current date and time and ends after the period of time used by the original log 5 Ifyou wish scroll to the Measurements window shown in Figure 93 on page 138 and follow the procedure discussed on page 138 and page 139 to modify any parameters 6 When you have completed modifying the log parameters press F2 Cancel to cancel the log or F3 Activate to confirm and start the new log The PT878 returns to the Log Manager which now displays the status of the cloned log 140 TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 3 Renaming a Log To rename a log 1 First select the log you wish to rename in the Log Manager shown in Figure 89 on page 133 Then open the File Menu scroll to the Rename option and press ENTER The Rename Log window opens Except for the heading the window is identical to the Create New Log window shown in Figure 91 on page 135 Follow the procedure discussed on page 135 to create a log name and press F3 OK to confirm the name The PT878 returns to the Log Mana
34. Figure 142 on page 225 of Appendix A Menu Maps Site Program Meter Logging SAMH E Velocity ft s Reports T Gauge Display T Gauge Setup Calibrate Diagnostics Signal Setup Error Limits Delta T ns Test Factory Defaults Flash Update Figure 105 Service Menu To scroll to a particular option press the V or A arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press The VW key to step through the available parameters e The A key to scroll back to a previously entered parameter e The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without changing the parameters 158 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 2 Transferring Reports Reports are found in the PT878 Service Reports menu The reports are used in troubleshooting as well as for data backup and they may be transferred from the PT878 to a PC using HyperTerminal Reports include Drive contents Current site data Global settings User functions User tables Menu commands To transfer a report as text from the PT878 to a PC using HyperTerminal complete the following steps 1 2 Connect the PT878 to the PC as discussed on page 9 Start HyperTerminal and set up the communication link to match the Com port and RS232 settings of the PT878 see Figure 106 below From the PT878 select th
35. HyperTerminal To save the log file as text from HyperTerminal proceed as follows a Select the Transfer Capture Text option b Select the location and filename of the log file Then click Start c Transfer the log file as text from the PT878 and then select the Transfer Capture Text End option from HyperTerminal The log file transfer as text is now complete 144 COM3 Properties Port Settings fits per second 38400 Figure 97 COM Properties TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 7c Transfer Log Files as Binary Data Using HyperTerminal To transfer a log file as binary data from the PT878 to a PC using HyperTerminal complete the following steps Connect the PT878 to the PC page 9 2 Start HyperTerminal and set up the communication link to match the Com port and RS232 settings of the PT878 see Figure 9 below 3 From the PT878 select Logging Log Manager and select the Log file you want to send to the PC 4 From Log Manager select File Transfer as Text This should print out the Log file as text to HyperTerminal 5 To save the log file as binary data from HyperTerminal proceed as follows a Select the Transfer Receive File option b Select the location of the log file and select XModem as the receiving protocol c Click Receive and enter the desired filename using a log extension 6 From the PT878 Site Manager select the File Transfer option This will allow the P
36. Peak Detect if Pulse Code i Delta T Offset 5 ns Transmit Sample Size Zero Cutoff Velocity Averaging Errors Allowed Figure 120 Signal Parameter Window TransPort PT878 User s Manual 181 Chapter 8 Servicing the PT878 8 8 1 Setting up Signal Parameters 1 2 Press the V arrow key to enter the window The first prompt asks for the Delta T offset Delta T is the difference between the upstream and downstream transit time of the transducers The Delta T offset should normally be set to zero Note Consult the factory before performing this step a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry The next prompt the transmitter sample size is the number of pulses each transmitter upstream and downstream emits It is set to 8 by default Note Consult the factory before performing this step 182 a Press ENTER to open the drop down list b Use the V or A arrow keys to scroll to the desired number c Press ENTER to confirm your selection The next prompt asks for the zero cutoff Near zero flow the PT878 may have fluctuating readings due to small offsets caused by factors such as thermal drift in the fluid The zero cutoff causes velocity measurements less than the cutoff to be reported as zero To set the cutoff a Press ENTER to
37. Sample SIZE e ccnn a ib eds 182 261 Traverses Entering Number gt s ss oso corses epsamen eee eee 40 Troubleshooting 2 ceed a bee ida 201 Brror Messages 2200065 cis95 sags cies besos ehh es eas Shea ee 202 Turning On Off ci cn cos 15 LW Came delay AA A A SR Ae ad 26 U Units Option san A Y Ah eee 113 USB Communications Changing Parameters 0 0 eee cee eee 123 Fl Transfer sf ties fio parir 104 Using Drive Manager 0 0 00 ec eee ee eee 102 User Functions Options ut Pie BERNA E 61 User Functions Entering daa da dad is 61 User Table Option sss ise se ii A E 127 User Tables Creating iii ee haat bl eebe fed Maes dde ddr 127 V Velocity Averaging oi osen a Anes li a p t 183 Velocity Limits vx oda A is Tega ties E ia 188 View All Sites Option p ne eenean e eee eee ee 148 View Menu in Log Manager 0 0c cece eee 149 View OPUS owes on OES 92 WwW Walras 275 Watchdos Testis setres ise tp twee Oooo AA a GRR 193 Wave Sampling tt wnat tea ace i ea eat eens 195 Wave Snapshot ODON mses irae p sa eK e EEE ee eee eee 195 Wedge Angle Entering siooni aA e T EAE EE eee 26 Wedge Sound Speed Entering 0 0 eee eee 29 Wedge Temperature Entering 0 0 eee ee eee 29 WEEE DifectiVeis ys steve E Wes ey Mase re Mae ee eee v Wetted Transducers Path Parameters for o ooooooooooooooooo 41 Z Zero Base Value for Analog Output 0 00 0 e eee ee eee 56 272 TransPort
38. Specifications e400 c Fa eas A RU ee a Sons Ce 218 Theory of Operation 00 0 eE E E E EAE LRE RR 249 Thickness Gauge Setup paree s e pier a ENE A eE eee eee 175 Detection Threshold 0 00 e cece eee ee 175 Signal Inversion oa 34 eee dot oS 175 260 Transducer Delay it saints sets a deen AA 174 Time Delay Entering lt 2000 6 6 04 toda tei sr 26 Time Enter aise 64 A os BAR ASS Sina Oe DIR Meese 115 116 Timing CCU ca Sais hae Meee Bak Bh eee Ae ee isa bad 3 Totals Resetting i005 sca aka RA kak Shoe es Shas 126 Tracking Windows aos oia o See ee 37 Transducers irse giles Se ED E 261 CONNECHONS ati a A Sada 7 DE a REA RS AAA RAR RARA 174 Entering Data Oia AAA VA 23 Number Entering citar Er ot dan 24 OPUON a A A A E atid gar i 23 Signal Limits corr Eg heey is E T eects 187 Spacing Entering sito td tr 40 Special eiii iia ita 26 SPECITICALI NS s mi rl le 217 Transducers ia eo a eww 2 Axial Dimension see soe Rees Rite is A ii 239 Bias 90 Installations isna ena a a E E eee 239 Installation Angle oessa pasese hoe seas AA SDE eter 239 Path Entra a o dio dos odio bird 239 Problems rior RIOR 208 Wetted or Clamp On 0 a a aa eects 23 Transfer Logs icc sees cia eet bees Oeste eas bees bee EN 143 TransPort PT878 User s Manual 271 Transit Time Theory of 0 0 0 0 00 ee cece eee een en ene 4 262 Transmit Signal Generator csore reunan mepi a aa cece eee 3 Transmitter ega a betes A aint A A AA 3
39. The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 125 Chapter 6 Programming Meter Settings 6 10 Resetting Forward and Reverse Totals On occasion it might be necessary to clear and reset the forward and reverse totals computed by the Forward and Reverse Totalizers To reset the totals 1 From the Meter menu scroll to the Totals entry and press ENTER The window now appears similar to Figure 84 below Site Program Belg ogging Service Velocity Units Signal dB Battery Date Time Locale 0 Contrast Backlight Language Communication MAILS Figure 84 Resetting Totals Menu 2 Usethe W or A arrow keys to choose the total to be reset 3 Press ENTER to reset the total s The meter resets the selected total s to 0 0 and returns to Operate Mode 126 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 11 Setting Up User Tables When you program user functions see page 61 you can also support them with up to six user tables of non linear or empirical data To program one or more user tables 1 From the Meter menu scroll to the User Tables entry and press ENTER The window now appears similar to Figure 85 below User Function Tables Table Table 1 Table ID UserTable1 Data Points
40. The equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse or recycle most of the materials of your end life equipment in a sound way The crossed out wheeled bin symbol invites you to use those systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration Visit http www ge mcs com en about us environmental health and safety 1741 weee reg html for take back instructions and more information about this initiative TransPort PT878 User s Manual vi no content intended for this page proceed to next page TransPort Model PT878 Portable Liquid Flowmeter User s Manual Chapter 1 Features and Capabilities EL OVESEN iia eM adhe andadas ead 1 T2 SYSTEM Descrip asare ino at mates delata 2 Lalo The low cli a cia 2 1252 Electronics PACKAGE tt cat cea ewe Ne ele int nie 3 1 3 Theory of Operation 0 ccc narrar 4 Chapter 2 Initial Setup 2 1 Making Electrical Connections isis na Mae a ai 6 21 11 POWEF CONNECTIONS skeerne ex a a dit ette e teh 7 2 1 2 Transducer Connections 0 0 e ce
41. User s Manual 151 Chapter 7 Logging Data 7 5 2 Displaying Log Data in Graphical Form cont Limits Max Range Q Set Minimum 52 Maximum 52 2003 03 01 2003 03 01 13 23 41 PM 13 53 41 PM Figure 103 Y Axis Window The Y Axis window shown in Figure 103 above allows you to specify whether the Y axis on the graph extends to the maximum value Max over the entire range Range or between certain specified values Set 1 Use the lt and P keys to scroll to the desired limit type Press ENTER to confirm the entry If you select Max or Range for limits you have finished entering data in this form If you select Set the PT878 asks for minimum and maximum limits 2 Press the W key to reach the Minimum text box a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry 3 Repeat step 2 to enter the Maximum value 4 When you have finished press F2 Cancel to cancel the entries or F3 OK to confirm the entries and change the graph 152 TransPort PT878 User s Manual Chapter 7 Logging Data 7 5 2 Displaying Log Data in Graphical Form cont If you wish to alter the time scale press F2 Time The Enter Time window appears similar to Figure 104 below AAA LOG Velocity ft s Enter Time Start Date Start Time 2003 03 01 13 23 41 PM End Date End Time 2003 03 01 13 53 41 PM
42. Y Y Y Y day month year b Use the V or A arrow keys to scroll to the desired format c Press ENTER to confirm your entry The PT878 now asks you to select whether you want the time presented in a 12 hour format for example 11 53 23 PM or in a 24 hour format 23 53 23 a Press ENTER to open the drop down menu b Use the V or A arrow keys to scroll to the 12 hour or 24 hour entry c Press ENTER to confirm your entry TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 5 Changing Date and Time Appearance cont A line at the bottom the Date Time Decimal Formats displays how the format and separator selections will appear on the screen Pressing the V arrow key returns the PT878 to the Locale tab To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 119 Chapter 6 Programming Meter Settings 6 6 Adjusting the Contrast For more comfortable viewing in a particular environment the PT878 enables you to adjust the screen contrast To adjust the screen contrast 1 From the Meter menu scroll to the Contrast entry and press ENTER The Display Options window opens on the Display tab as shown in Figure 80 below From the Format tab press the 4 key to move to
43. are mounted on delay lines that are usually cut at an angle to the horizontal plane the roof angle so that the transmitting and receiving beam paths cross beneath the surface of the test piece This crossed beam design of duals provides a pseudo focussing effect that optimizes measurement of minimum wall thickness in corrosion applications Duals will be more sensitive than single element transducers to echoes from the base of pits that represent minimum remaining wall thickness Also duals may often be used more effectively on rough outside surfaces Couplant trapped in pockets on rough sound entry surfaces can produce long ringing interface echoes that interfere with the near surface resolution of single element transducers With a dual the receiver element is unlikely to pick up this false echo Finally duals may be designed for high temperature measurements that would damage single element contact transducers TransPort PT878 User s Manual 249 Appendix D Ultrasonic Thickness Gauge Theory of Operation D 1 Factors Affecting Performance and Accuracy A Surface Condition Loose or flaking scale rust corrosion or dirt on the outside surface of a test piece will interfere with the coupling of sound energy from the transducer into the test material Thus any loose debris of this sort should be cleaned from the specimen with a wire brush or file before measurements are attempted Generally it is possible to make corrosion measurement
44. changes the number to 07 You can scroll from 01 to 12 for the month and from 01 to 31 for the day depending on the number you have selected for the month In either case press ENTER to confirm the entry To enter or change the time 1 From the time text box press the V key once to scroll to the time text box This box displays the current meter time 2 Press ENTER to enter the text box The meter highlights the first number Use the lt d and P keys to scroll to any number you wish to change 3 Two alternatives are available to change a highlighted number e Use the numeric keys to enter the desired number e Use the V or A arrow keys to scroll in 1 digit increments to the desired number For example 1f the text box highlights 09 pressing the V key twice changes the number to 07 You can scroll from 01 to 12 for the hour and from 01 to 59 for the minute and second inputs 4 In either case press ENTER to confirm the entry Pressing the W or A arrow keys causes the meter to scroll within the Meter Settings options To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode 116 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 5 Changing Date and Time Appearance In addition to setting the corre
45. cont d Press the P arrow key to move to the maximum signal box and repeat steps a b andc e Press the 4 arrow key to return to the minimum signal box and the W key to move to the next limit 2 The next prompt calls for the low and high velocity limits The E3 VELOCITY RANGE error message appears if the velocity falls outside these limits Repeat Step 1 on page 187 to enter the desired limits 3 The third prompt calls for the low and high limits for the amplitude discriminator The discriminator measures the size of the transducer signal sent from the PT878 If the signal falls outside these limits the E5 AMPLITUDE ERROR message appears Repeat Step 1 on page 187 to enter the desired limits 4 The fourth prompt asks for the acceptable limits for the soundspeed based on conditions in your particular system The E2 SOUNDSPEED ERROR message appears if the fluid soundspeed exceeds that entered in the Pipe option of the Program menu by more than this percentage The default value is 20 of the nominal soundspeed a Press ENTER to open the text box b Use the numeric keys to enter the desired percentage c Press ENTER to confirm your entry 5 The final prompt asks for the acceleration limit for detecting cycle skipping The E6 ACCELERATION ERROR message appears if the velocity changes by more than this limit from one reading to the next a Press ENTER to open the text box b Use the numeric keys to enter th
46. is good to 212 F 100 C or CPL 2 for up to 500 F 260 C In addition make sure the pipe wall is free of paint and rust Contact the factory if you cannot solve a transducer related problem 9 4 3 Relocating Transducers If the coupling or pipe wall are not the problem try relocating the transducers using the following method However before beginning make sure the transducers are not located on or near pipe welds or seams Move one transducer about 1 2 inch 12 7 mm closer to the other transducer If this resolves the problem you must modify the S dimension programmed into the PT878 by using the following steps 1 Press MENU 2 Scroll to the Program menu and press ENTER 3 Scroll to the Path option and press ENTER Then scroll down to the Spacing box and press ENTER 4 Use the numeric keys to enter the transducer spacing Subtract 0 5 in 12 7 mm from the original S and enter the new S dimension 5 Press F3 OK If this method does not resolve the problem contact the factory 210 TransPort PT878 User s Manual Chapter 10 Specifications Chapter 10 Specifications This section contains specifications for the following e Overall e Electrical e Transducer e Fluid Types e Pipe Size and Materials e Available Options 10 1 Overall 10 1 1 Hardware Configuration Channel Options Single channel Mode Options Transit time 10 1 2 Size Weight Size without boot 238 x
47. lining Consult the factory before measuring the thickness of lined pipes Note When measuring the thickness of certain pipe materials you might need to drain the pipe before measuring the pipe wall because certain pipe liquid combinations muffle the ultrasonic echo Signal inversion should be on unless you have received other instructions To change its status use the lt Q and P arrow keys to move to the appropriate radio button and press ENTER 5 To enter the noise threshold a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry 6 The final value the detection threshold represents the percent of peak the PT878 uses to make measurements It will consider anything above the entered percentage as part of the signal To change this value a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry You have finished entering values for the Programming window To leave this window e Press the 4 arrow key to move to the Materials tab e Press F2 Cancel to return to Operate Mode without confirming the changes The PT878 returns to Operate Mode e Press F3 OK to confirm the new data and return to Operate Mode The PT878 returns to Operate Mode TransPort PT878 User s Manual 175 Chapter 8 Servicing the PT878 8 6 Displaying Diagnostic Parameters The Diagno
48. new data The PT878 returns to Operate Mode TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 7 2 Calibrating Inputs To open the Inputs window press the P arrow key and press ENTER The screen appears similar to Figure 119 below Note Calibrating the analog inputs requires use of a current source Calibrate Test I O Analog Output Analog Input Input Low 4 mA High 20 mA Calibrate Cancel Figure 119 Inputs Window in the Calibrate Option 1 Press the V arrow key to enter the window 2 The first prompt asks you to select the input a Press ENTER to open the drop down list b Use VW Jor A arrow key to scroll to the desired output A or B c Press ENTER to confirm your selection 3 The next prompt asks for the value to which you want to set the low input 0 or 4 mA a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry TransPort PT878 User s Manual 179 Chapter 8 Servicing the PT878 8 7 2 Calibrating Inputs cont 4 Press the P arrow key to move to the Read box and then press ENTER to read the low input 5 The next prompt asks for the value to which you want to set the high input 20 mA a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm y
49. open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 8 1 Setting up Signal Parameters cont 5 The next prompt asks for velocity averaging a Press ENTER to open the drop down list b Use the V or A arrow keys to scroll to the desired number of velocity measurements to average together to smooth out noise in the system c Press ENTER to confirm your selection 6 The final prompt errors allowed specifies the number of errors the meter can record before displaying an error message a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry You have finished entering data in the Signal Parameter window To leave this window e Press the V key to return to the Signal Parameter tab and the gt arrow key to move to the Peak Detection tab e Press F2 Cancel to return to Operate Mode without confirming the changes e Press F3 OK to confirm the new data The PT878 returns to Operate Mode TransPort PT878 User s Manual 183 Chapter 8 Servicing the PT878 8 8 2 Setting up Peak Detection The PT878 can use two different methods to identify the peak of the received signal In the Peak method the peak is identified by testing a derivative of the signal In the Threshold method the peak is
50. the Display tab To step through each parameter press the V key Display Options MEDIA Format gt Darker Lighter Backlight Off 3 Min Language English Cancel Figure 80 Display Tab in the Display Options Window 2 Scroll to the Darker or Lighter box as desired 3 Press the ENTER button repeatedly until the screen has the desired contrast Note Ifyou find the screen has become too light or too dark scroll to the other box and press ENTER until you have adjusted the screen to your satisfaction 120 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 6 Adjusting the Contrast cont To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode 6 7 Setting Backlight Timeout By using the Backlight Timeout option you can set a specified time that the PT878 backlight will remain on before turning itself off Automatic turnoff enables the PT878 to conserve battery power To set the backlight timeout 1 From the Meter menu scroll to the Backlight entry and press ENTER The Display Options window opens on the Display tab as shown in Figure 80 on page 120 Press the V key three times to reach the Backlight Off text box Then press ENTER to ent
51. the PT878 flowmeter s operation and calculates flow measurements derived from the transmitted and digitized received signals Also the microcomputer continually checks for faults and allows the use of built in diagnostics for troubleshooting e INPUT OUTPUT The input output circuitry allows the flowmeter to indicate the measured flow with the 0 4 20 mA current loop and to output to a remote device The digital output supports frequency or pulse output as well as use as a gate input it can also act as a test point for triggering an oscilloscope from the transmit or receive window TransPort PT878 User s Manual 3 Chapter 1 Features and Capabilities 1 3 Theory of Operation The PT878 is a transit time ultrasonic flowmeter When ultrasonic pulses are transmitted through a moving liquid the pulses that travel in the same direction as the fluid flow downstream travel slightly faster than the pulses that travel against the flow upstream The PT878 uses various digital signal processing techniques including cross correlation to determine transit times and then uses the transit times to calculate flow velocity During operation two transducers serve as both ultrasonic signal generators and receivers When mounted on a pipe they are in acoustic communication with each other so that each transducer can receive ultrasonic signals transmitted by the other transducer Each transducer thus functions as a transmitter generating a cert
52. the remainder of the table e When you have completed entering up to 20 values press F3 OK to confirm the table and return to the Custom Cp window e To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 49 Chapter 3 Programming Site Data 3 8 Entering Analog Inputs The Analog Input option enables you to specify parameters for general purpose or energy inputs To enter the Inputs option scroll to the Analog Input entry on the Program Menu and press ENTER If you have not enabled the Energy Option see page 42 the screen appears similar to Figure 26 below To step through each parameter press the V key Refer to Figure 148 on page 232 of Appendix A Menu Maps 3 8 1 Entering General Purpose Analog Inputs Analog Input Input A Y Input B Function General Purpose Label Inlet Temp Units C Zero Span Cancel Figure 26 Analog Inputs Option Window 1 The first prompt asks you to select whether the desired function is off or general purpose a Press ENTER to open the drop down menu b Scroll to the desired response c Press ENTER to confirm your selection 50 TransPort PT878 User s Manual Chapter 3 Progra
53. to Figure 39 below UN ENE DEFAULT Info DEFAULT SIT New Site CURRENT SITE 09 04 00 14 51 10 5111 bytes 118272 bytes free Figure 39 Site Manager Window Note Each PT878 comes preprogrammed with a basic site Default which serves as a basis for saving data and creating other sites The right section of the screen supplies information for the site highlighted in the list on the left 1ts date time and size as well as the remaining amount of free memory You can use the V and A arrow keys to scroll to a particular site and display information pertaining to that site To open the Site Manager menu press MENU and then ENTER The screen now appears similar to Figure 40 on page 73 72 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 The Site Manager cont Site Manager IEA Site Sort New EFAULT SIT Open ite Save Save As Refresh Rename Delete 4 00 14 51 10 bytes 118272 bytes free Figure 40 Site Manager Menu Depending on the choice made above proceed as follows e To create a new site go to page 74 e To open an existing site thus replacing the current site go to page 76 e To save a current site go to page 77 e To refresh site information go to page 79 e To rename a site go to page 78 e To delete a site go to page 80 You can access five additional functions from the Site submenu shown in Fig
54. to scroll from the File Menu to the Site Menu Press ENTER The screen appears similar to Figure 48 below US MEMES File PIGH Sort pef Message alae ite Transfer Transfer as Text 09 04 00 14 51 10 5111 bytes 118272 bytes free Figure 48 Site Menu in the Site Manager 2 Press ENTER to select Message which opens the text creation window shown in Figure 49 on page 82 TransPort PT878 User s Manual 81 Chapter 4 Creating and Managing Sites 4 1 8 Creating a Site Message cont Figure 49 Text Creation Window 3 Use the four arrow keys to scroll to the desired letter or symbol and press ENTER to add the letter to the message Note Pressing SEL causes the screen to alternate between a set of upper case capital letters a set of lower case letters and a set of symbols Use all three screens to create a desired message 4 Repeat this procedure for each letter or symbol you wish to add to the message If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label When you have completed the message press F3 OK to confirm the message or F2 Cancel to leave the window without adding the message 82 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 9 Transfer Files Between the PT878 and a PC 4 1 9a Site Files Site files contai
55. transmitted through a moving liquid the pulses that travel in the same direction as the fluid flow downstream travel slightly faster than the pulses that travel against the flow upstream When the liquid in the pipe is not flowing the transit time downstream equals the transit time upstream When the liquid is flowing the transit time downstream is less than the transit time upstream The difference between the downstream and upstream transit times is proportional to the velocity of the flowing liquid and its sign indicates the direction of flow Traverses Number of times the ultrasonic signal crosses the pipe User Functions User defined mathematical equations for use with any measurement User Tables User defined tables of data for use with user functions Velocity Averaging Parameter that averages a desired number of velocity measurements to smooth out or dampen noise in the system Watchdog Test Option in the Service Menu that tests the watchdog timer circuit If a software error causes the meter to stop responding this circuit automatically resets the meter Wave Snapshot Option in the Service Menu that enables users to capture waveforms for downloading to a PC for analysis or for simulating a flow measurement Wedge Angle Angle of the transducer s ultrasonic transmission in the transducer wedge Zero Cutoff Parameter that causes velocity measurements less than the absolute value of the
56. use it to space the transducers Use the Liquid Transducer Installation Guide 916 055 to assist in installing transducers on the pipe Press the W key to scroll to the next parameter b If necessary you can overwrite the spacing to match the actual physical spacing of the transducers Do not change the spacing by more than 10 from that calculated by the meter Use the numeric keys to enter the desired value and press ENTER to confirm the entry If you have entered an invalid entry the PT878 rejects the entry and displays an error message Note tis not recommended that you use a spacing other than the one calculated by the PT878 After you enter the spacing pressing the A key returns the prompt to the Traverses box and then to the Path tab at the top of the screen 40 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 6 2 Path Parameters for Wetted Transducers If you are using wetted transducers the PT878 path menu includes the following set of parameters e Path Length e Axial Length The meter first prompts for the path length P of the ultrasonic signal GE has calculated the path length based on the transducer configuration for your particular application Find the path length on the flowcell or on other supplied documentation a Press ENTER to enter the text box b Use the numeric keys to enter the appropriate number c Press ENTER to confirm the entry Note Ifthe documenta
57. within a defined area and establishing a minimum and or average thickness Ideally data should be taken at increments no greater than half the diameter of the transducer to insure that no pits or other local variations in wall thickness are missed It is up to the user to define a pattern of data collection appropriate to the needs of a given application It is possible that on some severely corroded or pitted materials there will be spots where readings cannot be obtained This can happen when the inside surface of the material is so irregular that the sound energy is scattered rather than being reflected back to the transducer The lack of a reading may also indicate a thickness outside the range of the transducer and instrument being used Generally an inability to obtain a valid thickness reading at a particular point on a test specimen could be a sign of a seriously degraded wall which may warrant investigation by other means TransPort PT878 User s Manual 251 Appendix D Ultrasonic Thickness Gauge Theory of Operation D 1 2 Calibration The accuracy of measurements are only as good as the accuracy and care with which the gauge has been calibrated It is essential that the thickness gauge be calibrated as shown on page 162 whenever the transducer is changed or you have a reason to doubt the accuracy of the readings Periodic checks with samples of known thicknesses are recommended to verify that the gauge is operating properly D
58. your transmitter as shown in Table 9 below Table 9 Cable Connections from GE Cable to Customer Supplied Transmitter Pin Number Wire Color GE Cable GE Cable Description 16 V unpowered transmitters only Supply Temperature Return Temperature Ground for both supply and return Once you complete making the above connection plug the LEMO connector into the I O connector as shown in Figure 156 above You have completed RTD installation TransPort PT878 User s Manual 247 Appendix C Temperature Transmitter Installation no content intended for this page proceed to next page 248 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Appendix D Ultrasonic Thickness Gauge Theory of Operation Appendix D Ultrasonic Thickness Gauge Theory of Operation All ultrasonic thickness gauging involves timing the round trip of a sound pulse in a test material Because solid metal has an acoustic impedance that differs from that of gasses liquids or corrosion products such as scale or rust the sound pulse will reflect from the far surface of the remaining metal The test instrument is programmed with the velocity of sound in the test material and computes the wall thickness from the simple formula Distance Velocity x Time Single element transducers use one element as both transmitter and receiver Dual element transducers incorporate separate transmitting and receiving elements These elements
59. 0 No Errors Figure 59 Site Menu e To specify the number of parameters displayed go to page 98 e To customize or clear softkeys FKeys go to page 99 TransPort PT878 User s Manual 97 Chapter 5 Displaying and Configuring Data 5 5 1 Specifying the Number of Displayed Parameters As mentioned earlier the PT878 can display one to four different measurement parameters simultaneously However sometimes you might wish to display only one or two parameters To change the number of open display windows from within the Site Menu shown in Figure 59 on page 97 use the V Jor A arrow keys to move to the desired number of views 1 View 2 Views etc Press ENTER The screen displays the designated number of windows For example Figure 60 below shows the screen displayed in Figure 56 on page 92 reconfigured for a single view ABC SIT 2000 11 30 09 53 AM Velocity ft s me Hes NS 12 2 Att 10 Seconds EO No Errors Figure 60 Display Screen Configured for Single View Note The PT878 opens display windows clockwise from the upper left that is if you press 1 View the parameter displayed in the upper left window appears If you press 2 Views the parameters shown in the two top windows appear The view for 3 Views adds the window in the lower left and that for 4 Views adds the window in the lower right 98 TransPort PT878 User s Manual Chapter 5 Displaying a
60. 0 11 30 09 53 AM Velocity ft s Signal dB Measurements Delia T ns Volume I s 0 10 EO No Errors Error Messages System Tray Function Keys Figure 8 PT878 Screen in Operate Mode The top line of the screen is the status bar which normally displays the time and date However when you press MENU the menu key the Menu Bar replaces the status line 18 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 4 1 Screen cont The middle of the screen shown in Figure 8 on page 18 is the work area which displays the measured parameters numeric measurements and both bar and line graphs When you enter a selection on the Menu Bar discussed in Chapter 3 Programming Site Data this area displays menu prompts A line at the bottom of the area also displays error code messages which are described in more detail in Chapter 9 Diagnostics and Troubleshooting The system tray displays icons that indicate meter operations not otherwise shown Table 3 below lists the icons and their meanings Table 3 Icons in the System Tray Function Meaning Alert Indicates the meter encountered an error in operation Log Indicates a log is pending no marks or running marks Heating Indicates heating or cooling energy cooling mode Stopwatch Calibration Gate Operation Watch is stopped when the gate is closed or runs when it is open Snapshot Indicates t
61. 09 26 17 10 26 GLOBAL MET 1500 01 09 25 18 12 10 Figure 108 Printout of a Typical Drive Report TransPort PT878 User s Manual 161 Chapter 8 Servicing the PT878 8 3 Setting up the Thickness Gauge For greatest accuracy in flow applications the PT878 can measure pipe wall thickness using an optional thickness gauge transducer instead of relying on the nominal pipe wall thickness In Thickness Gauge mode the PT878 does not measure flow but it can determine the thickness of most standard metal and plastic pipe materials over a range from 0 05 to 3 in 1 3 to 76 2 mm The PT878 offers two basic thickness gauge functions using the gauge to measure thickness after entering the pipe material and calibrating the gauge For the highest possible accuracy you can also calibrate the velocity of the pipe material Using the thickness gauge involves three steps 1 Enter the material and soundspeed refer to Figure 109 on page 163 2 Measure the pipe wall thickness in the Display window on page 165 3 Ifthe measurement seems unreasonable examine the acoustic signal to diagnose the problem in the Graph window on page 166 Calibrating the thickness gauge involves up to two additional steps 4 Calibrate the thickness gauge itself in the Zero window on page 168 5 Calibrate the velocity of the pipe material in the Velocity window on page 171 if possible and if the pipe material is not the material en
62. 46 Rename Site Window Use the four arrow keys to scroll to the desired letter or number and press ENTER Repeat this procedure until you have created the desired site name Press F1 Delete to remove any unwanted letters or numbers When you have finished e Press F2 Cancel to erase the entry or e Press F3 OK to confirm the entry PT878 remains in Site Manager with the site listed under the new name TransPort PT878 User s Manual 79 Chapter 4 Creating and Managing Sites 4 1 7 Deleting a Site To delete a site in the Site Manager first be sure you have highlighted that site in the left window of the Site Manager Then press MENU to open the File Menu scroll to the Delete option and press ENTER The screen appears similar to Figure 47 below Site Manager Delete Confirmation Delete The Site A SIT Are You Sure Figure 47 Delete Confirmation Window e Press F2 No to cancel the deletion and return to the Site Manager or e Press F3 Yes to delete the site The Site Manager appears with the highlighted site now deleted 80 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 8 Creating a Site Message The Site Message option allows you to add an explanatory message with up to 30 characters or spaces for any given site To create a site message 1 Press MENU to enter the File Menu Then press the gt arrow key once
63. 47 on page 231 of Appendix A Menu Maps Energy Options Energy Option Custom Cp Energy Disabled 0 Enabled System 0 Heating O Cooling Flow Measurement at e Supply Ss Return Calculation Method co Standard e Custom Cp Cancel Figure 21 Energy Option Window 1 The first prompt asks 1f you want to disable or enable the Energy Option a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Note Jf you select Disabled you cannot select any other prompt in this window 42 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 7 Entering the Energy Option Parameters cont 2 The next prompt asks if you are using a heating or cooling system a Use the lt d and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection The program now asks if you are measuring flow at the point of supply or return a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection The final prompt asks if you wish to use the standard or Custom Cp method for energy calculations If you choose Custom Cp you must enter tables for fluid enthalpy and density in the Custom Cp tab see page 46 a Use the lt d and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Pressing the A key
64. 6402 bytes Q LOG 91136 bytes free Figure 65 File Manager Menu To transfer refresh or delete a file first be sure the file is highlighted in the window on the left Then press MENU to open the File Menu and scroll to the appropriate option as shown in Figure 65 above Press ENTER The PT878 then performs the desired action with the file TransPort PT878 User s Manual 103 Chapter 5 Displaying and Configuring Data 5 6 1 Transferring a File to a PC To upload a log meter bitmap or site file to a PC 1 2 Sy EL 104 Connect the PT878 USB port to any USB port on the PC page 9 Start HyperTerminal and set up the communication link to match the PT878 Com port settings From the PT878 select Site Site Manager and then select the file you want to transfer to the PC Select the Transfer Receive File option Select the location of the file and the XModem receiving protocol Click the Receive option and enter the Filename From PT878 Site Manager select the Site Transfer option This will allow the PT878 to send the site file to a PC using the secure XModem protocol File transfer is complete when the XModem Receive dialog box closes TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 6 2 Transferring a File from a PC to the PT878 Once you have stored site or meter files to a PC you can then transfer them back to the PT878 over the USB interface The PT878 only accepts fi
65. 7 8 Cancel Figure 83 Communications Window 2 The first prompt asks for the node identification number which can be any number from 1 to 240 Do NOT change the node ID unless instructed by GE a Press ENTER to open the text box b Use the numeric keys to enter the node ID c Press ENTER to confirm the entry 3 The next prompt confirms the USB communications interface 124 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 9 Changing Communications Settings cont 4 The program now asks for the baud rate The default rate is 9600 bps a Press ENTER to open the drop down menu b Use the W or A arrow keys to scroll to the desired rate from 300 to 115 2K bps c Press ENTER to confirm the entry The next prompt asks for the parity from five options None Mark Space Even or Odd The default parity is None a Press ENTER to open the drop down menu b Use the V or A arrow keys to scroll to the desired parity c Press ENTER to confirm the entry The next prompt asks you to select either one or two stop bits The default number is one Use the 4 and P keys to scroll to the desired number and press ENTER The final prompt asks you to select either seven or eight data bits The default number is 8 Use the lt d and P keys to scroll to the desired number and press ENTER To confirm the entries and return to Operate Mode press F3 OK
66. 78 User s Manual 23 Chapter 3 Programming Site Data 3 2 Entering Transducer Parameters cont Note The choices made early in the Transducer and Pipe options determine the prompts available later If the PT878 does not scroll to a particular parameter it is not necessary for that transducer or pipe type For example the Lining window is not available if you select a wetted transducer 2 The next prompt asks you to enter the transducer number printed on the transducer itself or to specify that you are using a special application transducer a c From the Type prompt press the V key to reach the Transducer prompt and press ENTER A drop down list of transducer numbers opens as in Figure 11 on page 25 The list varies depending on whether you have selected wetted or clamp on in the previous prompt See Table 4 on page 25 Press the V or A keys to scroll to the appropriate number or scroll to Special for a special application transducer To speed scrolling you can press the P key to scroll down by a page or the d key to scroll up by a page Press ENTER to confirm your selection The program now varies depending on whether you have selected standard or special transducers 24 If you have selected a standard wetted or clamp on transducer the PT878 comes programmed with the needed parameters Proceed to Confirming Entries on page 30 However if you have selected a special applica
67. 878 User s Manual Chapter 9 Diagnostics and Troubleshooting 9 4 1 Wetted Transducer Problems cont 4 PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface or striking them against another object Usually the connector on the transducer is the part that is damaged as it is the most fragile Minor damage may be repaired by carefully bending the connector back into shape If the connector cannot be repaired replace the transducers Note that transducers must be replaced in pairs Before replacement make sure that the transducer number in the programmed parameters is the one engraved on the new transducers see Chapter 3 Programming Site Data 9 4 2 Clamp on Transducer Problems 1 POOR COUPLING TO PIPE Clamp on transducers must be in intimate contact with the pipe The pipe wall must be smooth and generally free of paint The couplant material must fill voids between the transducer and the pipe and must be firmly coupled or bonded to both the pipe and the transducer The pipe and transducer must be clean and dry for permanent couplant such as grease or epoxy to adhere properly Enough pressure must be applied to the transducer by its clamp to hold it firmly against the pipe 2 MISALIGNMENT The transducer transmits relatively narrow beams of ultrasound and therefore transducer alignment is critical to assure that the beam can travel from one transducer to the other without undue attenuat
68. E Electrical Connections assig si pit RR amp AE des 6 264 TransPort PT878 User s Manual Electronics DeSCrpUlON stas tt He Ce een ee Ae SPAR ER A toe a eee 3 Error Messages arai Le aha et eae dita e 202 Specifications coi act ted tne Seda edd ba eee beets eg 214 Theory of Operation cpu os eke ee tek web Saad eS 4 Energy Option Entering InpUtS mudo Ghigo be ceeds olde sn sale hack oe a Se 44 46 47 48 Entering Parameters 0 cece cee eee eee nee 42 English Units 2 0 fe aa a n esas ad AAA Te el 113 BINT KRCY sie ore ne A interne mated acters o cht ds 20 Environmental Compliance 00 00 eee cee eens v Error Limits Option renani anna lett it ee gel pedis A Nan ia 187 Error Messages verse otis gis e ea 202 BA Saa 12 Errors AMIA a e ali 183 259 EXTT Koi ii A AA ALA did 20 F Factory Defaults Option 0 0 00 eee eee ee 199 Feature Keys evenoe duian ga Micah we eee at oo A ae Mee a 20 File Manager Sort Menu 1 ea a cece eee 108 Menu in Log Manager 0 00 eee eee 134 Transferring from PO is corr a gus dee dee gee la 105 Transferring to PC isc o Se Ss Se ee ree Sa eS 104 EloWeell wi ti ot AAA 2 Fluid OPM as te ta 37 Problems Flowcell oooooooooooroororooooroooo o 206 Speeds EMO cid de A A A A 37 Types Entering anidar dai A a 37 Fofmat Opio respon e 90 Forward Total Resetting 0 0 0 eee ee eee 126 French Language Display 0 0 0 2 0 cece cette
69. Entering Inputs in the Energy Option 00 eee eee 44 3 7 2 Entering Custom Cp Data in the Energy Option 46 3 8 Entering Analog Inputs 0 c cece cece nce nent een enn ees 50 3 8 1 Entering General Purpose Analog Inputs 0 00 0 eae 50 3 8 2 Entering Analog Inputs in the Energy Opti0N 52 3 9 Entering the Analog Output retti ii ia 54 3 10Entering the Digt OPET aeeai tate catia eat asl em else wae 57 3 11 Entering User FUNCtIONS annee cen tet ene eens 61 3 11 1 Entering Correction Factors 00 c cence tenn eee 65 3 11 2 Entering Reynolds Correction 00 0 cece cece cece nnn eas 65 3 11 3 Entering a Calibration Factor espren isoen iana cece ccna 67 viii TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 41 The Site Manges stort rides 72 TT Creating a New SitOx8 peu kareena these stents detal op cand leer aber 74 4 12 Opening an Existing Site 2 0 0 ec eee ees 76 ALS SAVING iS ah etl vente dete 77 4 1 4 Saving a Site with a Different Name 0 6 cece eee 78 ALS SREPESHING CSIC ic ia 79 4156 RENAMINOO SM eres alas a nal eas dhs eed as 79 A DEN oa ile alada 80 4 18 Creating a Site Message 2 0 ccc cence eens 81 4 19 Transfer Files Between the PT878 and a PC 2 02 05 83 ALTO isting Files D NOME yera a rd ed heres 86 4 1 11 Listing Files in Chronological Order 0 0 c cece cec
70. GE Measurement amp Control Flow TransPort PT878 Portable Liquid Flowmeter User s Manual gt g 910 219 G imagination at work February 2015 GE Measurement amp Control TransPort PT878 Portable Liquid Flowmeter User s Manual 910 219G February 2015 www ge mcs comM 2015 General Electric Company All rights reserved Technical content subject to change without notice no content intended for this page proceed to next page TransPort Model PT878 Portable Liquid Flowmeter User s Manual Information Paragraphs Note These paragraphs provide additional information about the topic which is helpful but is not essential to proper completion of the task Important These paragraphs provide emphasis to instructions that are essential to proper setup of the equipment Failure to follow these instructions carefully may cause unreliable performance WARNING Indicates a potentially hazardous situation which can result in serious personal injury or death if it is not avoided CAUTION Indicates a potentially hazardous situation which can result in minor or moderate injury to personnel or damage to the equipment if it is not avoided gt gt Safety Issues WARNING Itis the responsibility of the user to make sure A all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation TransPort PT878 User s Ma
71. KIIGNt TIMO iia ts 121 6 8 Changing the Display Langudge 0 c cece cence eee ees 122 6 9 Changing Communications Settings 0 0 0 cece eee eee ees 123 6 10Resetting Forward and Reverse Totals 00 cece ence nee ees 126 611 Setting Up User Tables oa aan besa iy ans 127 6 12Taking a Bitmap Capture of a Current Screen 2 cece cece eee 130 TransPort PT878 User s Manual Chapter 7 Logging Data 7 1 Enteting the Logging Menu neinna t 132 Liz ThE LOG MANGO Cl swise sasha aras 133 RS Te File Met O nets etna ghee ai vate dive oea es 134 7 3 1 Setting up A NEW LOG mati ccc nnn NEEN 135 7 3 2 Copying Cloning a Selected Log 00 0 cece eens 140 733 RENAMING A LOG erriei n alas clas aareek eg Tone rau en 141 HSA Deleting a Llodra atados 141 TaS Deleting Al LOGS iaa 142 7 3 6 Refreshing the Log Manager Screen 0 cece eee eee 142 Tat Transterring aLog tog PE rancia woh ha bia eee ee aad 143 TE TR MENU rere erar keh Aa cers 146 74 1 Stoppirig Pausing a Log roeie cantas cree niece dain 147 EAA RESTO CLOG ar che ha wares alent Slate laren eo 147 74S ENGIN G C OG Scrip aint a O 147 LAL lt StOPPING AlLOGS ic ate hie a va ee ee eS 148 LES REStarinG All LOGS 2 sony awh O EE 148 FAG ENGInG All LOGS oia ds id 148 AN SILOS iS 0ce sie tee Gis ate Blase bel eng diene abe clad wal gees eediedt aes 148 Zo WE VIEWIMONU ence cenit ice A eon 149 75 1 Displaying Log Detil
72. Operation D 1 Factors Affecting Performance and ACCUraCy 6 c cece eee eee 250 D 1 1 Transducer Positioning Alignment 0 0 00 cece ee eee 251 PA 2 4 ites sate Pe cient Ras Ghee et eae 252 D L37 Taper or ECCEMUIGILY vio reta as ues Taher Gene ais 252 D 1 4 Acoustic Properties of the MateriQl o oo ooooooooo o 252 Appendix E Material Safety Data Sheet for Couplant E Product Identification rene cc teak gent is 253 E2 Hazardous IDEN Sc ir a its 253 E3 Physical Data nominal tooo is da iaa 254 kA Freand Explosion Hazard DOLO sui tiara iaa 254 ES RECGUIVIDY DATA me e e A A AA 254 E 6 Health Hazard and First Aid Data 0 0 ccc cee cence ee 255 E 7 Storage and Handling Information 00 0 c cece cece eee eee 255 E 8 COntrol MedSUIES cri ccardiuias cageeaberwhacnnae Garay Ia ie eres 256 Appendix F Glossary xiv TransPort PT878 User s Manual Chapter 1 Features and Capabilities Chapter 1 Features and Capabilities The TransPort Model PT878 is a transit time flowmeter which combines all the features of a full size flowmeter with the advantages of a portable instrument This section describes the TransPort features and general system and explains the theory of operation 1 1 Overview The PT878 measures the flow rate of acoustically conductive single phase fluids This includes most clean liquids sewage some slurries some oil water mixtures and liquids with a small perce
73. PT878 User s Manual ZOLO CULOPE 2650 heat el Seg a dea el act aia de O 182 TransPort PT878 User s Manual 273 274 TransPort PT878 User s Manual Warranty Each instrument manufactured by GE Sensing is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing determines that the equipment was defective the warranty period is one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE Sensing determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Sensing the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties or merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade TransPort PT878 User s Manual 275 Return Policy If a GE Sensing instrument malfunctions within the warranty period the following procedure must be complete
74. Parameters Displayed Sucen a i a ra eee E S A E A 98 Path for Clamp 00 35 224 40 2330 id Gee CA AA A 40 for Wetted Transducers 0 0 0 0 e p iae a E eee eens 41 Length Entering nc aeai Da R ENAR E E 41 Path Opty tis c aia sacar vt a sae bo hose lr hones 39 PO File Transfer eranda tdi ea Nea AN ae Steals bites ls 105 Peak Detecta 184 Pipe Diameter Entering nimodo ene is A a Ro 33 Lining Entering esop ds at At ds 35 Matera A AA A Aces ia iaa 31 Option Menu Map poes epirot a cee cee teens 222 A A 207 Power Connections se one tr ee bee EA Eta Bank Mayne wns 7 Powering OMV Oia bi Sl Sa ie Ae 15 Problems IOW COM ti A cae a Sona O 206 Flid ii obey Ge eyes Gund Ne Sa A ee E 206 O ished oh eS ie elias ya hte a ss 207 Transducers 6 i Acces eee e Ree ini Bb Andante eek wade ri 208 Program Menus acid dd OE Toe ake 21 Ment Maparen Ret puntata eee li bee eee 222 268 TransPort PT878 User s Manual PT878 Peaturess ti ncsd A teeta ae loas 1 Keypad c bs 240 tthe Rat lee e Deh AN da 20 Powering On Off 0 5 5 5 e 5 bares o deb edn era 15 Serec Mesa pi Ben fe A eee Er CARA ae 18 Software Updating ce A ele Siddha bis bende 200 Publication Date o e a A Aas Sages 1 Pulse Totallz viii asi izo 58 R RECEIVE A A AA AA 3 Refreshing Sites sc ta shes Sees o Se ewes a leds 79 Reports Option i005 sites A tr di a A 161 Reports Printing comia ii ie e ica 161 R turn Pole Y ii A tek ke te ake nes E 276 Reverse Total R
75. T878 Keypad TransPort PT878 User s Manual 21 Chapter 2 Initial Setup 2 5 Obtaining On Line Help The PT878 offers context sensitive on line help screens that describe various features You can access on line help at any time by pressing the key The screen appears similar to Figure 10 below Table of Contents Use the arrows and the enter key to select from the links below Press F2 to return to the TOC Site Menu Program Menu Meter Menu Log Menu Service Menu Miscellaneous About Figure 10 Main Help Menu Use the three function keys and the A and V arrow keys to navigate to the desired menu and press ENTER Repeat this procedure to access the desired topic within the menu When you have finished using the Help menu e Press F1 Back to move back one level e Press F2 TOC to return to the Table of Contents e Press F3 Close to return to the previous screen 22 TransPort PT878 User s Manual Chapter 3 Programming Site Data Chapter 3 Programming Site Data On the PT878 a Program Menu part of the Main Menu enables you to enter information that is specific to each site e Transducer types and paths e Pipe materials and linings e Fluid types e Heating or cooling energy flow rate e Analog input and output parameters e Digital output parameters e User functions e Correction factors For immediate operation the PT878 requires only transducer pipe and fluid data However
76. T878 User s Manual Chapter 2 Initial Setup USB Drivers cont The USB driver setup is now complete Note The USB driver should recognize the flowmeter each time the PT878 is reconnected to the PC but the COM port number may change depending on the PC configuration USE Serial Port COM3 Properties General Pet Settrizs Diver Ostals Bts per second 38400 Data bts 8 Party None Soo bes 1 Bow contro None Advanced Figure 4 USB Serial Port Properties TransPort PT878 User s Manual 11 Chapter 2 Initial Setup 2 2 Caring for the PT878 Batteries The PT878 comes with self contained built in rechargeable batteries to support portable operation For optimum performance these batteries require a minimum of maintenance CAUTION Use only GE approved batteries and desktop A chargers These chargers are designed to maximize battery life Using other batteries or chargers voids the warranty and may cause damage Important For CE compliance the PT878 is classified as a battery powered device not to be used with the AC adaptor 2 2 1 Charging and Storing the Batteries When you receive the PT878 you will need to initially charge the batteries Also the battery may need recharging if it has not been used for a long period of time The batteries must be charged up to 8 hours to receive the maximum charge When fully charged the batteries provide 8 to 10 hours of continuous operation An interna
77. T878 to send the log file to the PC using the secure XModem protocol File transfer is complete when the XModem Receive dialog box closes Note The file is transferred in GE Panametrics format and it must be opened using the GE Panalog Viewer software Figure 98 COM Properties TransPort PT878 User s Manual 145 Chapter 7 Logging Data 7 4 The Log Menu The Log Menu allows you to pause restart or end any or all logs that are currently pending or running However you cannot restart any finished logs even if they were finished before the programmed end time To open the Log Menu in the Log Manager press MENU Scroll to the Log option and press ENTER The window appears similar to Figure 99 below Log Manager Kpg View Sort Pause All Logs Start All Logs End All Logs View All Sites IG Info AAA LOG State Finished S 03 01 01 13 13 41 E 03 01 01 13 23 41 Interval 10 Seconds Records 51 03 01 01 13 23 21 1216 bytes 109568 bytes free Figure 99 Log Menu in the Log Manager 146 TransPort PT878 User s Manual Chapter 7 Logging Data 7 4 1 Stopping Pausing a Log To stop a log that is currently pending or running 1 First select the log you wish to pause in the Log Manager shown in Figure 89 on page 133 2 Then open the Log Menu scroll to the Pause option and press ENTER The PT878 returns to the Log Manager which displays the highlighted log with Pau
78. To confirm the entries and return to Operate mode press F3 OK e To leave the window without confirming the entries press F2 Cancel or the ESC key TransPort PT878 User s Manual 91 Chapter 5 Displaying and Configuring Data 5 2 The View Option The second option View allows you to select the presentation of a parameter in one of three formats numeric line graph or bar graph 1 From the Display Menu press the P key once to reach the View option and then press ENTER 2 A drop down menu shows the three formats Scroll to the appropriate selection 3 Press ENTER to confirm your selection The screen immediately displays any changes For example if you have changed the first parameter to a line graph the screen appears similar to Figure 56 below ABC SIT 2000 11 30 09 53 AM F Velocity ft s Signal dB 12 2 N M 0 6014 32 DE 10 Seconds Delta T ns Volume l s 0 10 0 0 E0 No Errors 92 Figure 56 Screen After Format Change TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 3 The Limits Option Once you have configured a parameter as a line or bar graph you might need to change its presentation or values The Limits option replacing the Format option for line and bar graphs enables you to program the minimum or maximum values displayed the time interval and the display of the average value To enter the Lim
79. To determine P you need the following e the pipe inside diameter ID e the wall thickness WT e the installed pipe coupling length CL e the transducers face depth FD e the mounting angle MA Use Figure 155 below to properly measure the coupling length Typically the transducer face is positioned just outside the inside diameter ID of the pipe or slightly retracted inside the coupling Figure 155 Determining the Pipe Coupling Length 240 TransPort PT878 User s Manual Appendix B Measuring P and L Dimensions Use the following formula to determine the P dimension ID 2 WT cos MA 2 CL FD P dimension For example given the following inside diameter ID 48 wall thickness WT 3 8 installed coupling length CL 2 0 a transducer face depth FD 1 75 mounting angle MA 45 The P dimension would be 48 2 3 8 1 0 7071 2 2 0 1 75 69 4 TransPort PT878 User s Manual 241 Appendix B Measuring P and L Dimensions no content intended for this page proceed to next page 242 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Appendix C Temperature Transmitter Installation Appendix C Temperature Transmitter Installation The PT878 requires a supply and return temperature input to measure energy rate and consumption You must connect the temperature sensors to a 4 to 20 mA transmitter powered by the PT878 or externall
80. TransPort PT878 User s Manual Chapter 8 Servicing the PT878 Dual Point Calibration cont 1 2 Press the V arrow key to enter the window The first prompt asks you to choose between single and dual point calibration Use the lt d and P arrow keys to move to the Dual radio button and press ENTER The next prompt asks you to enter the length of Block 1 If you are using a GE supplied test block the length is printed on the block a Press ENTER to open the text box b Use the numeric keys to enter the length c Press ENTER to confirm the entry Press P to move to the Calibrate button and press ENTER to prepare for calibration Then apply couplant B to the Block 1 surface and hold the transducer against the block When you have the transducer firmly pressed against the block and the Ready button appears press ENTER again to perform the calibration Note For single point calibration skip to step 9 6 The next prompt asks you to enter the length of Block 2 a Use the arrow keys to move to the Block 2 text box b Press ENTER to open the text box c Use the numeric keys to enter the length d Press ENTER to confirm the entry Press P to move to the Calibrate button and press ENTER to prepare for calibration Then apply couplant B to the block surface and hold the transducer against the block When you have the transducer firmly pressed against the block press ENTER Read
81. Up to 75 mm 3 in TransPort PT878 User s Manual 217 Chapter 10 Specifications 10 6 Available Options Thickness Measuring Mode Standard GE Measurement amp Control Transducer dual element transducer Pipe Thickness Range 1 3 to 76 2 mm 0 05 to 3 0 in Pipe Materials Most standard metal and plastic pipe materials Accuracy 1 typical or 0 05 mm 0 002 in Display Resolution 0 01 mm 0 001 in Thermal Continuous operation to 37 C 100 F Exposure Intermittent operation to 260 C 500 F for 10 seconds followed by air cooling for 2 minutes Energy Equipment Dual RTD transmitter two 4 to 20 mA transmitters with input for 3 wire RTD 100 Pt and terminals for 4 to 20 mA output and 6 ft cable PC Option USB Port enables connection to desktop or laptop PCs PC Interface Software PanaView Instrument Interface Software 218 TransPort PT878 User s Manual Appendix A Menu Maps Appendix A Menu Maps Program Logging Service Figure 137 Main Menu e Site Menu Figure 138 on page 221 e Program Menu e Pipe Option Figure 139 on page 222 e Transducer Option Figure 143 on page 227 e Lining Option Figure 144 on page 228 e Fluid Option Figure 145 on page 229 e Path Option Figure 146 on page 230 e Energy Option Figure 147 on page 231 e Analog Input Option Figure 148 on page 232 e Analog Output Option Figur
82. a no content intended for this page proceed to next page 110 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Chapter 6 Programming Meter Settings Chapter 6 Programming Meter Settings Along with display formats and site data PT878 users can program global settings for the meter that suit their individual preferences The global settings include English or Metric measurement units e Battery power e Date and time parameters and appearance locale e Screen contrast Backlight timeout e Language settings e USB communications settings Resetting forward and reverse totals e User tables e Taking a bitmap capture of a screen TransPort PT878 User s Manual 111 Chapter 6 Programming Meter Settings 6 1 Entering the Meter Menu To enter the Meter Menu press the MENU key at the lower right of the PT878 keypad The Main Menu replaces the Status Bar at the top of the screen Press the P gt arrow key twice to scroll from the Site Menu to the Meter Menu At the Meter Menu press ENTER The screen appears similar to Figure 76 below While programming refer to Figure 140 on page 223 of Appendix A Menu Maps Site Programa Logging Service Velocity Units Signal dB Battery Date Time Locale Contrast Backlight Language Communication MANIUEME Totals gt User Tables Snapshot Figure 76 Meter Menu To scroll to a particular option press the V
83. a E ees 181 8 8 1 Setting up Signal Parameters 6 ccc cece ees 182 8 8 2 Setting Up Peak Detection mm das tadas 184 8 8 3 SelectingitheTransmitiCOde mesias Dei alas yace endo 186 8 9 Setting Emo rL ii A E A aA 187 8 10 The Test Optio Mutiloa di iaa 190 8 10 1 Testing the Screen yin tb alt 191 8 10 2 Testing the Keys coir Seiya Guha bidet Ya ENE vara eietes 192 8 10 3 Testing the Watchdog Timer Circuit 00 0 c cece eee eee 193 8 10 4 Setting Impulse Response 2 cece ence ees 194 8 10 5 Taking Wave Samples for DIAGNOSIS 0 0 c cece eas 195 8 10 6 Transferring a Wave Snapshot 0 c cece eee ees 196 810 7 Testing the BONEN nacida E 198 8 11Resetting to Factory Default Parameters 000 c cece eee ees 199 8 12Updating PT878 Firmware enanas a EANA FTAA n nee ees 200 xii TransPort PT878 User s Manual Chapter 9 Diagnostics and Troubleshooting 9 1 Error Code Messages inicia A 202 9 2 Displaying Diagnostic Parameters 0 0 0 cece cece cece cence eee 204 9 3 Flowcell Problems 00 0 0 00 seen cen coro 206 9 34 RUI Problem Sree tc hee atin at Sal ete ete 206 gaz Fipe RIO DISS 3c Sexe tape nee ecient Meena ht aaa ian ca ane A 207 9 4 Transducer Problems 6 006 cece cece teen rr narrar 208 9 4 1 Wetted Transducer Problems 0 00 0 cece cece eee ee 208 9 4 2 Clamp on Transducer Problems 2 0 0 0 cece eee ees 209 94 3 Relocating Transduc
84. a system based on the temperature at a supply point the temperature at a return point and the flow of fluid through the system Errors Allowed Parameter that specifies the number of errors the meter can record before displaying an error message The number of errors is N out of 16 where N equals the number of errors allowed Flowcell The part of the flowmeter system consisting of the flowcell pipe and the transducers that uses ultrasonic pulses to interrogate the flow Flowcell Pipe A section of piping that acts as part of the flowcell it is either a section of existing piping with the transducers or inserted as a substitute pipe section spoolpiece Form Software window that opens when a user enters a given menu TransPort PT878 User s Manual 259 Appendix F Glossary Impulse Response Option in the Service Menu that enables you to force the meter to transmit in one direction only without changing the amplifier gain setting Locale Format for displaying the time and date Peak Detection A method for identifying the ultrasonic signature in the received signal In the Peak method the peak is identified by testing a derivative of the signal In the Threshold method the peak is identified as the point where the signal crosses a threshold that is a percentage of the maximum signal detected Receive Window A window of time during which the PT878 tries to detect the ultrasonic sig
85. ables such as physical misalignment and faulty coupling to the pipe on which they are mounted Because transducer problems are largely dependent on the type of transducer used wetted or clamp on the following list of potential problems is grouped according to transducer type Contact the factory if you cannot solve a transducer related problem 9 4 1 Wetted Transducer Problems 1 LEAKS Leaks may occur around the transducer and in the fittings of the flow cell Repair as you would any other leak Check the transducer and cables for damage if the leaking fluid is corrosive 2 CORROSION DAMAGE Wetted transducers may be damaged by corrosive fluids if the transducer material does not match the application Most often corrosion damage occurs at the electrical connector To check for damage remove the transducer from the flow cell If the wetted end of the transducer is rough and pitted the transducer may have to be replaced GE can supply suitable transducer materials for most fluids Contact the factory for information on special transducers 3 INTERNAL DAMAGE An ultrasonic transducer consists of a ceramic crystal bonded to the transducer case The bond between the crystal and the case may be damaged by extreme mechanical shock and by temperature extremes The crystal itself can also be damaged by the same conditions The internal wiring can be corroded or shorted if contaminants enter the transducer housing 208 TransPort PT
86. ails to operate contact the factory Amplitude Error Excessive particles or bubbles present in fluid A lot of second phase present See Flowcell Problems on page 206 Cycle skip Acceleration Poor flow conditions or bad transducer spacing Check transducer spacing as programmed and as set on pipe See Flowcell Problems on page 206 and Transducer Problems on page 208 Analog Out Error Under current output Check that output load is within specification lt 550 ohm Temperature Input Supply Supply temperature input out of range Check cable and transmitter Temperature Input Return Return temperature input out of range TransPort PT878 User s Manual Check cable and transmitter 203 Chapter 9 Diagnostics and Troubleshooting 9 2 Displaying Diagnostic Parameters As part of its measurement menu the PT878 offers a list of diagnostic parameters to aid in troubleshooting in the event of flowcell transducer or electrical problems You can select any diagnostic parameter for display as a measurement as discussed in Chapter 5 Displaying and Configuring Data on page 95 Table 8 below shows all the available diagnostic parameters and ranges Table 8 Diagnostic Parameters Diagnostic Parameter Displays Displays Delta T or the difference between Continuous the upstream and downstream transit large fluctu times ations of 1 ms or more Amplitude Displ
87. ain number of acoustic pulses and as a receiver for an identical number of pulses The flowmeter measures the time interval between transmission and reception of the ultrasonic signals in both directions When the liquid in the pipe is not flowing the transit time downstream equals the transit time upstream When the liquid is flowing the transit time downstream is less than the transit time upstream The difference between the downstream and upstream transit times is proportional to the velocity of the flowing liquid and its sign indicates the direction of flow 4 TransPort PT878 User s Manual Chapter 2 Initial Setup Chapter 2 Initial Setup Before making measurements you must prepare the PT878 for operation This includes the following procedures Making Electrical Connections Charging and or Replacing Batteries Powering On and Off Using the Screen and Keypad Obtaining On Line Help Figure 1 below shows the PT878 in its standard soft case a and in the optional solid case b In the solid case the interior is structured for optimal protection of the PT878 and its accessories Figure 1 The PT878 and Accessories TransPort PT878 User s Manual 5 Chapter 2 Initial Setup 2 1 Making Electrical Connections Before making measurements with the PT878 you must make all the necessary connections to the unit This section describes how to connect the following e Power e Transducers e Input Output e USB In
88. al MES Sound Speed 2000 m s Thickness 0 mm Cancel Figure 18 Pipe Lining Window TransPort PT878 User s Manual 35 Chapter 3 Programming Site Data 3 4 Entering Pipe Lining Parameters cont 1 The PT878 first prompts you to select the pipe lining material a Press ENTER to open the drop down list of lining materials b Scroll to the appropriate material If you do not see your lining material on the list select Other c Press ENTER to confirm your choice Note Jf your pipe lining is not on the drop down list consult the factory for further information 2 The menu now follows one of two paths e If you have selected a preprogrammed material the PT878 automatically supplies the correct soundspeed and you can proceed to step 3 e If you have selected Other the meter prompts you to enter the soundspeed Use the numeric keys to type the desired soundspeed in the text box and press ENTER to confirm the choice 3 The meter now asks for the lining thickness Use the numeric keys to enter the desired value in the text box and press ENTER to confirm your entry Pressing the W key returns the meter to the Lining tab e To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode To scroll to o
89. ar as an entry pressing ENTER and then F3 OK Note Since the customized softkeys are saved globally they will remain even if you change site files TransPort PT878 User s Manual 101 Chapter 5 Displaying and Configuring Data 5 6 Managing Files The Drive Manager On occasion you might want to review or transfer some or all of the files in the PT878 The Drive Manager allows you to view all the files stored in the meter While following the programming instructions refer to Figure 138 on page 221 of Appendix A Menu Maps To open the Drive Manager 1 Press MENU 2 From the Site Menu shown in Figure 59 on page 97 use the V or A arrow keys to move to the Drive Manager entry on the menu Press ENTER The screen now appears similar to Figure 64 below File Manager MIES Sort Info SYSLOG MET DEFAULT GLOBAL TABLE MET FUNCTIO AAA LOG BBB LOG 03 15 01 10 39 20 CCC LOG 6402 bytes Q LOG 91136 bytes free Figure 64 Drive Manager Window The window on the left lists all the meter site and log files in the PT878 while the window on the right displays information on the file highlighted in the left window 102 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 6 Managing Files The Drive Manager cont File Manager File Transfer 5 Info SYSLOG MET Refresh T Delete TABLE MET FUNCTIO AAA LOG BBB LOG 03 15 01 10 39 20 CCC LOG
90. arging battery Discharging battery Failure missing battery Notification to check battery form see page 114 2 2 2 Replacing the Batteries CAUTION Replace batteries only with the specified A rechargeoble batteries The battery charges when the unit is off Do not attempt to recharge non rechargeable batteries If you need to replace the rechargeable batteries use the recommended 3 0 Ahr NiMH batteries part number 200 081 While the batteries can be recharged up to 600 times it is best to replace them when they no longer provide acceptable performance To replace the batteries remove the rubber boot open the panel located on the back of the PT878 unit disconnect the batteries and replace with new ones see Figure 5 on page 14 TransPort PT878 User s Manual 13 Chapter 2 Initial Setup 2 2 2 Replacing the Batteries cont lan 4 Battery Location behind panel D Figure 5 Battery Location To further extend the battery power on the PT878 the GE Part 705 1283 option uses 6 AA alkaline batteries 2 2 3 Disposing of Batteries CAUTION Never dispose of the batteries by incineration A Do not attempt to disassemble or short circuit the batteries For safety do not handle a damaged or leaking battery Important Be sure to dispose of your battery properly In some areas battery disposal in business or household trash may be prohibited For safe disposal options contact your near
91. aterial is released or spilled Pick up excess for disposal Clean with water Waste disposal method Dispose of in accordance with federal state and local regulations TransPort PT878 User s Manual 255 Appendix E Material Safety Data Sheet for Couplant E 8 Control Measures Respiratory Protection not required Ventilation not required Protective Gloves on individuals demonstrating sensitivity to SOUNDSAFE Eye Protection as required by working conditions Other Protective Equipment not required 256 TransPort PT878 User s Manual Appendix F Glossary Appendix F Glossary AGC Automatic gain control which sets the receive amplifier based on measured signal strength This electronic circuit automatically adjusts the gain of the receive amplifier to maintain the correct receive signal amplitude Calibration Factor Correction factor used as a reference for the flowmeter electronics to ensure accurate readings and available either as a single number or as a table Delta T Offset A programmed value of which half is added to the upstream transit time and half is subtracted from the downstream transit time It can be used to offset the flow velocity reading and is normally set to zero Detection Threshold Percent of peak the PT878 thickness gauge uses to make measurements Energy Option Option that enables flow measurement in a heating or cooling system The option calculates the energy of
92. attery Life 9 11 hours of continuous operation is typical Battery Charger Input 100 250 VAC 50 60 Hz 0 38 A Memory 1 MB datalog site battery backed RAM 1 MB program FLASH memory 214 TransPort PT878 User s Manual Chapter 10 Specifications Environmental Operating Temperature 20 to 55 C 4 to 131 F Storage Temperature 40 to 70 C 40 to 158 E Note To ensure maximum battery life storage do not exceed 35 C 95 F for long periods Operating Modes Flow Measurement Transit Time mode with clamp on or wetted transducers Energy To calculate energy flow rate use the external loop powered RTD transmitter Part 2CHRT Input Output Keypad 25 key rubberized tactile membrane keypad Display 240 x 200 pixel LCD graphic display with EL backlight Communications USB port Analog Output One 4 20 mA or 0 20 mA current output Digital Output One user selectable pulse solid state 5 V max or frequency 5 V square wave 100 to 10 000 Hz Analog Input Two 4 20 mA analog inputs with switchable 16 V supply for loop powered temperature transmitters Acoustic One pair of LEMO coaxial transducer connectors Cable and length Cable length 8 m 25 ft standard Up to 305 m 1000 ft optional with extension cables TransPort PT878 User s Manual 215 Chapter 10 Specifications 10 3 Operational Specifications Site Parameter Menu driven operator interface using a keypad and Programming
93. ays the value for the amplitude dis 20 28 lt 20 or gt 28 Up criminator of the upstream transducer Amplitude Displays the value for the amplitude dis 20 28 lt 20 or gt 28 Down criminator of the downstream transducer fluctuations fluctuations T Up isplays the upstream transit time of the N A N A trasonic signal in micro seconds T Down isplays the downstream transit time of N A N A he ultrasonic signal in micro seconds Gain Up isplays upstream gain in dB N A N A Gain Dn isplays downstream gain in dB N A N A Soundspeed Displays the measured soundspeed of the Check the soundspeed of m s or f s fluid fluid in Soundspeeds and Pipe Size Data P up isplays signal peaks for the upstream 100 900 lt 100 gt 900 ansducer P dn isplays signal peaks for the downstream 100 900 lt 100 gt 900 transducer Reynolds Displays the Reynolds Number N A N A K RE isplays the K Factor based on the N A N A eynolds Number Raw Up isplays raw upstream signal N A N A Raw Down isplays raw downstream signal N A N A 204 TransPort PT878 User s Manual Chapter 9 Diagnostics and Troubleshooting Table 8 Diagnostic Parameters cont Diagnostic Parameter Displays Xmit Corr Displays raw upstream signal correlated N A N A Up with transmit signal Xmit Corr Displays raw downstream signal correlated N A N A Dn with transmit signal Cross Corr
94. ce cnet nents 7 2 1 3 Input Output Connections 0060 c cece cece ete eee nee 7 PR TOUS BAP ORE ac ccksenat tie se hcwigiedwes ie EA 8 2 2 Caring for the PT878 Batteries 0 0 ccc nce 12 2 2 1 Charging and Storing the Batteries ooooooooomomo 12 22 2 Replacing the Batteries coa exch aA EASE EREEREER 13 2 2 3 Disposing of Batteries ouor da ANENE EE ts 14 23 Powering ON AN OFF ict stents ar Ea RE ah hea aed 15 2 4 Using the Screen and Keypad 0 cece cece eee eee e as 18 LU SCC Nn A aaa ee de as 18 NO ROY DO Oa wns E E niches thes E NEO 20 25 Obtdining On Line Help wiv coats eek oe a eae ee 22 TransPort PT878 User s Manual vil Chapter 3 Programming Site Data 3 1 Entering the Program Mesina Wand Ada 22 3 2 Entering Tra sd cer PGPGMeters muaa nia oar eens beds 23 3 2 1 Parameters for Special Transducers 0 cece cece eee 26 3 2 2 ConfirMing ENTES iia a oben ad aoe Ra 30 3 3 Entering Pipe Parameters 00 cece cen e tte n ene n es 30 3 4 Entering Pipe Lining Parameters 6 0 0 0 c eee e eee e eee eee 35 3 5 Entering Fluid Types and Speeds esa et ale al nd a at 37 3 6 Entering the Signal Path Parameters 0 0 c cece ccc e eens 39 3 6 1 Path Parameters for Clamp On Transducers 0 000 00 40 3 6 2 Path Parameters for Wetted Transducers 0 0 0005 41 3 7 Entering the Energy Option Parameters 00 ccc ccc e eee eee 42 3 7 1
95. cer cables connect to the PT878 with LEMO coaxial type connectors Each color coded cable should have a collar labeled UPSTREAM or DOWNSTREAM Make transducer cable connections to the top of the flowmeter as shown in Figure 2 on page 6 Because there are various types of transducers and installations transducer installation is discussed separately in the Liquid Transducer Installation Guide 916 055 2 1 3 Input Output Connections The PT878 provides one 0 4 20 mA current output and two 4 to 20 mA analog inputs with switchable 16 V supply for loop powered temperature transmitters It also supports digital frequency and totalizer outputs Connect the inputs outputs using a LEMO multi pin connector as in Figure 2 on page 6 The pin numbers for the connector and the color code for the standard input output cable are shown in Table 1 on page 8 TransPort PT878 User s Manual 7 Chapter 2 Initial Setup 2 1 3 Input Output Connections cont Table 1 Cable Assembly for Analog Inputs Outputs Pin Wire Number Color Description 1 Black Analog Out 1 Red 16 V switched White Supply or Return Temperature Input A Yellow Supply or Return Temperature Input B Green Analog Ground Orange Digital Output frequency output pulse totalizer diagnostic output or calibration gate Blue Digital Ground Violet Receive Monitor 2 1 4 The USB Port The TransPort M PT878 portable ultrasonic flowm
96. cing the PT878 8 12 Updating PT878 Firmware The PT878 firmware update process uses a terminal emulation program To update the PT878 firmware using its USB interface complete the following steps 1 Connect the PT878 to the PC page 9 2 Start HyperTerminal and set up the communication link to match the Com port and RS232 settings of the PT878 see Figure 132 below Figure 132 COM Properties 3 Power up the PT878 and press 0 Then press Yes to reload Flash 4 In HyperTerminal select the Transfer Send File option and select the XModem protocol Browse for the firmware file and select Send see Figure 133 below 5 After the firmware upload is complete the PT878 will automatically reboot and perform a CRC check Xmodem file send for pt878 Figure 133 PT878 XModem File Send 200 TransPort PT878 User s Manual Chapter 9 Diagnostics and Troubleshooting Chapter 9 Diagnostics and Troubleshooting The TransPort is a reliable instrument that is easy to maintain It will provide accurate flow measurement readings as long as it is operated as described in this manual If problems do arise with the electronics transducers or the flowcell the TransPort displays an error message specifying the possible problem The TransPort also has a set of diagnostic parameters to help you find and remedy the problem In general troubleshooting may be necessary if the TransPort displays an error message the flow r
97. ct date and time you can also change its presentation to suit local preferences You can select a time display of AM PM or 24 hour time To alter the time and date display 1 From the Meter menu scroll to the Locale entry and press ENTER The Display Options window opens on the Format tab as shown in Figure 79 below To step through each parameter press the V key Display Options Display Locale Separators Date Time Decimal Date Format MM DD YYYY Time Format 12 Hour Date Time Decimal Formats MM DD YYYY HH MM SS PM 123 45 Figure 79 Format Tab in the Display Options Window TransPort PT878 User s Manual 117 Chapter 6 Programming Meter Settings 6 5 Changing Date and Time Appearance cont 2 118 The first series of prompts asks you to select separator symbols for the date time and decimal You can choose from a dash comma and slash for the date from a period and colon for the time and from a period or comma for the decimal place For each symbol type a Press ENTER to open the drop down menu b Use the V or A arrow keys to scroll to the desired format c Press ENTER to confirm your entry The next prompt asks you to select the date format a Press ENTER to open the drop down menu Three options are available YY YY MMI DD year month day MM DD Y Y Y Y month day year DD MM
98. cutoff either positive or negative values to be reported as zero 262 TransPort PT878 User s Manual ADOUt OPHION cs ret Bans SRE 109 Acceleration Limit ost sk see aa ee a oe a ee Ae ARA 188 Amplitude Discriminator Limits 0 0 00 0 erreur ereere 188 Analog Inputs Calibration eiii aida eda i dates 177 Connections conidios die 7 Enter a A A a 50 in Energy Opuonies it da 52 53 Analog Outputs Calibracion A eee 177 CONNECHONS it os 7 ENO ina EAEE R EEEE EE NR EAS ODES ehhh nes 54 OPHION ica ada a 54 ANSI Schedule Applying 0 0 00 eee cence eee eee 34 ATIOW KEYS isis ERA RA ca 20 Axial Length Entering ui lada 41 B Backlight Option 2823233 Te a A ia a 121 Backlight Timeout forse pai es 121 Bar Graph Display sesiis ota A e RRR 92 Battery Charter A a A A 114 115 COM ii iii oa ttngegtiey bel 12 Disposin of and A A n 14 Op iii e Shy Sas Mie ate gia ai 114 Replacing xao see neh eR AEE SARE ER ota S 13 SINO A AA ee aint icy 12 TES Spee itor abril nas 198 C Calibration Anal s Input eri ERE EAE o R E AAA E ee ale ERE 177 Analog OUtpUt 22d a ed el pede Bets e 177 Calibration Factor Entering 0 0 0 eee eee eee 67 Caprio malita ds 195 Checks Power Up mis Ads LER Mee Ae as 15 Clamp On Transducers Path Parameters for 0 0 0 0 000 eee 40 Clearing Softkey rsrs ccc cis aed ceed dae eed ee eee ee ee eee O 101 TransPort PT878 User s Manual 263 Communications Option
99. d Notify GE Sensing giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE Sensing will issue a RETURN AUTHORIZATION NUMBER RAN and shipping instructions for the return of the instrument to a service center will be provided If GE Sensing instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions Upon receipt GE Sensing will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken 276 If the damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If GE Sensing determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned TransPort PT878 User s Manual GE S EC DECLARATION ensing OF CONFORMITY DOC 0011 Rev A We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the TransPort PT878 Portable Ultrasonic Flowmeter TransPort PT878GC Clamp On Portable Ultrasonic Flowmeter to which thi
100. d all currently pending or running logs open the Log Menu scroll to the End All Logs option and press ENTER The PT878 returns to the Log Manager which displays the running logs with a status of Finished 7 4 7 View All Sites To check on all logs open the Log Menu scroll to the View All Sites option and press ENTER Logs are associated with the site in use at the time the log is created Thus when another site is in use the PT878 automatically starts different logs By default the Log Manager only displays the logs created with the current site View All Sites allows the Manager to list logs for all sites 148 TransPort PT878 User s Manual Chapter 7 Logging Data 7 5 The View Menu Through the View menu you can view the data of individual logs in graphical or spreadsheet formats To open the View menu from the Log Manager press MENU Scroll to the View menu and press ENTER The screen appears similar to Figure 100 below Log Manager Details o AAA LOG ate Finished Spreadsheet t03 01 01 13 13 41 E 03 01 01 13 23 41 Interval 10 Seconds Records 51 03 01 01 13 23 21 1216 bytes 109568 bytes free Figure 100 View Menu TransPort PT878 User s Manual 149 Chapter 7 Logging Data 7 5 1 Displaying Log Details To view details of a given log be sure the log is highlighted in the left window of the Log Manager Then scroll to the View menu and press ENTER Scroll to the Detai
101. d from the transit time to determine how much time the signal spent in the fluid Tracking Windows A feature which allows the receive window to move automatically if the ultrasonic signal is lost The PT878 will set up the window in various positions based on a minimum and maximum soundspeed range In seek mode the meter will test every position until it detects a receive signal that passes the error tests The first window highest soundspeed setting that passes the tests is the detected window The meter will then track the receive signal Transducer Delay Time the ultrasonic signal takes to travel from the meter to the pipe material surface It is a similar measurement to Tw except that the delay is subtracted from the transit time to find out how much time is spent in the wall Transducers Devices that convert electrical energy into ultrasonic pulses when in a transmit cycle and convert the ultrasonic pulses back to electrical energy when in a receive cycle They can be fixed to the outside of the flowcell pipe clamp on or inserted into the pipe to directly measure the fluid wetted Transmitter Sample Size Number of pulses the transmitter emits in one direction upstream or downstream before transmitting in the other direction It is set to 8 by default TransPort PT878 User s Manual 261 Appendix F Glossary Transit Time Flow measurement technique based on the principle that when ultrasonic pulses are
102. d wall thickness Alternately one can file or grind the surface down to the base of the pits and measure normally As with any difficult application experimentation with actual product samples is the best way to determine the limits of a particular gauge transducer combination on a given surface 250 TransPort PT878 User s Manual Appendix D Ultrasonic Thickness Gauge Theory of Operation D 1 1 Transducer Positioning Alignment For proper sound coupling the transducer must be pressed firmly against the test surface On small diameter cylindrical surfaces such as pipes hold the transducer so that the sound barrier material visible on the probe face is aligned perpendicular to the center axis of the pipe See Figure 157 below TO Transducer Figure 157 Proper Alignment of Transducers for Cylindrical Surfaces While firm hand pressure on the transducer is necessary for good readings the probe should never be scraped along or twisted against a rough metal surface This will scratch the face of the transducer and eventually degrade performance The safest technique for moving a transducer along a rough surface is to pick it up not slide it and reposition it for each measurement Remember that an ultrasonic test measures thickness at only one point within the beam of the transducer In corrosion situations wall thicknesses often vary considerably Test procedures usually call for making a number of measurements
103. desired value c Press ENTER to confirm the entry You have completed entering parameters in the Analog Inputs option To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 53 Chapter 3 Programming Site Data 3 9 Entering the Analog Output The Analog Output option enables you to enter information to set up output parameters To enter the option scroll to the Analog Output entry on the Program Menu and press ENTER The screen appears similar to Figure 29 below To step through each parameter press the W key Refer to Figure 149 on page 233 of Appendix A Menu Maps Analog Output Function 10 20 mA Data Source Velocity Meters sec Zero 0 m s Span 25 5 m s On Error Hold Last Value Cancel Figure 29 Analog Output Window 1 The first prompt enables you to select a range to send a current signal to a recording device a Press ENTER to open the drop down menu b Scroll to the desired output from three choices Off 0 20 mA and 4 20 mA c Press ENTER to confirm your selection Note Ifyou select Off you will not be able to access any other parameters in this option 54 TransPort PT878 User s Manual Chapter 3 Programming S
104. dge soundspeed a From the Wedge Temp prompt press the V key to reach the Wedge SS prompt and press ENTER b Use the numeric keys to enter the factory supplied wedge soundspeed in ft sec or m sec and press ENTER Pressing the W key returns the meter to the Transducer tab at the top TransPort PT878 User s Manual 29 Chapter 3 Programming Site Data 3 2 2 Confirming Entries e To confirm the entries and return to Operate mode press F3 OK e To leave the window without confirming the entries press F2 Cancel or the ESC key In either case the PT878 returns to Operate Mode 3 3 Entering Pipe Parameters To enter the Pipe option scroll to the Pipe entry on the Program Menu and press ENTER From the Transducer window you can scroll back up to the Transducer tab and press the P gt arrow key to reach the Pipe window and press ENTER The screen appears similar to Figure 15 below To step through each parameter press the V key Refer to Figure 139 on page 222 of Appendix A Menu Maps Note Refer to the brochure Soundspeeds and Pipe Size Data 914 004 for additional information about pipe sizes and soundspeeds Transducer Pipe Transducer Pipe Lining if Fluid Path Material Sound Speed 600 3 m s Measure Wall with TGauge OD mm OD x Pl mm Wall mm 5 15 708 2 Nominal Schedule Jansi
105. e 149 on page 233 e Digital Output Option Figure 150 on page 234 e User Functions Option Figure 151 on page 235 e Correction Factors Option Figure 152 on page 236 e Meter Menu e Meter Menu Figure 140 on page 223 e Communications Option Figure 153 on page 237 e Logging Menu Figure 141 on page 224 e Service Menu Figure 142 on page 225 TransPort PT878 User s Manual 219 Appendix A Menu Maps no content intended for this page proceed to next page 220 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Appendix A Menu Maps Manager Fkeys Clear F1 Menu Item Message Transfer Note Press F2 Cancel to cancel the entries and return to Menu Press F3 OK to confirm the entries and return to Menu Figure 138 Site Menu Transport PT878 User s Manual 221 Appendix A Menu Maps Transducer Digital User Correction Output
106. e 87 Chapter 5 Displaying and Configuring Data shane FOFMABODUON ata an diate Hoan eater ier asian 90 52 The MieW OptlOn wes sets eds eee eed eas edie eds be ees 92 ga ThE LIMITS ODUON iria woah re beret d Rive BEALE eae hana eae 93 5 4 The Measurement Option Loros ur ira ATENE e eee een e es 95 5 5 Customizing the Display Screen 2 cece cece eee eens 97 5 5 1 Specifying the Number of Displayed Parameters 98 525 2 CUSTOMIZING SOTKCYS estore Et 99 5 6 Managing Files The Drive Manager 00 cece e eee 102 5 6 1 Transferring a Fileto g PO s pes ccc eee ences 104 5 6 2 Transferring a File from a PC to the PT878 oo o o oo 105 5 6 5 CREMESHING alertas sulting dais ea Saleen delat Eee 106 apean peeing aE oee e eet ee Rand nae Oe eee ty es 107 SGT Listing Files BY Nader ii ees 108 5 6 6 Listing Files in Chronological Order 00 0 c cece eee 108 5 7 Accessing Meter Data The About Option 2 0 0 renere 109 TransPort PT878 User s Manual ix Chapter 6 Programming Meter Settings 6 1 Entering the Meter Menu ana das ada dat 112 6 2 Selecting Measurement UNITS sss acces teta de tato e ae 113 6 3 The Battery Changer ii ete ae tie ae ee Reeth 114 64 Entering Date and TITE Aesi A naaa Eaa A ek ata that eae Ne 115 6 5 Changing Date and Time Appearance n n u ccc eee eee ees 117 6 6 Adjusting the Contrast 00 0 n nen eee ees 120 6 7 Seting BAC
107. e File Menu Then scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Log Manager screen refreshes with the sites listed in chrono logical order from the most recent to the earliest TransPort PT878 User s Manual 155 Chapter 7 Logging Data no content intended for this page proceed to next page 156 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Chapter 8 Servicing the PT878 Chapter 8 Servicing the PT878 For user convenience the PT878 offers a Service Menu This menu enables users to perform a variety of functions that they might occasionally require output reports set up and view the thickness gauge measurements calibrate the PT878 run diagnostics set up signal parameters and peak detection define error limits test the PT878 screen and keys diagnose setup problems with the impulse response check test points return to factory default parameters load updated versions of the meter program into the PT878 TransPort PT878 User s Manual 157 Chapter 8 Servicing the PT878 8 1 Entering the Service Menu To enter the Service Menu press the MENU key at the lower right of the PT878 keypad The Menu Bar replaces the Status Bar at the top of the screen Press the P arrow key four times to scroll from the Site Menu to the Service Menu At the Service Menu press ENTER The screen appears similar to Figure 105 below When programming refer to
108. e Service Reports option Then select the Report file you want to send to the PC and select Transfer TransPort PT878 User s Manual 159 Chapter 8 Servicing the PT878 8 2 Transferring Reports cont Reports Drive Contents Current Site Global Settings User Functions User Tables All User Settings Menu Commands All Reports Figure 106 Reports Window 4 To save the Report as text from HyperTerminal proceed as follows a Select the Transfer Capture Text option b Select the location and filename of the Report file Then click Start c Select Transfer Report from the PT878 and then select Transfer Capture Text End from HyperTerminal The Report transfer is now complete 160 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 2 Transferring Reports cont Bits per second Data bts Party Soo bas Blow cortral Restore Defauts poly Bytes Free 787698 filename Site Files DEFAULT SIT 01 09 17 18 19 03 MINILOOP SIT 7016 01 09 19 17 50 20 WETTED SIT 7003 01 09 25 14 02 19 STC_2MHZ SHT 6973 01 08 20 13 17 19 GINEX SIT 6372 01 08 20 16 11 08 GINST SIT 6369 01 08 20 16 12 01 2MH7WET SIT 6982 01 09 28 16 49 10 BOOKCWET SIT 6255 01 08 26 16 60 04 SVIEW SIT 6226 01 09 26 16 48 03 1MHZWET SIT 6181 01 09 26 16 48 18 AMHZCLMP SIT 6209 01 09 26 16 48 26 Log Files L0601 L06G 161792 01 09 26 19 12 19 Meter Configuration Files SYSLOG MET 5506 01
109. e calibration block It is possible only if you have a sample of pipe material with thickness known to a high level of precision To open the Velocity window press the 4 or gt arrow key until you reach the Velocity tab and press ENTER The screen appears similar to Figure 114 below Thickness Gauge Measure Display if Graph ELEM Zer0 Material Block Length O Determine the Sound Speed Calculated Current Cancel Figure 114 Soundspeed Window 1 Scroll to the Velocity tab as shown in Figure 114 above Press ENTER TransPort PT878 User s Manual 171 Chapter 8 Servicing the PT878 8 4 5 Calculating Velocity Pipe Material Soundspeed cont 2 To enter the block length here the thickness of the sample as measured with a caliper or calibrated sample press the V arrow key and then press ENTER to open the Block Length text box Use the numeric keys to enter the desired block length Press ENTER to confirm the entry 3 Prepare the sample for calibration by applying couplant B to its surface and press ENTER The screen now appears similar to Figure 115 below 4 Hold the transducer steady against the sample and wait for the Set button to appear 5 To calibrate the gauge press the V arrow key to move to the Set button 6 Press ENTER Set button to start the calibration sequence Thickness Gauge Measure Display Graph Velocity Zer
110. e desired speed c Press ENTER to confirm your entry 188 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 9 Setting Error Limits cont Note In the velocity and acceleration boxes if the PT878 currently displays metric measurements the Fl softkey displays the word English If it displays English measurements the F1 softkey displays Metric Press F1 to display the measurement in the alternate format You have completed entering signal error limits e Press F2 Cancel to return to Operate Mode without confirming the error limits or e Press F3 OK to confirm the new limits and return to Operate Mode TransPort PT878 User s Manual 189 Chapter 8 Servicing the PT878 8 10 The Test Option Within the Service Menu the Test option includes seven tests to ensure that the PT878 is performing properly Test Screen Test Keys Watchdog Test Impulse Response Wave Snapshot Simulate and Battery Test To enter this option scroll to the Test entry on the Service Menu and press ENTER The screen appears similar to Figure 124 below Site Program Meter Logging SAME ER Velocity ft s Reports Calibrate Diagnostics Signal Setup Error Limits Test Delta T ns Test Screen Test Keys Watchdog Test Impulse Response Wave Snapshot Simulate Battery Test Figure 124 Test Option in the Service Menu Scroll to the desired entry in the option menu and press ENTER 190 T
111. e erer sew wide on 150 7 5 2 Displaying Log Data in Graphical Form 0 0 0 eee 151 7 5 3 Displaying Log Data in Spreadsheet FOrM o oo oo oo 154 76 THE SOP MOU gs road Sus de lote elt nto elena lah wk 155 761 Listing LOGS bY NOME pect ite Tanan EA adhe ated 155 7 6 2 Listing Logs in Chronological Order 0 0 c cece eee 155 TransPort PT878 User s Manual xi Chapter 8 Servicing the PT878 8 1 Entering the Service Menu ddan las de seen eed 158 8 2 TFANSTEFING REPOMS rnare mete are theless dente ye amd beni 159 8 3 Setting up the Thickness Gauge 6 cece cece cnn enn eens 162 8 4 Measuring Pipe Wall Thickness 0 e cece eect eee ees 163 8 4 1 Entering the Material and Soundspeed 0 0 cece eee 163 8 4 2 Measuring Thickness in Numeric Format 0 00 008 165 8 4 3 Displaying the Receive Signal in Graphical Format 166 8 4 4 Calibrating the Thickness Gauge Transducer 5 168 8 4 5 Calculating Velocity Pipe Material Soundspeed 171 8 5 Programming the Thickness GQUge 06 e enn eens 173 8 6 Displaying Diagnostic Parameters 0 c cece neces 176 8 7 Calibrating the Analog Output and Inputs 0 0 cece eee 177 8 7 1 Calibrating the Analog Output ooooocoococococococococooo 177 8 7 2 Calibrating IA PUtS 4 te bots de ts 179 8 8 Setting up Signal Parameters errierta Le eie E eE
112. e file and click OK COM3 Properties Port Settings Figure 52 COM Properties TransPort PT878 User s Manual 85 Chapter 4 Creating and Managing Sites 4 1 9d Transfer a Site File as a File from a PC to the PT878 cont From HyperTerminal complete the following steps 1 Select the Transfer Send File option 2 Select the location of the file and the XModem protocol 3 Click Send File transfer is complete when the XModem Receive dialog box closes The file should now appear in the PT878 Site Manager 4 1 10 Listing Files by Name If you want to list your files alphabetically by site name within the Site Manager press MENU to open the File Menu Then press the P arrow key twice to scroll from the File Menu to the Sort Menu shown in Figure 53 below Press ENTER The Site Manager screen refreshes with the sites listed in alphabetical order ENE File Site Ria DEFAULT MAA 09 04 02 14 51 10 5111 bytes 118272 bytes free Figure 53 Sort Submenu 86 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 11 Listing Files in Chronological Order If you prefer to list your files chronologically by time of creation within the Site Manager press MENU to open the File Menu Then press the P arrow key twice to scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Site Manager screen refreshes with the sites
113. eadings are erratic or you have other reasons to doubt the accuracy of readings for example readings do not agree with other flow measuring devices connected to the same process This section describes error messages diagnostic parameters and shows you how to isolate problems to one of the following areas e Electronics including programmed values e Flowcell which includes the pipe and fluid e Transducers and cables TransPort PT878 User s Manual 201 Chapter 9 Diagnostics and Troubleshooting 9 1 Error Code Messages Error Code messages appear on the screen while you are displaying measurements When logs appear in graph form errors are indicated by a vertical gray bar at the point of error When they appear in a spreadsheet format errors are indicated by their number in place of the measurement The Error Code messages are only general descriptions of the possible problems Use Table 7 below to isolate and remedy the problem If you are unable to remedy the problem contact the factory Note We suggest that in order to isolate the indicated problem more easily you obtain a test flowcell Contact the factory for details Problem No error Table 7 Error Messages Possible Cause Displays briefly after dis play of another error message Action None required Measurement is valid 202 Low Signal Poor ultrasonic signal strength Soundspeed Error Soundspeed is programmed using the Pr
114. eens 122 Brequeney 3 58 5 hee os abs She e Gas oles 59 G Gate NpUts vtr e be Rabies Hebe Etat whee see oka 60 Graph Display edad os eel dete Wee 92 TransPort PT878 User s Manual 265 Heli ete ote tin Mae meen oa tute ete e eke ob 22 Impulse Response Option 0 00 eee eee 194 Information Paragraphs 0 0 0 cece eA EE EAA RNa eens 111 Initial SSP 20 AA A Raa ee y 5 Input Output pes ee es 3 Connections A da 7 8 Inputs Analog IOputs cd Bs ata SAS Stok etwas SA 7 Analog Entering a sccp ed ket e ici 50 in Energy Opt ovocitos 44 46 47 48 K Keypad Description vta te o ee 20 Kinematic Viscosity Entering 0 0 0 eee eee eee 66 L Language ODUOn spore 122 Language Changing sirsa iuie i na e ERE E E E EE E E AES 122 Limits OPONE sels E E a A id RE 93 Line Graph Display vada E iia IA ae 92 Lining Parameters Entering 0 0 0 35 Listing Files By Date jets hort fee Me o enh aia A 86 108 By Name cis ro A SS Ae AS As 86 108 Listing Logs BY Date ren tse piece tok ans oe Sune ting e 155 By Nadie A avin pets 155 Eocale Option Li Chine esa 8 eae ete aoe RE 117 266 TransPort PT878 User s Manual Log Copying secede scien bee et A RR pea aoa acer 140 Creating ig Rate A Ra A ali et Pea eee 135 Deleting iii ii EAE dd ee ee 141 Deleting All aca AA Da ROAR AAR 142 Displaying Details n deh inh ados 150 Ending i sien SG ee ADA Bias BAM a hated Thos 147 Ending Alli a caes 148 Tn G
115. elow lists the available choices which vary with your selection of Tracking Windows or the Energy option Table 6 Fluid Type Selection Tracking Windows Off Tracking Windows On Other Water 0 260 C Water 0 260 C Oil Sea Water Other Oil 22 C Energy Off Crude Oil Lube Oil X200 Methanol Ethanol LN2 199 C Freon R 12 Water 0 260 C Water 0 260 C Water Glycol with glycol Water Glycol with glycol Energy On percentage percentage Other with single Other with minimum and soundspeed maximum soundspeeds b Scroll to the appropriate fluid If you do not see your fluid on the list select Other Note Depending on your selection additional prompts may appear as specified in Table 6 above c Press ENTER to confirm your selection At the end of any sequence pressing the V key returns you to the Tracking Windows prompt 38 TransPort PT878 User s Manual Chapter 3 Programming Site Data To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode e To scroll to other windows press the lt 4 or P key 3 6 Entering the Signal Path Parameters To enter the Path option scroll to the Path entry on the Program Menu and press ENTER From the Lining window you ca
116. enter the desired number Use the V or A arrow keys to scroll in 1 digit increments to the desired number For example if the text box displays 09 pressing the V key twice changes the number to 07 You can scroll from 01 to 12 for the month and from 01 to 31 for the day depending on the number you have selected for the month In either case press ENTER to confirm the entry Follow the same procedure to enter the end date and time The final prompt in this window asks for the logging interval a b c Press ENTER to open the text box Use the numeric keys to enter the desired interval in seconds Press ENTER to confirm the entry You have completed entering parameters in this window To select the measurements a b c Press the V key to return to the Format prompt Then press the A key to return to the General tab Finally press the P key to move to the Measurements tab and press ENTER The Measurements window appears similar to Figure 93 on page 138 TransPort PT878 User s Manual 137 Chapter 7 Logging Data 7 3 1 Setting up a New Log cont General MEETS NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT NO UNIT Figure 93 Log Measurements Window To step through each entry press the W key 1 Press ENTER to open the first entry The Select Measurement
117. entering data in this window Pressing the V key returns the program to the Material tab But if you selected Other you can also enter a specific soundspeed 3 To enter the soundspeed a Press ENTER to open the text box b Use the numeric keys to enter the desired soundspeed from the brochure Soundspeeds and Pipe Size Data 914 004 c Press ENTER to confirm your entry To leave the Material window e Press the lt or P arrow key to move to another tab to take readings or perform a velocity calibration e Press F2 Cancel to return to Operate Mode without confirming the soundspeed value e Press F3 OK to confirm the new value The PT878 returns to Operate Mode 164 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 4 2 Measuring Thickness in Numeric Format To measure the actual thickness of a pipe hold the calibrated transducer steady press the lt 4 or P arrow key until you reach the Display tab and press ENTER The T Gauge Display option shows the thickness measurement in numeric format displayed in Figure 110 below Note Refer to Appendix D Ultrasonic Thickness Gauge Theory of Operation page 251 to learn how to position and align the transducer Thickness Gauge Measure DEE Graph Velocity Zero Material Thickness mm Cancel Figure 110 Thickness Gauge Display Window Be sure the Noise or Los loss of signal boxes do not appear Pre
118. entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode e To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode 70 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites Chapter 4 Creating and Managing Sites As mentioned in Chapter 1 the PT878 can store site data in files for current and future access To learn how to program setup data refer to Chapter 3 Programming Site Data After you answer the necessary questions simply save the information to a site file The Site Manager option then enables you to recall rename revert to transfer or delete site files as needed To open the Site Menu press the MENU key at the lower right of the PT878 keypad The Menu Bar replaces the Status Bar at the top of the screen Then press ENTER The screen now appears similar to Figure 38 below While following the programming instructions refer to Figure 137 on page 219 and Figure 138 on page 221 of Appendix A Menu Maps SIN Program Meter Logging Service Site Manager Signal dB Save Now 1 View 2 View 3 View 4 View Volume l s Drive Manager FKeys About E0 No Errors Figure 38 Site Menu TransPort PT878 User s Manual 71 Chapter 4 Creating and Managing Sites 4 1 The Site Manager From the Site Menu press ENTER to open the Site Manager The screen appears similar
119. er 2 orarie ota a new 210 Chapter 10 Specifications TOT OVER he ld Mo SA 213 10 1 1 Hardware Configuration soyrrriererenerid tatr inir eens 213 10 12 SIZE W OGM ce ct ton ota ol solana 213 10 13 ENCIOS Uta lara anar 213 10 1 4 Flow Accuracy Velocity Of reading ooooooooo 213 TO ZEISCUICO rra ida tica 214 10 30perational Specifications 0 0 cnc nce cece eee o 216 A nc meta erat eid ete nonin Pet eae i See ees 217 10 4 1 Clamp On Ultrasonic Flow Transducers 0 0 cece eee 217 10 4 2 Temperature Transducers 2 0 c cece ence ences 217 10 5Pipe Size and Materidl eree ccc ccc nnn e eee ees 217 10 5 1 Clamp On Transducers 00 0 c cece cence cence en ences 217 10 6Avallable OptiOAS voir Genesee ida dadas 218 TransPort PT878 User s Manual xiii Appendix A Menu Maps Appendix B Measuring P and L Dimensions Appendix C Temperature Transmitter Installation C 1 Guidelines for RTD Installation 0 cece cece ce eens 243 C 2 Mounting RTDs on the Pipe sse teeveen ccc nent eee a 244 C 2 1 Assembling the Clamping Fixture 0 0 0 cece cece ees 244 C 2 2 Mounting the RTD to the Pipe 0 cece cece ees 245 C 3 Making Electrical Connections 0 6 c ccc cnn eee teen eens 245 C 3 1 Connecting the RTD to the 4 to 20 mA Transmitter 246 C 3 2 Connecting the Transmitter to the PT878 oo oo oo 247 Appendix D Ultrasonic Thickness Gauge Theory of
120. er the box Use the numeric keys to enter the number of minutes that the backlight remains on from 0 to 99 Press ENTER to confirm the entry To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode Note You can turn the backlight on or off at any time by pressing the power switch for I second TransPort PT878 User s Manual 121 Chapter 6 Programming Meter Settings 6 8 Changing the Display Language Important To use this option you must have previously loaded a language translation file into the PT878 The PT878 offers the selection of several languages for its display To change the display language 1 From the Meter menu scroll to the Language entry and press ENTER The Display Options window opens on the Display tab as shown in Figure 80 on page 120 2 Press the V key four times to reach the Language prompt 3 Then press ENTER to enter the drop down menu 4 Scroll to the desired language on the menu here shown as either English or Francais French i Press ENTER to confirm the entry and F3 OK to close the option 6 Since changing the language requires restarting the PT878 a window shown in Figure 81 below opens asking that you confirm the change Press F2 to cancel the change or F3 to confirm the change
121. erring a Wave Snapshot cont COMS Properties Post Settings Party N Stop bts Jow control N Restore Defauts Cancel Apply Figure 129 COM Properties TransPort PT878 User s Manual 197 Chapter 8 Servicing the PT878 8 10 7 Testing the Battery The Battery Test option provides additional battery information for service troubleshooting To enter the option scroll down to the Battery Test entry in the Service Menu and press ENTER The screen appears similar to Figure 130 below Service Battery Form Status Fast Charge Run Time 250 Minutes Batt Voltage 5 78 Volts Fast Charge 3 Min Backup Battery OK Batt temp 27 7 C Part Number EEN TAN ML Condition Battery ancel Figure 130 Battery Test Option The screen displays current status Fast Charge On Charge Discharging or On Battery the time remaining for the PT878 to run on the battery the time for the Fast Charge and the current condition of the backup battery 1 If you wish to open the Part Number window press ENTER You can choose from a 1 8 Ahr NiCd battery part number 200 058 or a3 0 Ahr NiMH battery part number 200 081 Scroll to the battery type you have installed and press ENTER 2 To condition the batteries press the ENTER key The Condition Battery window should now read Stop The status line should change to Discharging Updating the status could take up to 30 sec 3 To stop
122. ertain pipe materials carbon or stainless steel cast iron PVC and CPVC you have the option of entering the pipe dimensions by a standardized schedule Once you enter the nominal pipe size and identification the PT878 determines the OD and wall thickness from an internal table TransPort PT878 User s Manual 33 Chapter 3 Programming Site Data 3 3 Entering Pipe Parameters cont If you select a material that uses the Diameter alternative a You must select from two choices outside diameter or circumference e The prompt moves to the OD outside diameter text box Type the thickness in mm or in into the text box and press ENTER to confirm the choice or e Move the prompt to the OD X PI circumference text box Type the OD in mm or in into the box and press ENTER to confirm your choice b In either case the next prompt asks for the wall thickness Type the value in mm or in into the box and press ENTER to confirm your choice Note The measurement units shown depend on the choices you have made in the English Metric window or the Meter Settings menu If you select a material that has the Schedule option a The prompt asks if you wish to apply ANSI the ANSI schedule Press ENTER to select or deselect the ANSI box If you do not select the ANSI option the prompt moves to the OD text box and you enter the parameters for the Diameter alternative as discussed above b Press the lt d k
123. es a watchdog timer circuit If a software error causes the meter to stop responding this circuit automatically resets the meter A properly functioning PT878 restarts if you run the Watchdog Test To start the Watchdog Test scroll to the Watchdog Test option in the Test Menu and press ENTER The screen appears similar to Figure 127 below Site Program Meter Logging SEAS EA Watchdog Test al WARNING This test should automatically restart your meter Press Yes to start the test Press No to cancel the test Figure 127 Watchdog Test Screen Press F2 No to cancel the test and return to the Menu screen or press F3 Yes to start the test The PT878 should go blank for a few seconds and then restart If it does not follow this sequence consult the factory TransPort PT878 User s Manual 193 Chapter 8 Servicing the PT878 8 10 4 Setting Impulse Response The Impulse Response option enables you to force the meter to transmit in one direction only without changing the AGC setting You can then diagnose problems with transducer pipe or fluid configurations To enter the option scroll down to the Impulse Response entry in the Service Menu and press ENTER The screen appears similar to Figure 128 below Impulse Response Direction Upstream Percent Gain 20 Stopped Figure 128 Impulse Response Option 1 The first prompt asks in which direction you wish the me
124. esetting 0 0 eee eee eee eee 126 Reynolds Correction Entering 0 0 0 eee eee eee 65 S Safety A xiliary Equipment ii Aia iv General Issuesisso cece cee e ere dd Sie ds lil Personal Equipment oia So ag a SAG aa eae iv Sampling Waves aria al id Bae a a li 195 Schedule for Pipe Dimensions 0 0 00 c eee eee eee eee 33 Screen DESCUPION a ee ghee Lee A aout ek oe 18 On Line Heliconia eta teed Beata al bebe Beas 22 Service Menu Entering cgi 3 oe ata di Sod BAMA A eole hae ees wag 158 Mente Map ooe ces Saas eas ation San beak 225 Signal o ol E 181 Cp aa a SARA aa 195 TNVETSION lt A ado 175 260 Path Enter coo RAR AR BRS 39 SUP Option ir A AO oe 181 TransPort PT878 User s Manual 269 Site Creating Message sc corte kota A A ii 81 Creating a NE Winia i ira a ee Cee eo 74 Deleting cima td ta Geer Ag ated 80 107 Meni tad AA lad OA Bila Se PANS io 71 Opening os ee ite Lek Ma ee te bee 76 Refreshing ss tes hs Ss a a Sea A A eis SS a 79 Re amins enee centa dhe ee bcbg Ste Reece dh edad dees aria 79 SAVING ir AAA 45 A 77 Saving with Different Name 00 0 0 eee eee eee 78 Site Mana per Sii o a geen tenes outa Se cE ONE Bees De 72 Sort Menus to tadad tbat vote oda Sedat ats 86 Softkey CIS ANIM a O idad 101 CUStOMNIZIN Gc ie eaten a Ta E ts Lous TE IA 99 Software Version sanaa tisk eee RA AAA 109 Sort Menu in Pile Managers vj os oie be ts ea ei ke A le ees SE ee ees 108 in L
125. est GE authorized service center 14 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 3 Powering ON and OFF To operate the PT878 the power cord must be plugged into line voltage or the battery must be charged as described previously Important For CE compliance the PT878 is classified as a battery powered device not to be used with the AC adapter To comply with CE certification do not operate the meter with the charger plugged in To turn the PT878 on press the red button in the upper right hand corner of the keypad Immediately upon power up the PT878 emits a short beep and displays a PCI Loader message It then validates the instrument programming and then displays the GE logo and the software version and emits a long beep If the meter fails any of these tests contact the factory WARNING Ifthe meter fails the backup battery test you A must send the unit back to the factory for a battery replacement Make sure you keep the batteries charged until you are ready to ship the unit back to the factory Before shipping transfer all the log and site data to your PC TransPort PT878 User s Manual 15 Chapter 2 Initial Setup 2 3 Powering ON and OFF cont After the meter conducts all the self checks the screen then appears similar to the one shown in Figure 6 below ABC SIT 2000 11 30 09 53 AM Velocity ft s Signal dB 32 0 00 IE _ Delta T ns Volume I s 0 10 E0 No Er
126. eter allows the user to update firmware communicate with a PC running the GE PanaView graphical user interface software and transfer files via a built in USB Interface This manual provides instructions for performing these actions The PT878 USB design uses an RS232 to USB converter which converts the USB data to standard serial port data The RS232 communications protocol is used which allows the meter to operate with both the GE PanaView graphical user interface software as well as commercially available terminal emulation programs such as HyperTerminal The PT878 communications parameters such as baud rate 300 to 38400 baud can be set via the PT878 keypad Important All PC and PT878 communications parameters must match for successful data transfer 8 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 1 4 The USB Port cont The PT878 always ships with the latest firmware version installed However as new firmware versions become available your PT878 firmware is easily updated via its USB interface The USB connector installed in the PT878 is IP67 rated and is leak resistant even if the instrument is exposed to water for a short period of time CAUTION Be sure to use caution when connecting a USB A cable to the PT878 if the meter s USB connector has been exposed to water 2 1 4a USB Setup The initial step for communicating with the PT878 through its USB interface is to make sure that the PC opera
127. etters a set of lower case letters and a set of symbols Use all three screens to create a desired label c Repeat this procedure for each letter or symbol you wish to add to the label If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label 62 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 11 Entering User Functions cont d When you have completed the label press F3 OK to confirm the label or F2 Cancel to leave the window without adding the label 3 The next prompt asks for the Units Symbol a b Press ENTER to reopen the text creation window Repeat the procedure used for the Label on page 62 to create the Units Symbol When you have completed the label press F3 OK to confirm the symbol or F2 Cancel to leave the window without adding the symbol 4 The next prompt asks you to select the number of decimal places a b c Press ENTER to open the drop down menu Scroll to the desired number of decimal places ranging from 0 to 4 Press ENTER to confirm the entry 5 The final prompt asks for the function itself a b Note Press ENTER to open the function creation window which appears similar to Figure 34 on page 64 Use the four arrow keys to scroll to the desired function or table and press ENTER to confirm each entry Use the numeric keys to enter numeric values Pres
128. ey twice to move the prompt to the Nominal pipe size drop down menu Press ENTER to open the menu Scroll to the desired pipe size and press ENTER to confirm your choice c Press the P key to move the prompt to the Schedule drop down menu Press ENTER to open the menu Scroll to the desired schedule and press ENTER to confirm the choice After entering either diameter or schedule settings pressing the A key returns the meter to the Pipe Material prompt 34 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 3 Entering Pipe Parameters cont To confirm the entries and return to Operate Mode press F3 OK e To leave the window without confirming the entries press F2 Cancel or the ESC key In either case the PT878 returns to Operate Mode e To return to the Pipe tab and scroll to other windows press the A key 3 4 Entering Pipe Lining Parameters To enter the Lining option scroll to the Lining entry on the Program Menu and press ENTER From the Pipe window you can scroll back up to the Pipe tab and press the P arrow key to reach the Lining window and press ENTER The screen appears similar to Figure 18 below To step through each parameter press the W key While programming refer to Figure 144 on page 228 of Appendix A Menu Maps Note The Lining option is only available for clamp on transducers Transducer Pipe Transducer Pipe Fluid Path Materi
129. ferring a Log to a PC Log files are only required to be transferred from the PT878 to a PC This can be accomplished via either PanaView or HyperTerminal as text or as binary data 7 3 7a Transfer Log Files Using PanaView To transfer a log file from the PT878 to a PC using PanaView complete the following steps 1 Connect the PT878 to the PC page 9 2 View the available logs from the PT878 in the Meter Logs section of the PanaView Explorer window For example see LOGO1 log in page 143 below 3 Double click the log file and the data will be pulled into PanaView The data can then be displayed as a Graph and saved as a PC log file If desired the PC log file can now be exported as a CSV file so it can be opened with Microsoft Excel Tn Ele fda Yew Quiput Window Help Mi Ses wore Figure 96 PanaView Meter Browser TransPort PT878 User s Manual 143 Chapter 7 Logging Data 7 3 70 Transfer Log Files as Text using HyperTerminal To transfer a log file as text from the PT878 to a PC using HyperTerminal complete the following steps 1 2 Connect the PT878 to the PC page 9 Start HyperTerminal and set up the communication link to match the Com port and RS232 settings of the PT878 see Figure 97 below From the PT878 select Logging Log Manager and select the Log file you want to send to the PC From Log manager select File Transfer as Text This should print out the Log file as text to
130. firming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode To enter data for Custom Cp calculations proceed to the Custom Cp tab discussed on page 46 3 7 2 Entering Custom Cp Data in the Energy Option To program Custom Cp tables in the Energy Option return to the tabs at the top of the Energy Option window Press the gt arrow key until you have highlighted the Custom Cp tab and press ENTER The screen appears similar to Figure 23 below To step through each parameter press the W key Energy Options Energy Option Inputs Custom Cp Custom Cp Edit Table Density Source C Fixed Table Static Density Density Table Edit Table Cancel Figure 23 Custom Cp Tab in the Energy Option 46 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 7 2 Entering Custom Cp Data in the Energy Option cont 1 The first prompt asks if you wish to enter or edit data in the Custom Cp enthalpy table a Press ENTER to open the Custom Cp table shown in Figure 24 on page 47 b Use the numeric keys to enter the desired temperature in degrees Kelvin and press ENTER to confirm the entry c Press the P key to move to the kJ kg K column enthalpy in KiloJoules Kilogram Kelvin Use the numeric keys to enter the desired value and press ENTER Custom Cp Kelvin kJ kg K
131. fixed supply the PT878 asks for the desired temperature Use the numeric keys to enter the desired temperature in degrees C and press ENTER to confirm the entry If you have selected an active supply the PT878 asks for the desired input a Press ENTER to open the drop down menu b Scroll to Input A or B c Press ENTER to confirm the entry The next prompt asks if the temperature return is fixed or active a Use the lt d and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection The next prompt depends on whether you have selected a fixed or an active return If you have selected a fixed return the PT878 asks for the desired temperature Use the numeric keys to enter the desired temperature in degrees C and press ENTER to confirm the entry If you have selected an active return the PT878 asks for the desired input a Press ENTER to open the drop down menu b Scroll to Input A or B c Press ENTER to confirm the entry Note Jf either input is fixed the analog input s not used by the Energy Option can act as general purpose inputs Pressing the W key returns the meter to the Inputs tab TransPort PT878 User s Manual 45 Chapter 3 Programming Site Data 3 7 1 Entering Inputs in the Energy Option cont To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without con
132. ften cures these problems In some cases different transducers may be used that protrude into the flow stream 3 THE PIPE OR FLOWCELL DIMENSIONS MUST BE ACCURATE The accuracy of your flow measurements will be no better than the accuracy of your programmed pipe or flowcell dimensions If GE did not supply your flow cell the dimensions you program must be consistent with the required flow accuracy Check your pipe for wall thickness diameter dents eccentricity weld deformity and straightness 4 THE PIPE SURFACES SHOULD BE SMOOTH FOR CLAMP ON When using clamp on transducers both the inside and the outside of the pipe at the transducer locations must be smooth If the pipe is extremely rough the ultrasonic signal will be scattered by the rough surface and will not be received by the flowmeter preventing flow measurement 5 THE PIPE MUST ALLOW ULTRASOUND TO PASS THROUGH FOR CLAMP ON Some pipe materials or linings such as Fiberglass or generic fiber reinforced pipe Teflon and polyethylene absorb ultrasound and may cause problems in clamp on applications Pipes with extremely thick walls or high OD to ID ratios may also present difficulties TransPort PT878 User s Manual 207 Chapter 9 Diagnostics and Troubleshooting 9 4 Transducer Problems Ultrasonic transducers are rugged However they are subject to physical damage due to mishandling and chemical attack Clamp on transducers are also subject to installation vari
133. g outputs in the event of a fault condition The meter offers three alternatives Hold Last Value hold the last good reading Force Low force the reading to 0 or 4 mA Force High force the reading to 20 mA a Press ENTER to open the drop down menu b Scroll to the desired selection c Press ENTER to confirm your selection You have completed entering data in the Analog Output option 56 To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 3 10 Entering the Digital Output While resembling the Analog Output option the Digital Output option Chapter 3 Programming Site Data enables you to set up parameters necessary for a digital output To enter the option scroll to the Digital Output entry on the Program Menu and press ENTER The screen appears similar to Figure 31 below To step through each parameter press the W key While programming refer to Figure 150 on page 234 of Appendix A Menu Maps Digital Output Function Data Source Pulse Totalizer Fwd Totalizer Fwd Gallons Units Pulse Pulse Width Polarity 10 10 us Low to High Cancel Figure 31 Digital Output Window 1 The first prompt enables you t
134. ger which highlights the renamed log 7 3 4 Deleting a Log To delete a log 1 First select the log you wish to delete in the Log Manager shown in Figure 89 on page 133 Then open the File Menu scroll to the Delete option and press ENTER 3 A delete confirmation window opens as shown in Figure 95 on page 142 Press F2 No to stop the deletion or F3 Yes to delete the log The Log Manager reappears with the specified log deleted TransPort PT878 User s Manual 141 Chapter 7 Logging Data 7 3 4 Deleting a Log cont Log Manager Delete Delete Log 555 LOG Figure 95 Delete Confirmation Window 7 3 5 Deleting All Logs To clear the Log Manager and memory of all logs open the File menu scroll to the Delete All Logs option and press ENTER A window opens asking Delete All Logs Press F2 No to stop the deletion or F3 Yes to delete the logs A blank Log Manager appears All logs have been deleted 7 3 6 Refreshing the Log Manager Screen To refresh the Log Manager screen and view the most recent information on a given log select the log you wish to view in the Log Manager Then open the File Menu scroll to the Refresh option and press ENTER The screen momentarily blanks and then reappears with the most current information on the highlighted log 142 TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 7 Trans
135. h measurement You can also use any parameter in the meter to calculate a different parameter To enter the User Functions option scroll to the User Functions entry on the Program Menu and press ENTER The screen appears similar to Figure 32 below To step through each parameter press the W key Refer to Figure 151 on page 235 of Appendix A Menu Maps Set User Function Function Label Units Sym Dec Figure 32 User Functions Window 1 The first prompt asks you to select the function number 1 through 8 a Press ENTER to open the drop down menu b Scroll to the desired function number User F1 User F2 etc c Press ENTER to confirm the entry TransPort PT878 User s Manual 61 Chapter 3 Programming Site Data 3 11 Entering User Functions cont 2 The next prompt asks you to create a label for the function The label corresponds to the measurement type i e velocity or temperature while the units symbol corresponds to the measurement units i e feet sec or degrees F a Press ENTER to open the text creation window which appears similar to Figure 33 below Figure 33 Text Creation Window b Use the four arrow keys to scroll to the desired letter or symbol and press ENTER to add the letter to the label Note Pressing SEL causes the screen to alternate between a set of upper case capital l
136. hat the Snapshot function To file has been activated so users can take screen captures see page 130 The bottom of the screen displays the three function key options Fl F2 and F3 These keys have different functions depending on the task you are performing TransPort PT878 User s Manual 19 Chapter 2 Initial Setup 2 4 2 Keypad The PT878 keypad has 25 keys The functions for each key are as follows see Figure 9 on page 21 20 3 function keys F1 F2 F3 enable you to select the special functions which appear at the bottom of the screen 12 numeric keys including and enable you to enter numeric data 4 arrow keys 4 gt A W enable you to move through the menu options Help key enables you to access on line help discussed on page 22 MENU Menu key enables you to access the Main Menu ENTER enables you to enter a particular menu and enters selected values into the PT878 memory SEL enables you to move between data measurements on the screen ESC enables you to exit menus or menu options at any time cancels a numeric entry Red key O turns the power on or off and toggles the backlight on or off TransPort PT878 User s Manual Chapter 2 Initial Setup 2 4 2 Keypad cont Figure 9 P
137. hen use the W or A arrow keys to select the desired measurement unit or diagnostic parameter Press F3 OK to confirm the entry 7 The screen returns to Operate Mode and displays any changes TransPort PT878 User s Manual 95 Chapter 5 Displaying and Configuring Data 5 4 The Measurement Option cont Select Measurement Diagnostics Delta T Velocity Amplitude Up Volume Fwd Totalizer Rev Totalizer T Up Power Energy T Down Temperature Gain Amplitude Down Soundspeed P Up Figure 58 Measurement Menu Window 96 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 5 Customizing the Display Screen You might wish to display one or two parameters or customize the soft keys to quickly access particular menus The Site Menu enables you to make more comprehensive changes in your display screen To enter the Site Menu press the MENU key at the lower right of the PT878 keypad The Menu Bar replaces the Status Bar at the top of the screen The Site Menu will be highlighted in the upper left corner Press ENTER or the V arrow key The screen now appears similar to Figure 59 below While following the programming instructions refer to Figure 138 on page 221 of Appendix A Menu Maps SIN Program Meter Logging Service Manager Signal dB Save Now 1 View 2 View 3 View 4 View Drive Manager FKeys About E
138. hooting 9 3 Flowcell Problems Flowcell problems fall into two categories fluid problems and pipe problems Read the following sections carefully to determine if such problems exist 9 3 1 Fluid Problems Most fluid related problems can be solved by proper design of the flowmeter installation and the proper choice of transducer frequency Contact the factory if you cannot solve a fluid related problem Certain fluid properties may prevent proper flow measurement Some fluid properties that cause problems are listed below 1 THE FLUID MUST BE HOMOGENOUS SINGLE PHASE RELATIVELY CLEAN and FLOWING STEADILY Solid particles and gas bubbles absorb and disperse ultrasound Although in some cases solids and gases have little effect on the operation of the TransPort excessive amounts will prevent ultrasound transmission through the fluid and interfere with proper flow measurement Temperature gradients may also cause a problem 2 THE FLUID MUST NOT CAVITATE NEAR THE FLOWCELL Fluids with a high vapor pressure may cavitate near or in the flowcell This causes problems resulting from gas bubbles in the fluid Cavitation can usually be controlled through proper installation design 3 THE FLUID MUST NOT ATTENUATE ULTRASOUND EXCESSIVELY Some fluids particularly those that are very viscous absorb ultrasound energy In these cases an E1 will display on the screen to indicate that the ultrasonic signal is not of sufficient strength fo
139. identified as the point where the signal crosses a threshold that is a percentage of the maximum signal detected The peak method is more reliable in identifying the signal in dynamic conditions while the threshold method is more reliable in marginal signal conditions Note Do not change the peak detection method or values unless recommended by the factory From the Signal Parameter tab press the P arrow key to move to the Peak Detection tab The window appears similar to Figure 121 below Signal Setup Signal Para Peak Detect Pulse Code Peak Detect Method Peak Threshold Min Threshold Max Threshold Percent Peak Cancel Figure 121 Peak Detection Window Signal Setup Option 184 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 8 2 Setting up Peak Detection cont 1 The first prompt asks for the peak detection method Use the lt d and P gt arrow keys to move to the appropriate radio button and press ENTER If you have selected the peak detection method you have completed entering data in this window But if you have selected the threshold method you must also enter the minimum and maximum threshold percentage available from 0 to 100 used to measure transit time 2 To enter the minimum threshold a Press ENTER to open the text box b Use the numeric keys to enter the desired percentage c Press ENTER to confirm your entry
140. ing the status could take up to 30 seconds Note Jt is advisable to condition NiCad batteries when their run time is reduced to 50 of their previous run time 4 To stop the discharge cycle press the ENTER key and the Condition Battery window reappears The status now changes to On Charger 5 Press F3 OK to return to Operate Mode 6 4 Entering Date and Time In Operate mode the Status Bar displays the current date and time above the measurements in the upper right corner of the screen The Date Time option allows you to set the date or time which are required for correct data logging operation To set the time 1 From the Meter menu scroll to the Date Time entry and press ENTER The Meter Settings window reopens as shown in Figure 77 on page 113 2 From the Units option press the V key once to reach the date text box This box displays the current meter date 3 Press ENTER to enter the text window The meter highlights the center number Use the 4 and P keys to scroll to any number you wish to change TransPort PT878 User s Manual 115 Chapter 6 Programming Meter Settings 6 4 Entering Date and Time cont 4 Two alternatives are available to change a highlighted number e Use the numeric keys to enter the desired number e Use the V or A arrow keys to scroll in 1 digit increments to the desired number For example if the text box highlights 09 pressing the V key twice
141. inished press F3 OK to confirm the entry or F2 Cancel to leave the window without creating a site A second screen appears as shown in Figure 42 below asking if you want to use the currently highlighted site as a template with the current display windows measurements and programmed data To modify the display and measurements refer to Chapter 5 Displaying and Configuring Data To alter programming data see Chapter 3 Programming Site Data e Press F2 No if you do not want to use it or e Press F3 Yes if you do want to use it as a template New Site Use the selected site DEFAULT SIT as a template Figure 42 Template Confirmation Window The meter returns to Operate Mode with the new site name displayed in the upper left corner of the screen TransPort PT878 User s Manual 75 Chapter 4 Creating and Managing Sites 4 1 2 Opening an Existing Site If you want to return to a site you have previously saved first highlight the replacement site in the left window of the Site Manager Then press MENU to open the File Menu Scroll to the Open option and press ENTER The screen appears similar to Figure 43 below Site Manager Open Confirmation Open File DEFAULT Are You Sure Figure 43 Open Site Confirmation Window e Press F2 No to cancel opening the site and return to the current site or e Press F3 Ye
142. ion scroll to the Correction Factors entry on the Program Menu and press ENTER The screen appears similar to Figure 35 below To step through each parameter press the W key Refer to Figure 152 on page 236 of Appendix A Menu Maps Correction Factors lO cai Calibration Factor Re Correction 6 On O Off K V Factor 0 Single Table K V v 10 m s Data Source Edit Table Figure 35 Reynolds Correction Window 3 11 2 Entering Reynolds Correction The default for Reynolds Correction is On This correction factor should be on in most applications including all those that utilize clamp on transducers It makes a small adjustment to the flow rate reported by the PT878 based on the Kinematic Viscosity Reynolds Correction is necessary as the velocity of the fluid measured along a diametrical path must be related to the total area average velocity over the entire pipe cross section TransPort PT878 User s Manual 65 Chapter 3 Programming Site Data 3 11 2 Entering Reynolds Correction cont 1 The first prompt asks if you want to enable the Reynolds Correction factor a number based on the Kinematic Viscosity and flow rate of the fluid Note Ifyou are using clamp on transducers you should enable Reynolds Correction a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection Note Jf you disable Rey
143. ion Be sure to exactly follow the instructions that came with your transducers and clamping fixtures Also be sure that the transducer spacing agrees with the calculated spacing S 3 INTERNAL DAMAGE Ultrasonic transducers consist of a ceramic crystal bonded to the transducer case The bond between the crystal and the case may be damaged by extreme shock and by temperature extremes The crystal itself can also be damaged by the same conditions The internal wiring can be corroded or shorted if contaminants enter the transducer housing TransPort PT878 User s Manual 209 Chapter 9 Diagnostics and Troubleshooting 9 4 2 Clamp on Transducer Problems cont 4 PHYSICAL DAMAGE Transducers may be physically damaged by being dropped onto a hard surface or being struck against another object Usually the transducer connector is the part that is damaged as it is the most fragile Minor damage may be repaired by carefully bending the connector back into shape If the connector cannot be repaired replace the transducers Note that transducers must be replaced in pairs and that after replacement the flowmeter parameters should be checked see Chapter 3 Programming Site Data 5 CYCLE SKIP CONDITION A cycle skip is usually caused by a distorted or altered signal due to poor couplant bad wall or unusual fluid disturbances To resolve a cycle skip recouple both transducers with proper couplant Try standard CPL 1 couplant that
144. ite Data 3 9 Entering the Analog Output cont 2 The next prompt asks you to select the analog output type from a list of choices as shown in Figure 30 below Select Measurement Diagnostics Meters sec Velocity Feet sec Temperature Volume UserFunction Aux Input A Aux Input B Power Test Figure 30 Data Source Selection Window a Press ENTER to open the window b Scroll to the desired output type c Press SEL to confirm your selection d The prompt then moves to a list of unit types The available units depend on the selection made at the Data Source prompt Scroll to the desired output unit e Press F3 OK to confirm your selection TransPort PT878 User s Manual 55 Chapter 3 Programming Site Data 3 9 Entering the Analog Output cont 3 The next prompt asks you to enter the zero base value for the analog output This value represents the 0 4 mA output in flow units a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection The next prompt asks you to enter the span full scale value for the analog output This value represents the 20 mA output in flow units a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection The last prompt On Error asks you to select how the PT878 will handle the analo
145. its option 1 Press SEL from the Operate Mode window until you have reached the desired measurement 2 Press ENTER to open the Display Menu 3 Be sure the Limits option is highlighted and press ENTER 4 A drop down menu entry Change appears Press ENTER again The screen appears similar to Figure 57 below Set Line Graph Parameters Velocity Minimum Maximum Seconds Use Lines Plot Average Value Show Minimum and Maximum Cancel Figure 57 Line or Bar Graph Parameters Window TransPort PT878 User s Manual 93 Chapter 5 Displaying and Configuring Data 5 3 The Limits Option cont 5 The first prompt asks for the minimum value shown in the graph a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the value 6 Repeat the procedure in step 5 to enter the maximum value A line graph involves two more prompts 7 The next prompt asks for the display interval a Press ENTER to open the text box Use the numeric keys to enter the desired number Press ENTER to confirm the value b The second box asks for the interval in terms of seconds minutes hours or days Press ENTER to open the drop down menu and then press the V or A keys to move to the desired parameter Press ENTER to confirm the entry 8 The final three prompts ask for details
146. l Chapter 6 Programming Meter Settings 6 11 Setting up User Tables cont 4 The final prompt asks you to enter or change data in the user table a Press ENTER to open the window The screen appears similar to Figure 87 below Edit User Table 1 UserTable1 Figure 87 Edit User Table Window b Use the four arrow keys to move to the desired entry in the table c Press ENTER Then use the numeric keys to enter the desired data which appears in the right corner of the window above the table d Press ENTER to confirm the data which then appears in the appropriate slot in the table e Repeat steps b c and d on the previous page 129 until you have completed entering data for the table f When you have finished press F3 OK to confirm the entries or F2 Cancel to leave the window without confirming the table TransPort PT878 User s Manual 129 Chapter 6 Programming Meter Settings 6 11 Setting up User Tables cont The program returns to the Edit Tables window To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode 6 12 Taking a Bitmap Capture of a Current Screen The Snapshot option enables you to take a screen capture of the current screen in bitmap format bmp for display or storage i
147. l battery gauge indicates the remaining power in the batteries To charge the batteries simply plug the AC power module cord into the power jack shown in Figure 2 on page 6 and be sure the battery pack is installed When the PT878 is plugged into line voltage the internal battery charger automatically charges the batteries whether the PT878 is on or off If the PT878 is on the Battery icon in the upper right corner of the screen indicates battery status as shown in Table 2 on page 13 Note For version 1B of the PT878 software you must also press the red power key in the upper right corner of the keypad See page 109 to determine your software version For optimal run time charge the batteries only in temperatures from 50 F to 104 F 10 C to 40 C Otherwise the batteries will not be properly charged and will have a significantly reduced run time 12 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 2 1 Charging and Storing the Batteries cont Store the batteries at temperatures from 4 F to 131 F 220 C to 55 C for periods of less than one month or from 32 F to 104 F 0 C to 40 C for longer periods If you are transporting them for two days or less the batteries can withstand temperatures from 40 F to 158 F 40 C to 70 C Table 2 Battery Status Icons Battery Status Full battery Partially full battery Empty battery Fully charged battery connected to AC power Ch
148. les with a sit site or met meter extension If you try renaming another type of file with a sit or met extension and transfer it it will be transferred but 1t will not function if you open it Also if you are transferring a file and the meter already has a file with the identical name the meter will overwrite its current file with the transferred file If the transferred file has a name longer than eight characters the meter will shorten the name to eight characters and replace any spaces in the name with underbars Note Itis not possible to download log files back to the PT878 To download a site or meter file from a PC to a PT878 1 Connect the PT878 USB port to any USB port on the PC page 9 2 Start HyperTerminal and set up the communication link to match the PT878 Com port settings 3 From the PT878 select Site Site Manager and then select Site Transfer from the PC Type in the name of the site file and click OK From HyperTerminal complete the following steps 1 Select the Transfer Send File option 2 Select the location of the file and the XModem protocol 3 Click Send File transfer is complete when the XModem Receive dialog box closes The file should now appear in the PT878 Site Manager TransPort PT878 User s Manual 105 Chapter 5 Displaying and Configuring Data 5 6 3 Refreshing a File To refresh a file so that the PT878 displays the most recent information you have two options e Press MENU
149. listed in chronological order from the most recent to the earliest TransPort PT878 User s Manual 87 Chapter 4 Creating and Managing Sites no content intended for this page proceed to next page 88 TransPort Model PT878 Portable Liquid Flowmeter User s Manual Chapter 5 Displaying and Configuring Data Chapter 5 Displaying and Configuring Data The PT878 allows you to view from one to four different measurement parameters simultaneously The screen can show these parameters not only in numeric format but as line or bar graphs as well You can configure any given measurement for your particular requirements To configure an individual measurement press SEL from the Operate Mode window shown in Figure 6 on page 16 A cursor appears next to the parameter closest to the upper left corner Continuing to press SEL enables the cursor to scroll through the other displayed measurements Once you have reached a particular window pressing the ENTER button opens the menu for that window as shown in Figure 54 below To learn how to use the display window menu see page 90 to page 94 ABC SIT 2000 11 30 09 53 AM T Velocity ft s Signal dB ed View Measurement 32 0 00 A Delta T ns Volume l s 0 10 0 0 cones ERA Figure 54 Display Screen After Pressing SEL TransPort PT878 User s Manual 89 Chapter 5 Displaying and Configuring Data 5 1 The Format Option The first option o
150. ls option and press ENTER The screen now appears similar to Figure 101 below Log Info State Finished S 03 01 01 13 13 41 E 03 01 01 13 23 41 Interval 10 Seconds Records 51 Precision 8 Error No Basic Velocity Meters sec Figure 101 Log Details Display Window List of Measurements in Log Press F2 Cancel or F3 OK to return to the Log Manager 150 TransPort PT878 User s Manual Chapter 7 Logging Data 7 5 2 Displaying Log Data in Graphical Form To view a log in graphical form be sure the log is highlighted in the left window of the Log Manager Then scroll to the View menu and press ENTER Scroll to the Graph option and press ENTER AAA LOG Velocity ft s 2001 03 01 2001 03 01 13 23 41 PM 13 53 41 PM Figure 102 Log Graph Display Window The Select Measurement window opens and lists the log measurement parameters If a log contains more than one measurement you must select which measurement to plot from the list displayed Once you have chosen the measurement parameter press F3 View The screen now appears similar to Figure 102 above Press F2 Cancel to leave the window without viewing the graph e If you wish to alter the graph scale press F1 Scale and go to page 152 e If you wish to alter the time scale press F2 Time and go to page 153 e To leave the window press F3 Exit TransPort PT878
151. milar to Figure 116 on page 174 TransPort PT878 User s Manual 173 Chapter 8 Servicing the PT878 8 5 Programming the Thickness Gauge cont Thickness Gauge Setup Programming Low Signal Thresh Transducer Delay Noise Threshold Detection Threshold 0 0 0 us Signal Inversion On 8 Off 0 Cancel Figure 116 Thickness Gauge Programming Window 1 Press the V arrow key to enter the window 2 The first prompt asks for the low signal threshold If the signal strength falls below this value a Low Signal message appears on the screen To change this value a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry 3 The next value transducer delay represents the time the ultrasonic signal takes to travel from the meter to the pipe material surface To change this value a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry 174 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 5 Programming the Thickness Gauge cont 4 The signal inversion prompt enables you to invert the thickness transducer signal Signal inversion may be necessary if your thickness readings show unusual jitter or for certain unusual combinations of pipe and fluid or pipe and
152. mming Site Data 3 8 1 Entering General Purpose Analog Inputs cont 2 The next prompt asks if you want to label the input a Press ENTER to enter the text box The text creation window appears as shown in Figure 27 below Figure 27 Text Creation Window b Use the four arrow keys to scroll to the desired letter or symbol and press ENTER to add the letter to the name Note Pressing SEL causes the screen to show successively a set of upper case capital letters a set of lower case letters and a set of symbols Use all three screens to create a desired label c Repeat this procedure for each letter or symbol you wish to add to the name If you wish to delete a letter press F1 Delete to erase each letter or symbol from right to left on the label d When you have completed the label press F3 OK to confirm the label or F2 Cancel to leave the window without adding the label TransPort PT878 User s Manual 51 Chapter 3 Programming Site Data 3 8 1 Entering General Purpose Analog Inputs cont 3 The next prompt asks you to create a label for the units if desired This label will appear to the right of the zero and span value boxes Press ENTER to reopen the text creation window and follow the same steps covered in Step 2 on page 51 The next prompt asks for the zero input value a Press ENTER to enter the text box b Use the n
153. mping fixture before you can mount the RTDs to the pipe Use the following instructions below to mount the RTDs C 2 1 Assembling the Clamping Fixture The clamping fixture consists of the following parts one strap length depends on the pipe size e a screw buckle e a feeder buckle To assemble the clamping fixture 1 Cut the strap equal to the circumference of the pipe 2 Fold 1 2 inch of one end of the strap into a hook shape 3 Secure the screw buckle to one end of the strap by placing the strap through the buckle and folding the strap 4 Crimp the strap closed to secure the screw buckle in place 5 Each RTD has a securing post located on the rounded portion of the RTD that secures the RTD in place when it is mounted on the pipe Place the RTD on the strap by sliding the strap under the securing post Important Make sure you place the RTD on the strap so when the strap is wrapped around the pipe the flat surface of the RTD sits against the pipe 6 Secure the feeder buckle to the other end of the strap by placing the strap through the buckle and folding the strap the folded section should be approximately 1 2 inch 7 Crimp the strap closed to secure the feeder buckle in place Repeat steps 1 through 7 for the remaining RTD and clamping fixture When you have completed assembly proceed to the next section to fasten the RTD to the pipe 244 TransPort PT878 User s Manual Appendix C Temperature Transmit
154. n a Windows based PC To take a snapshot of the screen 1 2 From the Meter menu scroll to the Snapshot entry and press ENTER Another menu opens with two entries Off and To File Scroll to the desired entry and press ENTER Note An icon of a camera for file capture see page 19 appears at the 130 far right of the status tray indicating that you have activated the Snapshot option Figure 76 on page 112 shows a screen with the Snapshot option activated To capture a screen press the decimal button in the lower left corner of the keypad twice The meter beeps indicating that it has made a screen capture The captured file appears as Screen OX bmp in the Drive Manager see page 102 To transfer the file to a PC follow the instructions in Transferring a File to a PC on page 104 TransPort PT878 User s Manual Chapter 7 Logging Data Chapter 7 Logging Data A powerful and flexible feature of the PT878 is data logging The meter enables you to choose up to 12 parameters to log Log files contain diagnostic and measurement data as programmed by the user The log file is typically programmed in the PT878 Log Manager but it can also be programmed using PanaView You can also select the start time and date end time and date and time interval Logs can run one at a time or simultaneously Error and circular logs are also available The logged data is internally stored in battery backed up mem
155. n configuration parameters for the PT878 These parameters can be changed one at a time and saved in the meter s memory via either PanaView or the PT878 keypad Site files can be transferred as text to the PC and transferred as files between the PC and the PT878 meter 4 1 96 Transfer a Site File as Text using HyperTerminal To transfer a PT878 site file to a PC as text using HyperTerminal complete the following steps 1 Connect the PT878 USB port to any USB port on the PC page 9 2 Start HyperTerminal and set up the communication link to match the PT878 Com port settings 3 From the PT878 select Site Site manager and select the site file you want to print to PC 4 From Site manager select Site Transfer as Text This should print out the site file as text to HyperTerminal COM3 Properties Port Settings Restore Defauts Cancel Apply Figure 50 COM Properties TransPort PT878 User s Manual 83 Chapter 4 Creating and Managing Sites 4 1 96 Transfer a Site File as Text using HyperTerminal To save the site file as text in HyperTerminal complete the following steps 1 Select the Transfer Capture Text option 2 Select the location of the file and the filename Then click Start 3 Transfer the site file as text from the PT878 and then select the Transfer Capture Text End option in HyperTerminal The site file transfer is now complete 4 1 9c Transfer a Site File as a File from the PT878 to a PC To tran
156. n scroll back up to the Lining tab and press the P arrow key to reach the Path window and press ENTER The screen appears similar to Figure 20 below To step through each parameter press the W key Refer to Figure 146 on page 230 of Appendix A Menu Maps Transducer Pipe Transducer Pipe Lining Fluid ARMA Path Length 248 92 Axial Length 203 2 Traverses 1 Spacing Cancel Figure 20 Signal Path Window The prompts available for the Path option depend on whether you have selected clamp on or wetted transducers in the Transducer menu If the PT878 does not scroll to a particular parameter it is not necessary for that transducer type TransPort PT878 User s Manual 39 Chapter 3 Programming Site Data 3 6 1 Path Parameters for Clamp On Transducers Note For wetted transducers go to page 41 If you are using clamp on transducers the PT878 path menu includes two parameters e Traverses e Spacing 1 The PT878 first prompts for traverses the number of times the ultrasonic signal crosses the pipe see the Liquid Transducer Installation Guide 916 055 for more details a Press ENTER to open the drop down list of traverse numbers b Scroll to the appropriate number c Press ENTER to confirm the entry 2 The next prompt displays the spacing of the transducers as calculated from the information entered a Record this number and
157. n the menu Format allows you to specify the type of notation and the number of decimal places for the measurement in that window Press ENTER and the submenu shows two options Decimal Place and Notation Press the V or A arrow keys to select either entry and press ENTER The screen appears similar to Figure 55 below To scroll to a particular parameter or menu entry press the V or A key Note If the window displays a line or bar graph the Limits option appears instead of Format in the menu Number Format Format Fixed Decimal Decimal Places 2 Cancel Figure 55 Number Format Window 1 The first entry Format asks you to select the numeric format from three choices default fixed decimal and scientific Default provides the default resolution while Fixed Decimal allows users to override the standard resolution Scientific format displays the value in mantissa and exponent format a Press ENTER to open the drop down list of format choices b Scroll to the appropriate selection c Press ENTER to confirm your choice 90 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 1 The Format Option cont 2 The second step asks you to choose the number of decimal places to be displayed Available choices range from 0 to 4 places a Press ENTER to open the drop down list b Scroll to the appropriate number c Press ENTER to confirm your choice e
158. nal It is determined by using the fluid soundspeed and the signal path length to estimate when the signal will arrive at the receiving transducer Reynolds Correction Correction factor based on the Kinematic Viscosity and flow rate of the fluid Signal Inversion Option that enables a thickness gauge user to invert the transducer signal Signal Path Path the ultrasonic signal travels from one transducer to the other Simulate Option in the Service Menu that allows users to simulate measurements based on a waveform stored in the PT878 Site A location on a pipe where measurements are made The site includes the transducers pipe fluid type pipe material and other parameters Site File Instrument program that combines all the necessary parameters transducer pipe fluid etc for a particular measurement location Snapshot Option in the Meter Menu to take screen captures in bitmap format of a given screen display 260 TransPort PT878 User s Manual Appendix F Glossary Soundspeed Speed at which a sound wave travels through a given material Thickness Gauge Option that allows the PT878 with an optional thickness gauge transducer to determine the thickness of most standard metal and plastic pipe materials over a range from 0 05 to 3 in 1 3 to 76 2 mm Tw time in wedge Time the transducer signal spends travelling through the transducer and cable This time has to be subtracte
159. nd Configuring Data 5 5 2 Customizing Softkeys When the screen is in Operate Mode you might wish to access a particular submenu frequently without the trouble of scrolling through menus Customizing the softkeys F1 F2 and F3 allows you to access up to three submenus by pressing the associated softkey You can customize a softkey from the Site Menu or from within a particular menu e To customize a softkey from within the Site Menu 1 From the Site Menu shown in Figure 59 on page 97 use the V or A arrow keys to move to the FKeys entry on the menu Press ENTER The screen now appears similar to Figure 61 below SIN Program Meter Logging Service Manager Signal dB Save Now 1 View 2 Views 3 Views 4 Views Drive Manager Volume l s F1 About Clear F1 E0 No Errors Clear F2 Clear F3 Figure 61 FKeys Menu 2 Use the W or A arrow keys to move to the desired FKey 1 2 or 3 entry on the menu Press ENTER The Configure FKey window opens as shown in Figure 62 on page 100 TransPort PT878 User s Manual 99 Chapter 5 Displaying and Configuring Data 5 5 2 Customizing Softkeys cont Configure FKey Select a menu item Clear Figure 62 Configure FKey Window 3 Press ENTER to open the menu drop down list Then use the V or A arrow keys to scroll to the desired submenu for example Contrast 4 Press ENTER to confirm the entry and
160. nolds Correction you will not be able to enter any other values in this window 2 If you enable Reynolds Correction you will also need to enter the Kinematic Viscosity of the fluid available in the brochure Soundspeeds and Pipe Size Data 914 004 The prompt asks for a kinematic viscosity value a Press ENTER to open the text box b Use the numeric keys to enter the desired value from Soundspeeds and Pipe Size Data c Press ENTER to confirm your selection You have completed entering data for a single Kinematic Viscosity factor Proceed to Entering a Calibration Factor on page 67 e To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key 66 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 11 3 Entering a Calibration Factor The Calibration Factor is used to calibrate or adjust the readings of the PT878 to another flow reference To enter a Calibration Factor return to the Reynolds Correction tab at the top of the Correction Factors option Press the P arrow key to reach the Calibration Factor window The window appears similar to Figure 36 below To step through each parameter press the W key Correction Factors Meter K Factor Data Source Reynolds Correctio exe teo Calibration Factor 8 On O Off K Factor Single O Table
161. nostics Calibrate Signal Setup Error Limits E Min Signal oo Max Signal Sait aout Signal Parameter Peak Detection utpu npu p P A Delta T Offset Method Max Velocity Set Point ow Transmit Peak Threshold Min Actual High Sample Size Min Amplitude 16 Max Max Peak Amplitude Zero Cutoff Transmit Sound Speed i Velocity Averaging Acceleration 7 I I I I 11 Auto El Programming 10 25 50 100 Stat Min Velocity Low Signal Threshold Errors Allowed Transducer Delay Signal Inversion Off Noise Threshold Test Watchdog Impulse Wave Simulate Battery Screen Timer Response Snapshot Test Detection Threshold Direction Downstream Display Velocity T Zero moo Material Percent Gain Material If Other Transmit Stop Exit Block Length Single Dual Set icon Block 1 Length Sound Speed Block 2 Length
162. ntage of entrained gas bubbles The flowmeter provides one linear 0 4 20 mA analog output of flow velocities or volumetric flow rate of these fluids measuring velocities from 0 03 to 12 m sec 0 1 to 40 ft sec along with one selectable frequency output or pulsed totalizer output The PT878 also provides two 4 to 20 mA analog inputs in order to connect temperature transmitters to measure energy flow rate of liquids Energy flow rate may be calculated for water glycol and water glycol mixtures The PT878 has the ability to store site data in files which can be accessed at a later time Within the Main Menu a set of forms windows asks you all the necessary setup information for a particular site Once the necessary questions are answered you simply save the information to a file The PT878 stores these files and other data in non volatile memory which retains the information even if power is off The flowmeter itself runs on rechargeable or alkaline batteries for up to 10 hours This small lightweight flowmeter displays measurements in both numeric and graphical form on a EL backlit 240 x 200 pixel LCD graphic screen The PT878 also has the capability of logging over 100 000 flow data points internally Using the USB communications port the PT878 can transmit logged data as well as real time data and other stored data It is also computer programmable via GE s PanaView software TransPort PT878 User s Manual 1 Chap
163. nu 5 6 6 Listing Files in Chronological Order If you prefer to list your files chronologically by time of creation within the File Manager press MENU to open the File Menu Then press the P arrow key to scroll from the File Menu to the Sort Menu and scroll to the By Date option Press ENTER The Site Manager screen refreshes with the sites listed in chronological order from the most recent to the earliest 108 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 7 Accessing Meter Data The About Option The About option displays useful information concerning the model number and software version of any given PT878 While the window normally appears briefly at startup users might want to access the information for a longer period To open the About window scroll to the About option on the Site Menu and press ENTER The screen appears similar to Figure 68 below To access data on your specific PT878 press F2 Next GE Sensing amp Inspection Technologies PT878 Portable Flowmeter Copyright 2002 General Electric Co All rights reserved This product is protected by copyright law and international treaties Unauthorized distribution decompilation or reverse engineering may result in severe civil and criminal penalties Figure 68 About Window To return to Operate Mode press ESC or F3 Exit TransPort PT878 User s Manual 109 Chapter 5 Displaying and Configuring Dat
164. nual iil Auxiliary Equipment Local Safety Standards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety Working Area WARNING Auxiliary equipment may have both manual A and automatic modes of operation As equipment can move suddenly and without warning do not enter the work cell of this equipment during automatic operation and do not enter the work envelope of this equipment during manual operation If you do serious injury can result WARNING Make sure that power to the auxiliary A equipment is turned OFF and locked out before you perform maintenance procedures on the equipment Qualification of Personnel Make sure that all personnel have manufacturer approved training applicable to the auxiliary equipment Personal Safety Equipment Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment Examples include safety glasses protective headgear safety shoes etc Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment iv TransPort PT878 User s Manual Environmental Compliance Waste Electrical and Electronic Equipment WEEE Directive GE Measurement amp Control is an active participant in Europe s Waste Electrical and Electronic Equipment WEEE take back initiative directive 2012 19 EU
165. o Material Block Length Press Set to Commit Value Calculated 22129 Current 74733 Figure 115 Velocity Window Calculated and Current Values 172 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 4 5 Calculating Velocity Pipe Material Soundspeed cont 7 The Calculated box shows the thickness value measured The PT878 asks for confirmation of the calculated and current values Press ENTER to commit the calculated value or to recalculate the value Note Jf you commit the calculated value the settings in the Material window also change from the previous material to Other with the new soundspeed To leave the Velocity window e Press the lt or P arrow key to move to another tab e Press F2 Cancel to return to Operate Mode without confirming the soundspeed value e Press F3 OK to confirm the new value and return to Operate Mode 8 5 Programming the Thickness Gauge While the T Gauge Display option allows you to program the appropriate material and soundspeed the Thickness Gauge Setup option enables you to view or change five parameters e Low Signal Threshold e Transducer Delay e Signal Inversion e Noise Threshold e Detection Threshold Note The thickness gauge programming settings are entered at the factory You should not change them unless instructed by the factory The Programming window appears si
166. o select the output function from five choices e Off Pulse Totalizer e Frequency e Test Points e Gate Input TransPort PT878 User s Manual 57 Chapter 3 Programming Site Data 3 10 Entering the Digital Output cont a b c Note Press ENTER to open the drop down menu Scroll to the desired function Press ENTER to confirm your selection If you select Off you will not be able to access any other parameters in this option If you select Test Points or Gate Input the program goes at once to Step 4 2 The next prompt asks you to select the data source for the digital output The choices vary with the function For Pulse Totalizer shown in Figure 31 on page 57 the available choices include e Forward Totalizer Reverse Totalizer Forward Energy Reverse Energy Press ENTER to open the data source selection window shown in Figure 30 on page 55 Scroll to the desired source Press SEL to confirm your selection The prompt then moves to a list of unit types The available units depend on the selection made at the Data Source prompt Scroll to the desired output unit Press F3 OK to confirm your selection 3 The last set of parameters that appears depends on the selection you made at the Function prompt If you selected Pulse Totalizer The prompt asks for the units pulse the pulse width in microseconds and the polarity Figure 31 on page 57 illustrates a Digital Out
167. of the graph configuration if you want to use lines plot the average value or show the minimum and maximum values Press the V key to step through each value and press ENTER to add a given detail as part of the graph 9 When you have configured the graph press F3 OK to confirm the graph settings The screen returns to Operate Mode and displays any changes 94 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 4 The Measurement Option On occasion you might need to change the actual parameter measured in a given window The Measurement option enables you to reconfigure the window with one of five categories of data source velocity volume forward or reverse totalizer power energy or diagnostics and appropriate English or metric measurement units To enter the Measurement option 1 Press SEL from the Operate Mode window until you have reached the desired measurement 2 Press ENTER to open the Display Menu 3 Be sure the Measurement option is highlighted and press ENTER 4 A drop down menu entry Change appears Press ENTER again The screen appears similar to Figure 58 on page 96 The left column displays the five measurement data sources while the right column displays English and metric measurement units or with the Diagnostics source shown a list of diagnostics parameters 5 Use the W and A arrow keys to reach the desired data source and press SEL 6 T
168. og Mana get cscct ca i0 ha hind Mie RAG a Ase ee ee esa 155 10 Site Managers oir AA ee Bias e a SAS 86 Sound Speed Limits 0 2 2 0 riso ee ee eee eee ee eee eres 188 Sound Speed Calculating 00 0 e eee eee eee 171 172 Span Full Scale Value for Analog Output 0 0000 56 Special Transducers Entering Data 0 00 0 eee eee 26 Specifications Overall hone os sae osetia tie e tuk bb eens ten ade teen ho ale 213 Pipe Size and Material ieo ine neren an e E EEE eee 217 Thickness Gauge dits ri pe AAEE A GAS Mies eee 218 Transducer 005 08045 ate a op eR ed ape ea ee as al 217 Stopwatch Totalize ssa eeo ta hididan ia cece eee 60 System Description ssi eia aR tebe ek E REFER ES E ARE coh E EES 2 T Task Key 20 A a OG Ae eS 20 N A E o E E E E E 192 Test POMtS 25 bx hose oh e tA is 59 Test Sereen r A A AR 191 Testing Timer Cifcuit e ce e Se eee ee el T O a 193 Theory of Operation A a a A oes A AR E EAS 4 270 TransPort PT878 User s Manual Thickness Calibrating tence icc ng te tae ee tut ce np oe BR Ae eae hers 168 Displaying in Graphical Format 000000020 e ee 166 167 Displaying in Numeric Format 00 0 0 00 ce eee eee 165 Thickness Gauge Calibrating aci dd Sole ie ly 168 Entering Programming Data 0 0 173 Low Signal Threshold o oooocooorccoccoror eee eee 174 SEUD is dss cee A Ss oe RAGS we es 162 sound Speed srn neko a ince ad 171 172
169. ogram Menu Pipe option as described in Chapter 5 Broken cable Flowcell problem Transducer problem Electronic failure Poor flow conditions Incorrect programming Bad transducer spacing Measurement is very different from the programmed soundspeed Check transducer cable See Flowcell Problems on page 206 and Transducer Problems on page 208 Check programming and transducer spacing Contact the factory if problem persists Check soundspeed against nominal soundspeed See Flowcell Problems on page 206 and Transducer Problems on page 208 Check programming and transducer spacing TransPort PT878 User s Manual Chapter 9 Diagnostics and Troubleshooting Table 7 Error Messages cont Velocity Range Velocity exceeds programmed limits Velocity limit is pro grammed using the Service Menu Error Limits option as described in Chap ter 8 Possible Cause Programming error poor flow conditions or bad transducer spacing Make sure flow rate is within 12m s 40 ft s Check programming and transducer spacing If programmed value is outside of limit change the imits as described in Chapter 8 on page 187 See Flowcell Prob ems on page 206 and Trans ducer Problems on page 208 Signal Quality If too high electronic failure If too low flowcell electrical problem Check for source of electrical interference Check electronics with a test flowcell If unit still f
170. om 0 50 to 4 00 MHz Scroll to the desired frequency and press ENTER 4 The next prompt asks for Tw the time delay This parameter is actually the time the transducer signal spends travelling through the transducer and cable The PT878 calculates the flow rate from the upstream and downstream transit times in the fluid so the Tw time delay must be subtracted out for an accurate measurement The factory supplies the time delay on a sheet of paper inside the transducer case a From the Frequency prompt press the P gt key to reach the Tw prompt and press ENTER b Use the numeric keys to enter the GE supplied time delay and press ENTER The program now varies depending on whether you have selected a wetted or a clamp on transducer e If you have selected a special wetted transducer proceed to Confirming Entries on page 30 e Special clamp on transducers require three more inputs wedge angle wedge temperature and wedge soundspeed 5 When calculating the flow rate the PT878 must take into account the wedge angle the angle of the ultrasonic transmission a From the Tw prompt press the V key to reach the Wedge Angle prompt and press ENTER b Use the numeric keys to enter the factory supplied wedge angle in degrees and press ENTER 26 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 2 1 Parameters for Special Transducers cont Note Ifthe error message in Figure 12 below
171. on You have completed entering the Transmit Code To leave this window e Press the A key to return to the Pulse Code tab and the d arrow key to move to the Signal Parameter tab e Press F2 Cancel to return to Operate Mode without confirming the changes e Press F3 OK to confirm the new data and return to Operate Mode 186 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 9 Setting Error Limits The Error Limits option enables you to set limits for an incoming signal When the signal falls outside the programmed limits an error indication appears To enter this option scroll to the Error Limits entry on the Service Menu and press ENTER The screen appears similar to Figure 123 below Signal Error Limits Signal Velocity Amplitude Sound Speed Acceleration Cancel Figure 123 Signal Error Limits Option 1 The first prompt asks for the minimum and maximum limits for the transducer signal received by the PT878 The default values are 40 for minimum and 85 for maximum The E1 LOW SIGNAL error message appears if the signal strength falls below the limit programmed here To enter the minimum signal a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry TransPort PT878 User s Manual 187 Chapter 8 Servicing the PT878 8 9 Setting Error Limits
172. on In many organic materials such as low density plastics and rubber sound is attenuated very rapidly at the frequencies used in normal ultrasonic thickness gaging Therefore the maximum thickness that can be measured in these materials is often limited by sound attenuation TransPort PT878 User s Manual 253 Appendix D Ultrasonic Thickness Gauge Theory of Operation no content intended for this page proceed to next page 254 TransPort Model PT878 User s Manual Appendix E Material Safety Data Sheet for Couplant Appendix E Material Safety Data Sheet for Couplant To comply with 29 CFR 1910 1200 Effective Date 4 1 98 Note N A not applicable or not available E 1 Product Identification Product Name SOUNDSAFE Generic Name Ultrasonic Couplant Manufacturer Sonotech Inc 774 Marine Dr Bellingham WA 98225 360 671 9121 FAX 360 671 9024 E mail sonotech nas com http www sonotech inc com NFPA Hazardous Materials Identification System est Health smeda i e 0 Flammability 0 Reactivity seissen 0 E 2 Hazardous Ingredients This material does not contain any ingredients having known health hazards in concentrations greater than 1 This material does not contain any known or suspected carcinogens TransPort PT878 User s Manual 253 Appendix E Material Safety Data Sheet for Couplant E 3 Physical Data nominal Boiling Point gt 220 F Freezing Point lt 20 F
173. or A arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press The W key to step through the available parameters The A key to scroll back to a previously entered parameter e The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without changing the parameters 112 TransPort PT878 User s Manual Chapter 6 Programming Meter Settings 6 2 Selecting Measurement Units The first option Units enables you to select either English or Metric units as global measurement units for the PT878 The selected units then become the default settings for every measurement that has the option for metric English units To select the units scroll to the Units entry on the Meter menu and press ENTER The Meter Settings window opens as shown in Figure 77 below Meter Settings Units e English C Metric Date 2000 11 1 Time 10 08 53 Figure 77 Meter Settings Window 1 Use the lt lt and P keys to scroll between English and Metric units 2 Press ENTER to confirm the choice TransPort PT878 User s Manual 113 Chapter 6 Programming Meter Settings 6 3 The Battery Charger The Battery option allows you to monitor the current run time and status of the internal rechargeable batteries as well as to condition NiCad batteries to maintain the maximum life possible
174. or 4 mA and then calibrating the full scale point 20 mA You enter first the setpoint and then the actual value derived from an ammeter or digital voltmeter The analog outputs have a resolution of 5 0 u A Press the V arrow key to enter the Analog Output window TransPort PT878 User s Manual 177 Chapter 8 Servicing the PT878 8 7 1 Calibrating the Analog Output cont 1 2 Connect the digital multimeter to the analog output The next prompt asks for the setpoint 4 or 20 mA Use the lt d and gt arrow keys to move to the appropriate radio button and press ENTER The next prompt asks you to enter the actual value shown on the multimeter or ammeter a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your entry Repeat steps 2 and 3 for the other setpoint Press the V arrow key to move to the Calibrate box and then press ENTER to calibrate the output If you are unsatisfied with the calibration you can reset the inputs to factory defaults Press the P arrow key to move to the Reset box and then press ENTER to undo the calibration You have completed calibrating the outputs To leave the Output window 178 Press the A key to return to the Output tab and the gt arrow key to move to the Input tab Press F2 Cancel to return to Operate Mode without confirming the changes Press F3 OK to confirm the
175. or one similar to Figure 13 on page 28 appears the Pipe Soundspeed Wedge Soundspeed and or the Wedge Angle may be in error Review the pipe and wedge parameters currently entered and change one or more as necessary Note To change pipe information see Entering Pipe Parameters on page 30 WARNING Critical Angle Exceeded Figure 12 High Angle Error Message Window TransPort PT878 User s Manual 27 Chapter 3 Programming Site Data 3 2 1 Parameters for Special Transducers cont d 0 gt ele eva Invalid Value Too Low 15 is Too Low The valid range is from 25 000 to 90 000 Figure 13 Low Angle Error Message Window Note When the corrected information is entered a message similar to Figure 14 appears Press F3 OK 28 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 2 1 Parameters for Special Transducers cont a Q ele WARNING Transducer Spacing has changed New Spacing 0 964 inches 24 493 mm Figure 14 Transducer Spacing Change Window 6 The PT878 must also take into account the wedge temperature a From the Wedge Angle prompt press the V key to reach the Wedge Temperature prompt and press ENTER b Use the numeric keys to enter the wedge temperature in degrees F or C and press ENTER 7 Finally the PT878 requires the we
176. ory A fixed amount of memory is assigned to data logging The frequency of the time interval the length of the log run and the number of logs affect the amount of memory required for a particular log For example a log that records every 5 seconds will use up more memory than a log that records every 5 minutes for a given amount of time Once you make your data logging selections the PT878 enables you to view the amount of memory left You may also stop logging or view logged data while or after data is logged This section describes e How to enter the Logging Menu e How to set up a new log e How to view the data logger memory e How to start stop or pause logging TransPort PT878 User s Manual 131 Chapter 7 Logging Data 7 1 Entering the Logging Menu To enter the Logging Menu press the MENU key at the lower right of the PT878 keypad The Main Menu replaces the Status Bar at the top of the screen Press the P arrow key three times to scroll from the Site Menu to the Logging Menu At the Logging Menu press ENTER The screen appears similar to Figure 88 below Refer to Figure 141 on page 224 of Appendix A Menu Maps Site Program Meter Mefefelfate Velocity ft s Manager N E0 No Errors Figure 88 Logging Menu To scroll to a particular option press the V or A arrow keys until you reach the option Then press ENTER to open the option window When entering parameters in an option press
177. our entry 6 Press the P gt arrow key to move to the Read box and then press ENTER to read the high input 7 Press the V key to move to the Calibrate box and press ENTER to calibrate the inputs 8 At this point you have two options a If you are unsatisfied with the calibration you can reset the inputs to factory defaults Press the arrow key to move to the Reset box and then press ENTER to undo the calibration b If you are satisfied with the calibration press the V key to return to the Input prompt and repeat steps 2 through 8 for the other input You have completed calibrating the inputs To leave the Inputs window e Press the A key to return to the Inputs tab and the lt 4 arrow key to move to the Outputs tab e Press F2 Cancel to return to Operate Mode without confirming the changes Press F3 OK to confirm the new data The PT878 returns to Operate Mode 180 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 8 Setting up Signal Parameters The Signal Setup option enables you to set parameters that affect the transducer signal Delta T Offset e Transmit Sample Size e Zero Cutoff e Velocity Averaging e Errors Allowed e Peak Detection Method e Peak Thresholds e Transmit Code To enter the option scroll to the Signal Setup entry on the Service Menu and press ENTER The screen appears similar to Figure 120 below Signal Setup Signal Para
178. press F3 OK to confirm the entry and close the window Press F2 Cancel to close the window without changing the key The screen now appears similar to Figure 63 on page 101 with the F1 window displaying Contrast Pressing F1 opens the Contrast window e To customize a softkey from a particular menu 1 Open the desired menu on the Menu Bar see Chapters 3 4 6 7 and 8 for details on particular menus and scroll to the desired option 2 Press the desired softkey A window appears with the question Assign current menu command to FKeyX 3 Press F3 Yes to confirm the assignment and close the window Press F2 No to close the window without changing the key 100 TransPort PT878 User s Manual Chapter 5 Displaying and Configuring Data 5 5 2 Customizing Softkeys cont ABC SIT 2000 11 30 09 53 AM T Velocity m s Gain dB 1 5121 3 Delta T ns Volume I s 1 65 E2 Soundspeed Figure 63 Display Screen with Modified Softkey e To clear a softkey 1 From the Site Menu shown in Figure 59 on page 97 use the V or A arrow keys to move to the FKeys entry on the menu Press ENTER The screen now appears similar to Figure 61 on page 99 2 Use the V or A arrow keys to move to the desired Clear FKey 1 2 or 3 entry on the menu Press ENTER The softkey window clears You can also clear the softkey through the Configure FKey window by selecting Cle
179. put window configured for the Pulse Totalizer function For the Units Pulse and Pulse Width parameters 58 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 10 Entering the Digital Output cont a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection For Polarity a Press ENTER to open the drop down menu b Scroll to the desired polarity either Low to High or High to Low c Press ENTER to confirm your selection If you selected Frequency The prompt asks for the minimum and maximum frequencies and the duty cycle percentage For each parameter a Press ENTER to open the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm your selection If you entered Test Points The prompt asks for the window trigger type from two choices transmit and receive These two windows can be used to trigger an oscilloscope to look at the receive signal output on another channel a Press ENTER to open the drop down menu b Scroll to the desired signal c Press ENTER to confirm your selection TransPort PT878 User s Manual 59 Chapter 3 Programming Site Data 3 10 Entering the Digital Output cont If you entered Gate Input Note Gate Input is used to synchronize the totalizer with the meter calibration system discussed on page 67 The gate stops and starts the meter
180. r reliable measurements 4 THE FLUID SOUNDSPEED MUST NOT VARY EXCESSIVELY The TransPort will tolerate relatively wide but slow changes in fluid soundspeed due to changes in fluid composition and temperature However if you are measuring a fluid that is considerably different from the fluid programmed into the TransPort you may have to adjust the meter for the new fluid Refer to Chapter 3 Programming Site Data on page 37 206 TransPort PT878 User s Manual Chapter 9 Diagnostics and Troubleshooting 9 3 2 Pipe Problems Improper pipe conditions and or flowcell installation can cause problems with fluid flow measurement Check the items below if you suspect this class of problem Contact the factory for unsolved pipe related problems 1 THE INSIDE OF THE PIPE OR FLOWCELL MUST BE RELATIVELY CLEAN Excessive build up of scale rust or debris will interfere with flow measurement Generally a thin coating or a solid well adhered buildup on the pipe wall will not cause problems Loose scale and thick coatings such as tar or oil will interfere with ultrasound transmission and may result in incorrect or unreliable measurements 2 THE FLOWCELL ORIENTATION MUST NOT ALLOW SEDIMENT OR GAS ENTRAPMENT AT THE TRANSDUCER LOCATIONS Sediment or gas trapped in the transducer ports for wetted transducers or at the transducer locations for clamp on transducers will interfere with flow measurement Realignment of the flowcell or transducers o
181. ransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 10 1 Testing the Screen To test the proper functioning of the PT878 screen scroll to the Test Screen option in the Test Menu and press ENTER The screen then shows the message Press Any Key To Continue Once you press a key a screen with a checkerboard pattern appears as shown in Figure 125 below Press Any Key To Continue Figure 125 Functioning Test Screen Pressing a key two more times should result in two more checkerboard patterns followed by a series of dark and light screens Pressing the key through this sequence should return the PT878 to Operate Mode If the test does not proceed according to this sequence please consult the factory TransPort PT878 User s Manual 191 Chapter 8 Servicing the PT878 8 10 2 Testing the Keys The Test Keys option checks the functioning of the various keys on the keypad To start the test scroll to the Test Keys option on the Test Menu and press ENTER The screen appears similar to Figure 126 below Press any key on the keypad and a window representing that key should darken Figure 126 Test Keys Window Pressing the F3 key returns the meter to the Operate Mode If any key does not appear on the screen contact the factory Note The power key does not appear 192 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 10 3 Testing the Watchdog Timer Circuit The PT878 includ
182. raph POMAR Bk ack Fo a Ada 151 152 153 In Spreadsheet Format 0 0 0 eee eee eee eee 154 ROA IRA AA Bd Sony EA ERA A 141 Restarting ii dada A AR AA id 147 SIOPDM sir o Shee tpn E 147 Stopping All Wi A a da 148 Transferring to PE ot art ti Ls su elie de ade She 143 Los Manager eiii pernp pot di ab 133 L g Men iia ia rd rs 146 Sor Men Wh dl 155 Logging Menu Map 0 0c eee cece ee een een nens 224 Logging Menu Entering 0 0 2 eee eee eee 132 Low Signal Threshold 02 cece cece eee eee eee eee eres 174 M Main Menu Menu Map 0 0 ee eee cee eee eee 219 Material in Thickness Gauge Setup Option 0004 163 Measurement OPON iii iii dade bt eda eee 95 96 Parameters Changing 0 0 0 cece ee eee eee 95 96 Units Selecting renra ee A E es 113 Messa SCS ire toe uae ib NN 202 Meter Menu Entering aie taenn SA LE lhe bene eons a 112 Ment Map varita tance di teeta A ean RI 223 Meter Settings Window 0 0 eee eee eee eee ee 113 Metric Units id he eek a ies Sie ees Se dr ee RA 113 Microcomputer eiii Rosana es Sede ed 3 Model Number ssec a i a a oa 109 N Node ID for Communications 0 0 00 re 124 TransPort PT878 User s Manual 267 Noise Threshold 1 os 175 NUMETIC KEYS eeann a ties es 20 O On Eme Help E A EA a EIA Oe 22 Output Analog Entering copii A A a ears 54 Digital EOS coi Sd IEA RN ARE 57 Outputs Analogs Otti re ei 7 P
183. returns the meter to the Energy prompt and then to the Energy Option tab To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode TransPort PT878 User s Manual 43 Chapter 3 Programming Site Data 3 7 1 Entering Inputs in the Energy Option To enter input parameters in the Energy Option return to the Energy Option tab at the top of the Energy Option window Press the gt arrow key to reach the Inputs window and press ENTER The screen appears similar to Figure 22 below To step through each parameter press the W key Important The supply and return must be on separate inputs Energy Options Energy Option MEA Custom Cp Supply O Fixed 0 Active Temp Input A T Return e Fixed O Active Cancel Figure 22 Inputs Tab in the Energy Option 1 The first prompt asks 1f the temperature supply is fixed or active a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection 44 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 7 1 Entering Inputs in the Energy Option cont 2 The next prompt depends on whether you have selected a fixed or an active supply If you have selected a
184. rical energy when in a receive cycle In other words they act like loudspeakers when transmitting the signal and microphones when receiving it In the PT878 system each transducer acts as both a receiver and transmitter since a series of ultrasonic pulses are alternately sent upstream and then downstream through the flowcell 2 TransPort PT878 User s Manual Chapter 1 Features and Capabilities 1 2 2 Electronics Package The PT878 consists of circuits that generate receive and measure the travel time of the ultrasonic pulses It also contains a microcomputer that controls operation and calculates flow measurement parameters Specific circuits function as follows e TRANSMIT SIGNAL GENERATOR The transmit signal generator under control of the microcomputer and timing circuit synthesizes the signal that drives the transmitter e TRANSMITTER The transmitter amplifies the signals from the transmit signal generator to a signal that drives the transmit transducer e RECEIVER The receiver amplifies the received signals to a level suitable for the data acquisition circuitry e DATA ACQUISITION The data acquisition circuitry digitizes the received signal and stores it in a buffer for processing by the microcomputer e TIMING CIRCUIT The timing circuit generates the transmitter frequency receive window controls the data acquisition circuit and the direction of the transmission e MICROCOMPUTER The microcomputer controls
185. rors Figure 6 Screen After Powering ON 16 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 3 Powering ON and OFF cont To turn the PT878 off press the red key for 3 seconds The screen now appears similar to Figure 7 below SHUTDOWN Meter OFF SLEEP Meter Idle CANCEL Resume Operations Figure 7 Shutdown Menu Three options are available e Press F1 to shut down the PT878 turning it completely off e Press F2 to send the PT878 into sleep mode In this mode some of the power supplies shut down but the PT878 remains in a standby mode Users can resume taking measurements immediately by pressing the power button e Press F3 to cancel the command and return the PT878 to normal operation If the PT878 locks up you can reset it by holding the power key the red key in the upper right corner for 15 seconds TransPort PT878 User s Manual 17 Chapter 2 Initial Setup 2 4 Using the Screen and Keypad The essential features for operating the PT878 are the screen and keypad Although these features are common on portable instruments the PT878 design offers particular features to simplify and speed operation 2 4 1 Screen The primary function of the screen is to display information in order for you to accurately and easily take measurements The PT878 screen consists of seven parts see Figure 8 below Status Bar Battery Current Site alternates with Menu Bar Status Ser 200
186. s F1 Delete to remove any mistaken or unwanted symbols or numbers Pressing SEL causes the screen to alternate between a set of symbols and functions and a list of user functions Use both screens to create the desired function TransPort PT878 User s Manual 63 Chapter 3 Programming Site Data 3 11 Entering User Functions cont 64 Figure 34 Function Creation Window c To enter a particular measured parameter into the equation click on the MODE symbol in the middle of the third row The Data Source Selection window shown in Figure 30 on page 55 opens Select the desired data source and unit as discussed on page 55 and press F3 OK to confirm the entry d When you have completed entering the function press F3 OK to confirm the entry and return to the User Function window GE recommends pressing F2 Check to test the validity of the function The PT878 displays either OK or a message such as Syntax Error e Press F1 to delete the entire function or e Press F3 Done to confirm the function and return to Operate Mode TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 11 1 Entering Correction Factors The final option in the Program Menu Correction Factors allows you to enter and modify three correction factors Reynolds Correction Kinematic Viscosity and Calibration Factor To enter the Correction Factors opt
187. s to open the site If you have changed the current site the PT878 asks if you want to save the changes to the previously opened site e Press F2 No to cancel the changes or e Press F3 Yes to confirm and save the changes The PT878 returns to Operate Mode with the selected site displayed in the upper left corner of the screen 76 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 3 Saving a Site You can save the current site in one of two ways e From the Site Menu you can scroll down to the Save Now option and press ENTER or From within the Site Manager press MENU to open the File Menu scroll to the Save option and press ENTER In either case the screen appears similar to Figure 44 below Save Site Save the current site DEFAULT SIT Figure 44 Save Current Site Window e Press F2 No to cancel saving the site or e Press F3 Yes to save the site The PT878 remains in the current window Operate Mode or Site Manager with the current site saved TransPort PT878 User s Manual 77 Chapter 4 Creating and Managing Sites 4 1 4 Saving a Site with a Different Name If you want to save the current site with a different name open the Site Manager press MENU to open the File Menu scroll to the Save As option and press ENTER The screen appears similar to Figure 45 below Save Current Site
188. s declaration relates arein conformity with the following standard e EN 61326 1 2006 Class A Table A 1 Portable Equipment following the provisions of the 2004 108 EC EMC Directive The units listed above and any ancillary equipment supplied with them do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN lt 25 Billerica August 23 2010 Aey Issued Mr Gary Kozinski Certification amp Standards Lead Engineer CE Customer Support Centers U S A The Boston Center 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll free 978 437 1000 E mail sensing ge com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland Tel 35 361 470200 E mail gesensingsnnservices ge com An ISO 9001 2008 Certified Company www ge mcs com en about us quality html www ge mcs com 2015 General Electric Company All rights reserved Technical content subject to change without notice 910 219G
189. s through thin layers of rust as long as the rust is smooth and well bonded to the metal below Some very rough cast or corroded surfaces may have to be filed or sanded smooth in order to insure proper sound coupling It may also be necessary to remove paint if it has been applied in thick coats or if it is flaking off the metal While it is often possible to make corrosion measurements through thin coats of paint on the order of a few thousandths of an inch or 0 1 0 2 mm thick paint will attenuate signals or possibly create false echoes causing inaccurate measurements Severe pitting on the outside surface of a pipe or tank can be a problem On some rough surfaces the use of a gel or grease rather than a liquid couplant will help transmit sound energy into the test piece In extreme cases it will be necessary to file or grind the surface sufficiently flat to permit contact with the face of the transducer In applications where deep pitting occurs on the outside of a pipe or tank it is usually necessary to measure remaining metal thickness from the base of the pits to the inside wall There are sophisticated ultrasonic techniques utilizing focussed immersion transducers that can measure directly from the base of the pit to the inside wall but this is generally not practical for field work The conventional technique is to measure unpitted metal thickness ultrasonically measure pit depth mechanically and subtract the pit depth from the measure
190. sed in the State line 7 4 2 Restarting a Log To restart a paused log 1 First select the log you wish to restart in the Log Manager shown in Figure 89 on page 133 2 Then open the Log Menu scroll to the Start option and press ENTER The PT878 returns to the Log Manager which displays the highlighted log with a status of Pending or Running 7 4 3 Ending a Log To end a log 1 First select the log you wish to end in the Log Manager shown in Figure 89 on page 133 2 Then open the Log Menu scroll to the End option and press ENTER The PT878 returns to the Log Manager which displays the highlighted log with a status of Finished The space not used by the finished log is freed for reuse Note You cannot restart a finished log You must create a new log with the same parameters TransPort PT878 User s Manual 147 Chapter 7 Logging Data 7 4 4 Stopping All Logs To stop all log that are currently pending or running open the Log Menu scroll to the Pause All Logs option and press ENTER The PT878 returns to the Log Manager which displays all log programmed to run now or in the future with a status of Paused 7 4 5 Restarting All Logs To restart all paused logs open the Log Menu scroll to the Start All Logs option and press ENTER The PT878 returns to the Log Manager which displays the logs with a status of Pending or Running 7 4 6 Ending All Logs To en
191. sfer a PT878 site file to a PC as a file complete the following steps 1 Connect the PT878 USB port to any USB port on the PC page 9 2 Start HyperTerminal and set up the communication link to match the PT878 Com port settings 3 From the PT878 select Site Site Manager and then select the site file you want to transfer to the PC COMS Properties Port Settings Figure 51 COM Properties 84 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 9c Transfer a Site File as a File from the PT878 to a PC cont To save the site file as a file using HyperTerminal complete the following steps 1 Select the Transfer Receive File option 2 Select the location of the file and the XModem receiving protocol 3 Click the Receive option and enter the Filename 4 From PT878 Site Manager select the Site Transfer option This will allow the PT878 to send the site file to a PC using the secure XModem protocol File transfer is complete when the XModem Receive dialog box closes 4 1 9d Transfer a Site File as a File from a PC to the PT878 To transfer a site file from a PC to the PT878 as a file complete the following steps 1 2 Connect the PT878 USB port to any USB port on the PC page 9 Start HyperTerminal and set up the communication link to match the PT878 Com port settings From the PT878 select Site Site Manager and then select Site Transfer from the PC Type in the name of the sit
192. ss F2 Cancel or F3 OK to return to Operate Mode or press the gt arrow key to move to another window in the option TransPort PT878 User s Manual 165 Chapter 8 Servicing the PT878 8 4 3 Displaying the Receive Signal in Graphical Format Used chiefly for diagnostic purposes the Graph option helps to determine why the thickness gauge is not working if you suspect a problem The graph shows an image of the acoustic signal If the display does not show a signal image similar to Figure 111 below you may have a problem with the transducer couplant or the programmed values Also some materials such as PTFE or fiberglass do not support acoustic signals To open the Graph window and display the receive signal graphically press the lt 4 or P gt arrow key until you reach the Graph tab and press ENTER The screen appears similar to Figure 111 below Thickness Gauge Measure Display Meier la Velocity Zero Material Figure 111 Thickness Gauge Graph Window Press F2 Cancel or F3 OK to return to Operate Mode or press the P arrow key to move to another window in the option However if you wish to adjust the graph press the V key The screen now appears similar to Figure 112 on page 167 166 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 4 3 Displaying the Receive Signal in Graphical Format cont Thickness Gauge Measure Display Graph Velocity
193. stics option enables you to view current diagnostic parameters without having to open a display window in Operate Mode To enter the option scroll to the Diagnostics entry on the Service Menu and press ENTER The screen appears similar to Figure 117 below Diagnostic Tests eter ErrorOx0000 Up Down T 430 67 430 67 Pit 493 493 Sig Quality 5257 4952 Amplitude 20 4 228 8 Gain 6 5 7 0 Count 919 597 Signal 65 5 65 5 Soundspeed mz 1503 9 Reynolds s500 kRe 0 7704 Delta T 0 69 m s 0 03 Cancel Figure 117 Diagnostics Window Press F2 Cancel or F3 OK to close the window and return to Operate Mode Note For an explanation of diagnostic parameters refer to Chapter 9 Diagnostics and Troubleshooting 176 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 7 Calibrating the Analog Output and Inputs The Calibration option allows you to calibrate the analog output and inputs To enter the option scroll to the Calibrate entry on the Service Menu and press ENTER The screen appears similar to Figure 118 below Calibrate Test I O IO MT Analog Input Setpoint O 4mA 20mA Actual 4mA 4 Actual 20 mA 20 Calibrate Reset Cancel Figure 118 Outputs Window in the Calibration Option 8 7 1 Calibrating the Analog Output The calibration procedure consists of calibrating the analog output zero point 0
194. ter 1 Features and Capabilities 1 1 Overview cont To assist you the PT878 is fully equipped with context sensitive on line help which is accessible at any time by simply pressing the Help key Internal diagnostic and troubleshooting features help isolate and remedy common flowcell and transducer problems The PT878 operates with all standard GE transducers wetted clamp on hybrids Pan Adapta plug and buffered styles A built in ultrasonic thickness gauge capability measures the pipe wall thickness when used with the optional thickness transducer 1 2 System Description The PT878 is one part of the flowmeter system The flowmeter system consists of two essential subsystems the flowcell and the electronics package the PT878 1 2 1 The Flowcell The flowcell is that part of the system that uses ultrasonic pulses to interrogate the flow It consists of the flowcell pipe and the transducers A FLOWCELL PIPE The flowcell can either be created in the existing piping for example by inserting wetted transducers into the pipe or clamping non wetted transducers onto the pipe or inserted as a substitute pipe section spoolpiece The flowcell must provide mechanical support for the transducers and assure stable fluid conditions for accurate flow measurement B TRANSDUCERS The transducers convert electrical energy into ultrasonic pulses when in a transmit cycle and convert the ultrasonic pulses back to elect
195. ter Installation C 2 2 Mounting the RTD to the Pipe Use the steps below to fasten the RTD to the pipe 1 Prepare the pipe where you intend to place the RTD The area should be clean and free of loose material 2 Apply couplant GE part number 401 001 to the copper face of the RTD Use enough couplant to cover the face of the RTD but not so much that the couplant oozes out from underneath 3 Position the RTD on the pipe and wrap the clamping fixture around the pipe 4 To secure the RTD you place the feeder buckle into the screw buckle and use a screwdriver to tighten Turn the screw clockwise until the strap is set securely against the RTD Proceed to the following section to make electrical connections C 3 Making Electrical Connections The PT878 will not accept a signal directly from the RTD therefore you must have some type of 4 to 20 mA transmitter The factory supplies a dual transmitter DTR with a special LEMO connector that attaches to the PT878 The PT878 supplies power to the DTR using an internal 16 V supply If you decide to supply your own transmitter you can use the 16 V supply to power your transmitter however you will need to order the special LEMO connector cable to connect your transmitter to the PT878 To make electrical connections you must connect the RTD sensor to the 4 to 20 mA transmitter and then connect the DTR to the PT878 Use the following sections to make electrical connections TransPort
196. ter to transmit upstream or downstream a Press ENTER to open the drop down list b Use the V or A arrow keys to scroll to the desired number c Press ENTER to confirm your selection 194 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 10 4 Setting Impulse Response cont 2 The second prompt asks for the percent of gain a Press ENTER to open the text box b Use the numeric keys to enter the desired percentage c Press ENTER to confirm your entry You have completed entering data for the Impulse Response option e Press F1 to start transmitting in the chosen direction e Press F2 to stop transmitting e Press F3 to leave the option and return to Operate Mode 8 10 5 Taking Wave Samples for Diagnosis The Wave Snapshot option allows you to capture receive signals to a file that you can send to a PC for diagnostic purposes To use this option scroll down to the Wave Snapshot entry in the Service Menu and press ENTER The PT878 then captures three pairs of upstream and downstream raw signals to a file named Wave01 met If you repeat the captures the successive files will be named Wave02 met Wave03 met etc You can then transfer the files over the IR port to a PC for analysis by a service engineer Note Refer to page 104 for information on transferring a file to a PC TransPort PT878 User s Manual 195 Chapter 8 Servicing the PT878 8 10 6 Transferring a Wave Snapshot
197. tered in the Zero window This step requires a trustworthy reference either a section of pipe such as a flange or open pipe section that can be measured with calipers or another measurement device or a thickness calibration block from the same pipe material 162 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 4 Measuring Pipe Wall Thickness 8 4 1 Entering the Material and Soundspeed Important The factory recommends calibrating the thickness gauge periodically as discussed on page 168 before measuring thickness To enter the Thickness Gauge Display option scroll to the T Gauge Display entry on the Service Menu and press ENTER The screen appears similar to Figure 109 below Thickness Gauge Measure Display Graph Velocity Zero Material Other Sound Speed Cancel Figure 109 Material Window 1 From the Thickness Gauge Display option press the arrow key four times to enter the Material window 2 The first prompt asks you to select the material for the pipe wall you wish to measure from a drop down list a Press ENTER to open the list b Use the V or A arrow keys to scroll to the desired material c Press ENTER to confirm your selection TransPort PT878 User s Manual 163 Chapter 8 Servicing the PT878 8 4 1 Entering the Material and Soundspeed cont If you have selected a preprogrammed material you have completed
198. terface Make all connections to the top of the PT878 unit as shown in Figure 2 below Please note that you need to make the proper power and transducer connections only The other connections are required for particular functions but are not necessary for basic operation Note For a listing of Input Output connections see Table 1 on page Transducer Input Output Upstream Downstream USB Port Power Figure 2 Connection Locations 6 TransPort PT878 User s Manual Chapter 2 Initial Setup 2 1 1 Power Connections The PT878 is powered by either a 100 120 200 260 VAC wall mount plug in module or by 5 internal C size NiCad high energy rechargeable batteries or by a pack of 3 0 Ahr NiMH batteries An optional power supplement part 703 1283 uses 6 AA alkaline batteries When you receive the PT878 the batteries are not charged therefore to make remote measurements using the batteries follow the instructions on page 12 to charge the batteries In either case you must connect the power cord to the appropriate terminal as shown in Figure 2 on page 6 WARNING To ensure the safe operation of the PT878 you A must install and operate it as described in this manual In addition be sure to follow all applicable safety codes and regulations for installing electrical equipment in your area The PT878 and its transducers are designed for use only in general purpose locations 2 1 2 Transducer Connections The transdu
199. the discharge cycle press the ENTER key and the Condition Battery window reappears The status now changes to On Charger 4 Press F3 OK to return to Operate Mode 198 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 11 Resetting to Factory Default Parameters For various reasons you might wish to return the PT878 to its original settings The Factory Defaults option enables you to return the meter to its preprogrammed default settings To enter the option scroll down to the Factory Defaults entry in the Service Menu and press ENTER The screen will appear similar to Figure 131 below Note All sites and logs will be lost if you use the Factory Defaults option Be sure to transfer all sites and logs before resetting Factory Defaults WARNING You will LOSE all changes by pressing OK Choose CANCEL to exit or OK to proceed Cancel Figure 131 Factory Defaults Option 1 To restore Factory Default settings e Press F2 Cancel to return to Operate Mode without changing the current settings e Press F3 OK to confirm that you wish to restore the factory default settings 2 The program asks for confirmation Are you SURE Repeat the procedure shown in Step 1 above The PT878 replaces the default site file and the global meter settings with the factory default settings and returns to Operate Mode TransPort PT878 User s Manual 199 Chapter 8 Servi
200. the option window When entering parameters in an option press The VW key to step through the available parameters e The A key to scroll back to a previously entered parameter e The F2 key Cancel or the ESC key to exit an option at any time and return to Operate Mode without changing the parameters Note Jf you enter an incorrect numeric value press the lt key to erase the last digit entered 22 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 2 Entering Transducer Parameters To enter the Transducer option scroll to the Transducer entry on the Program Menu and press ENTER The screen appears similar to Figure 10 below To step through each parameter press the V key Refer to Figure 143 on page 227 of Appendix A Note Refer to the Liquid Transducer Installation Guide 916 055 for additional information about transducers and configurations Frequency Transducer Pipe CISMA Pipe Lining Fluid Path Type Wetted Transducer 2 00 Wedge Ang 50 Wedge Tmp 25 Wedge SS 1219 2 O Clamp on Special MHz Tw Cancel Figure 10 Transducer Option Window 1 The first prompt asks you to select whether you are using a wetted or a clamp on transducer a Use the lt and P keys to scroll between the two types b Press ENTER to confirm the choice TransPort PT8
201. ther windows press the 4 or gt key Your changes will remain until you select OK or Cancel from one of the tabbed windows in the Transducer Pipe form 36 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 5 Entering Fluid Types and Speeds To access the Fluid option scroll to the Fluid entry on the Program Menu and press ENTER If you are already in the Transducer Pipe form press the P arrow key to reach the Fluid window and press ENTER The screen appears similar to Figure 19 below To step through each parameter press the W key Refer to Figure 145 on page 229 of Appendix A Menu Maps Transducer Pipe Transducer Pipe Lining MS Tracking Windows No Yes Fluid Water 2C Sound Speed 1496 Speed Min 1350 Speed Max 1650 Temp 77 F Glycol 10 Figure 19 Fluid Type Window 1 The first prompt asks you to select whether or not you want Tracking Windows These windows are used to detect the receive signal when you are unsure of the fluid soundspeed Default operation is No a Use the 4 and P keys to scroll to the appropriate radio button b Press ENTER to confirm your selection TransPort PT878 User s Manual 37 Chapter 3 Programming Site Data 3 5 Entering Fluid Types and Speeds cont 2 Next you must select the fluid type a Press ENTER to open the drop down menu Table 6 b
202. ting system recognizes the USB device in the PT878 This is done by connecting the PT878 to the PC witha USB cable and verifying that the PC operating system loads the correct drivers for the PT878 USB interface device USB Cable The recommended USB cable for use between the PT878 and a PC is a USB A male to mini USB B male cable such as GE p n 238 407 LF or equivalent TransPort PT878 User s Manual 9 Chapter 2 Initial Setup USB Drivers To set up the USB drivers in Microsoft Windows complete the following steps 1 Power on PT878 2 Plug the mini B USB male connector into the PT878 USB port 3 Plug the USB A male connector into any USB port on the PC 4 Verify that Windows automatically loads the driver for the FTDI chip in the PT878 5 Open the Control Panel gt gt Device Manager window and then select Ports see Figure 3 below Verify that the PT878 USB port is installed Figure 3 Device Manager Window Note Ifthe USB port is not automatically installed the driver may be installed manually from the FTDI website Install the drivers for the FT230XS UART from http www ftdichip com Note For operation with the GE PanaView software set the Com Port between COM and COM 9 Open the USB serial port settings window see Figure 2 below and match those listed in the PT878 Meter Communications window at the PT878 UI Note that the COM port settings may vary with theP C configuration 10 TransPort P
203. tion does not supply the path or axial lengths refer to Appendix B Measuring P and L Dimensions to measure these lengths The next prompt asks for the axial dimension L of the ultrasonic signal Again GE has calculated the axial dimension based on the transducer configuration for your particular application Find the axial dimension on the flowcell or from other supplied documentation a Press ENTER to enter the text box b Use the numeric keys to enter the appropriate number c Press ENTER to confirm the entry After you enter the axial length press the A key to return to the main Path tab at the top of the screen To confirm the entries and return to Operate Mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode To scroll to other windows press the lt 4 or P key TransPort PT878 User s Manual 41 Chapter 3 Programming Site Data 3 7 Entering the Energy Option Parameters The Energy Option enables you to calculate the energy of a system based on the temperature at a supply point the temperature at a return point and the flow of fluid through the system To enter the Energy Option scroll to the Energy entry on the Program Menu and press ENTER The screen appears similar to Figure 21 below To step through each parameter press the W key While programming refer to Figure 1
204. tion transducer go to page 26 TransPort PT878 User s Manual Chapter 3 Programming Site Data SPECIAL 40 41 Type Wetted 42 43 44 Frequency 2 00 45 46 Wedge 47 Wedge 48 Wedge 49 ay Figure 11 Transducer Numbers Drop Down List Transducer Table 4 Transducer Numbers Available WETTED CLAMP ON SPECIAL SPECIAL 1 307 Shear 40 52 1 Rayleigh 1 308 Shear 41 53 2 Rayleigh 1 Shear 3 Rayleigh 310 10 Shear 311 10 Shear 1 312 11 Shear 313 314 5 71 12 Shear 30 Shear 127 Shear 14 Shear 13 Shear 31 Shear 15 Shear 14 Shear 32 Shear 1 Shear 15 Shear 33 Shear 1 Shear 16 Shear 34 Shear 1 403 Shear 17 Shear 35 Shear 407 Shear 18 Shear 36 Shear 408 Shear 19 Shear 37 Shear 409 Shear 20 Shear 38 Shear 410 Shear 21 Shear 39 Shear 22 Shear 112 Shear TransPort PT878 User s Manual 25 Chapter 3 Programming Site Data 3 2 1 Parameters for Special Transducers Note The factory will supply the information required below with the transducers 3 The prompt asks for the transducer frequency to transmit a signal at a frequency to which the transducer can respond a From the Transducer prompt press the V key to reach the Frequency prompt and press ENTER b A drop down list of five frequencies opens ranging fr
205. totalizer so that you can compare the totalizer figure with the measured volume of water in the weight tank 1 The prompt asks for the gate active a Press ENTER to open the drop down menu b Scroll to the desired gate active whether Contact Open or Contact Closed c Press ENTER to confirm your selection 2 The second prompt asks for the mode a Press ENTER to open the drop down menu b Scroll to the desired mode either Automatic or Manual c Press ENTER to confirm your selection Stopwatch Totalizer Through the Gate Input option you can implement the Stopwatch Totalizer function to measure totals manually To set up the Totalizer function 1 Atthe Gate Active prompt select Contact Open 2 At the Mode prompt select Manual and press ENTER Selecting Automatic causes the totalizer to run continuously The stopwatch icon see page 19 appears in the system tray To start or stop the function press the minus key on the keypad You have completed entering parameters in the Digital Output option To confirm the entries and return to Operate mode press F3 OK The PT878 returns to Operate Mode To leave the window without confirming the entries press F2 Cancel or the ESC key The PT878 returns to Operate Mode 60 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 11 Entering User Functions User functions enable you to program mathematical equations on eac
206. umeric keys to enter the desired value c Press ENTER to confirm the entry The final prompt asks for the span input value a Press ENTER to enter the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry You have completed entering data for general purpose inputs 3 8 2 Entering Analog Inputs in the Energy Option If you have enabled the Energy Option the screen displays fewer options as shown in Figure 28 below 52 Analog Input Input A Y Input B Function Supply Temp Label Supply Temp Units gt Zero 0l Span 400 C Cancel Figure 28 Analog Inputs Option Window Energy Option Activated TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 8 2 Entering Analog Inputs in the Energy Option cont The screen displays the function supply or return temperature label supply or return temperature and units selected in the Inputs form of the Energy Option see page 44 You cannot change these parameters in this form Press the V key to step through these parameters 1 The first prompt asks for the zero input value a Press ENTER to enter the text box b Use the numeric keys to enter the desired value c Press ENTER to confirm the entry 2 The final prompt asks for the span input value a Press ENTER to enter the text box b Use the numeric keys to enter the
207. ure 48 on page 81 To add a site message go to page 81 To transfer a site to a PC go to page 83 To transfer a site in text format go to page 83 To transfer a site from a PC to the PT878 go to page 85 TransPort PT878 User s Manual 73 Chapter 4 Creating and Managing Sites 4 1 The Site Manager cont You can arrange files from the Sort submenu shown in Figure 53 on page 86 To sort files by name go to page 86 e To sort files by date go to page 87 4 1 1 Creating a New Site Note Be sure you have entered the necessary setup data discussed in Chapter 3 Programming Site Data before creating and saving a new Site To create a new site within the Site Manager press MENU to open the File Menu Be sure the option New is highlighted and then press ENTER The screen appears similar to Figure 41 below Site 01 A B C D E F G H l J K L M N O P Q R S T U V W X Y Z 0 2 3 4 5 6 7 8 9 sj eN amp Figure 41 Name Entry Window for a New Site 1 Use the four arrow keys to scroll to the desired letter or number and press ENTER 74 TransPort PT878 User s Manual Chapter 4 Creating and Managing Sites 4 1 1 Creating a New Site cont 2 Repeat this procedure until you have created the desired site name of up to eight characters Press F1 Delete to remove any unwanted letters or numbers 3 When you have f
208. window opens as shown in Figure 94 on page 139 138 TransPort PT878 User s Manual Chapter 7 Logging Data 7 3 1 Setting up a New Log cont Select Measurement Diagnostics Meters sec Velocity Feet sec Volume Fwd Totalizer Rev Totalizer Energy Figure 94 Select Measurement Window 2 Scroll to the desired output type 3 Press SEL to confirm your selection 4 The prompt then moves to a list of unit types The available units depend on the selection made at the Data Source prompt Scroll to the desired output unit 5 Press F3 OK to confirm your selection 6 You can repeat this procedure for up to 12 different parameters 7 When you have finished press F2 Cancel to cancel the entries or F3 Activate to confirm the entries and start the log If you started the log from the New Log option the PT878 returns to Operate Mode with a Pencil icon in the System Tray 1f you started it from within the Log Manager the meter returns to the Log Manager TransPort PT878 User s Manual 139 Chapter 7 Logging Data 7 3 2 Copying Cloning a Selected Log In the Clone Selected Log option you can copy the parameters of a particular log modify the parameters and start the copy To copy a log 1 First select the log you wish to copy in the Log Manager shown in Figure 89 on page 133 2 Then open the File Menu scroll to the Clone Selected Log option and press
209. xt box and press ENTER to confirm the choice Note Ifthe Other Pipe soundspeed entered is too large given the previously entered Wedge soundspeed and angles an error message similar to Figure 16 below will appear Press F3 OK the error message disappears and enter another soundspeed within the range specified ci e ele Invalid Value Too High 100000 is Too High The valid range is from 3330 052 to 24000 000 ft s Figure 16 Soundspeed Error Message Window Note When the corrected soundspeed is entered a message similar to Figure 17 on page 33 appears Press F3 OK to return to the Site Menu 32 TransPort PT878 User s Manual Chapter 3 Programming Site Data 3 3 Entering Pipe Parameters cont a Q ele A WARNING Transducer Spacing has changed New Spacing 0 964 inches 24 493 mm Figure 17 Transducer Spacing Change Window 2 The next prompt asks if you wish to measure the pipe wall with the internal thickness gauge If you press ENTER the program moves to the T Gauge Display option as covered on page 162 When you have completed setting up and using the thickness gauge as discussed in Chapter 8 press F2 or F3 to return to the Pipe tab 3 For pipe diameter two alternatives are available At the Diameter prompt the meter asks for the pipe outside diameter and thickness But 1f you have selected c
210. y and then from the transmitter to the PT878 a special GE cable is required to make transmitter to PT878 connections The factory can supply the Resistive Temperature Device RTD and a Dual Transmitter DTR or you may supply your own If you supply your own equipment you will need to order a special GE cable with a LEMO connector to make connections from the transmitter to the PT878 To install the RTDs you need to do the following e find a suitable installation site e mount RTDs on the pipe e make electrical connections Use the instructions that follow to install the RTDs C 1 Guidelines for RTD Installation You should have discussed possible installation sites with an applications engineer or field sales person by the time you receive the RTDs However you should follow these guidelines to ensure accurate temperature measurement e Do not install the RTD on a pipe seam e Clean the pipe at the installation location e Do not install the RTD on the top or the bottom of the pipe e Apply thermal couplant to the RTD before mounting it to the pipe e Insulate the pipe and RTD after installation If you have a GE RTD use the instructions in the next section to properly mount the RTD on the pipe TransPort PT878 User s Manual 243 Appendix C Temperature Transmitter Installation C 2 Mounting RTDs on the Pipe The factory supplies a clamping fixture to mount the RTDs to the pipe however you must assemble the cla
211. y button again to perform the calibration Hold the transducer steady until the Set button appears Press ENTER to store the calibration TransPort PT878 User s Manual 169 Chapter 8 Servicing the PT878 Dual Point Calibration cont Important Be sure to hold the transducer steady until the GE wait cursor disappears 10 Use the A key to return to the Zero tab and then scroll to the Display tab page 165 to confirm the block length within 0 002 If the measurement is not within this limit recalibrate the transducer offsets Once you have completed calibration the transducer should remain calibrated until the meter memory is cleared or a dramatic shift in ambient conditions occurs To leave the Zero window e Press the lt or P arrow key to move to another tab to take readings or perform a velocity calibration e Press F2 Cancel to return to Operate Mode without confirming the soundspeed value e Press F3 OK to confirm the new value The PT878 returns to Operate Mode 170 TransPort PT878 User s Manual Chapter 8 Servicing the PT878 8 4 5 Calculating Velocity Pipe Material Soundspeed The nominal soundspeed for your pipe material will give thickness measurements of reasonable accuracy However for greater accuracy calibrate pipe material sound velocity Important This step is necessary only if the actual pipe material soundspeed differs from the soundspeed of the material used in th

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TransPort® PT878 Portable Liquid Flowmeter User`s Manual