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Page 27

PTFM 1.0 Portable Transit Time Flow Meter

What is the purpose of the Signal Strength Display?

The primary function of the signal strength display is to assist as a feedback when mounting sensors.
Signal Strength can also be a useful diagnostics tool when troubleshooting problems with an installation.
A low signal strength (< 10%) will cause the PTFM to be more susceptible to environmental noise and
may indicate a problem with the installation or other qualitative issues.

Does the PTFM 1.0 require periodic recalibration?

PTFM 1.0 calibration does not normally drift over time. Greyline offers a calibration service to verify
instrument accuracy.

ISO 9000 or similar quality management systems may require periodic and verifiable recalibration of
flow meters. PTFM 1.0 Flow Meters may be returned to Greyline for factory calibration and issue of a
new NIST traceable certificate. Refer to the ‘Product Return Procedure’ section of this manual for return
instructions.

Can the internal batteries be replaced?

The built-in rechargeable NiMH battery pack is not user-serviceable. The meter should be returned to
Greyline for battery service.

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Содержание PTFM 1.0

Страница 1: ...www greyline com USER S GUIDE Installation Operation Instructions Portable Transit Time Flow Meter Model PTFM 1 0 Manual Series A 1 6 ...

Страница 2: ...Page 2 Note This page has been left blank intentionally ...

Страница 3: ...NSWERS 26 APPLICATIONS HOTLINE 28 PRODUCT RETURN PROCEDURE 28 FLOW METER DATA SHEET 29 APPENDIX A CONVERSION TABLE 33 PIPE CHARTS 34 APPENDIX B Liquid Speed of Sound 38 IMPORTANT NOTE This instrument is manufactured and calibrated to meet product specifications Please read this manual carefully before installation and operation Any unauthorized repairs or modifications may result in a suspension o...

Страница 4: ...itch off automatically when the battery is fully discharged Full charge requires approximately 6 hours charging Sleep mode extends battery life for long term data logging Maximum log time is 18 days at 5 minute sample rate CONNECTIONS SENSORS Use type SE16B supplied with 12 ft 4 m coaxial cables and BNC connectors Set of optional PTC50 50 ft 15 m extension sensor cables available 4 20mA Active onl...

Страница 5: ...0 06 inch Set Pipe material ABS Set Lining None Set Crossings 4 Press to view Signal Strength at bottom of menu Press twice to exit Setup and return to main display From main display press to view Status menu Apply coupling compound to the face of sensors and press together as indicated in the illustration below The Status menu should indicate a high Signal Strength 75 100 COUPLING COMPOUND 0 8 20...

Страница 6: ...Page 6 PTFM 1 0 Portable Transit Time Flow Meter SENSOR INSTALLATION ...

Страница 7: ... 1 0 menu system Arrows show the four directions to leave a menu box Pressing a corresponding keypad arrow will move to the next item in the direction shown Move the cursor highlighted under numerals and increase or decrease numerals with the and keys To store calibration values permanently press the ...

Страница 8: ...Page 8 PTFM 1 0 Portable Transit Time Flow Meter CALIBRATION MENU ...

Страница 9: ...e waiting Press Battery 0 Battery 100 1 2 3 4 5 Battery charging Charger connected Data logging off 1 2 Data logging on 1 2 3 4 USB file download File download completed Download Error 1 2 3 PTFM Echo OK PTFM No Echo Empty Pipe PTFM No Sensors Attached Wrong Settings ...

Страница 10: ...lay MESSAGE Press from the MAIN display to view error warning messages provided by the instrument The Message icon will appear on the MAIN display if error messages are being generated by the instrument Press to return to the main display STATUS Press from the MAIN display to view instrument status Velocity Displayed in ft sec or m sec Signal Strength Displays percentage of signal being received b...

Страница 11: ...n display PASSWORD The password a number from 0000 to 9999 prevents unauthorized access to the Calibration menu From the Main display press the key to get to Password Factory default password is 0000 and if it has not been changed press the to proceed to the Menu Selections screen If a password is required press to place the cursor under the first digit and or to set the number then to the second ...

Страница 12: ...ion then the to the next menu item and to enter From Linear press the key and then the or to select your units of measurement Press the to store your selection Press the key to move the symbol to each subsequent menu item and the to save your selections Note the volume selection bbl denotes U S oil barrel From Temperature press and then or to select C or F Centigrade or Fahrenheit Press or to retu...

Страница 13: ...e the numbers and decimal point Pipe OD should be entered as the exact outside diameter of the pipe where the sensor is mounted Refer to the Pipe Charts Appendix in this manual for outside diameter of common pipe types and sizes Pipe Wall Enter wall thickness Refer to the Pipe Charts Appendix in this manual for thickness of common pipe materials and sizes Pipe Vel When pipe Other Enter pipe materi...

Страница 14: ...tions and full pipe select Yes to force readings to zero Sens Space Displays the calculated sensor spacing Velocity Displays the measured velocity Signal Strength Displays magnitude of signal being received by the ultrasonic sensor Press from the Units Mode display to return to Menu Selections NOTE Sensor separation distance is automatically calculated by the instrument and will be displayed in th...

Страница 15: ...sec 12 2 m sec may be selected 4mA at Press or to set the flow rate corresponding to 4mA analog output This setting may be left at zero flow or velocity or can be raised to any value less than the 20mA setting or lowered to any velocity or corresponding flow rate down to 40 ft sec 12 2 m sec Min Flow Flow rates below this setting will be displayed as zero flow Damping Increase damping to stabilize...

Страница 16: ...and Seconds Press to store the setting Interval Press or to select the logging interval Press to store the setting Log Select Start then to start logger Select Stop then to stop logger Select Delete then to clear all previous logging sessions RETRIEVE LOG FILE Install Greyline Logger on your PC or laptop Refer to the Help menu in the program for detailed instructions Connect the PTFM 1 0 to the PC...

Страница 17: ...e reverse flow Cal Constant Factory set during calibration Refer to the calibration certificate supplied with your instrument Restore Defaults Select Yes and press to erase all user settings and return the instrument to factory default settings New Password Select any number from 0000 to 9999 and press Default setting of 0000 will allow direct access to the calibration menus Setting of any passwor...

Страница 18: ...l To simulate measurements between minimum and maximum set Test to Actual and then enter for the flow measurement The analog output will respond to the simulated value SLEEP MODE Logging in sleep mode requires a minimum sample time of 30 seconds Selecting sleep mode for 10 second sampling rate results in instrument always being awake BACKLIGHT Three levels of backlight are selectable to conserve p...

Страница 19: ... side 1 to 5 o clock positions to avoid concentrations of gas at the top of the pipe or solids at the bottom VELOCITY INCREASING DEVICES Generally the sensors must be mounted away from flow disturbances such as valves pumps orifice plates venturis or pipe inlets and discharges which tend to increase flow velocity Velocity increasing devices often cause cavitation or rapid release of gas bubbles an...

Страница 20: ...ation is to eliminate any discontinuity between the sensor and the pipe wall which would prevent acoustical coupling A TMK1 Sensor Mounting Kit is supplied with each Greyline flow meter It includes recommended coupling compound in a plastic applicator and a stainless steel mounting bracket with adjustable pipe straps Use the Alignment Bar included to align sensor brackets for V and W mode mounting...

Страница 21: ...Flow Meter SEPARATION DISTANCE Measure separation distance with a ruler or tape measure Separation distance is automatically calculated by the PTFM 1 0 based on parameters entered in the Set up menu Sens Space is displayed on the Setup menu ...

Страница 22: ...on coupling compound 4 to the colored face of the sensor A bead similar to toothpaste on a toothbrush is ideal Do not overtighten crush the sensor The sensor must be fixed securely to the pipe with coupling material between the sensor face and the pipe Sensor installation with excessive coupling compound can result in gaps or voids in the coupling and cause errors or loss of signal Insufficient co...

Страница 23: ...Page 23 PTFM 1 0 Portable Transit Time Flow Meter SENSOR MOUNTING COUPLING RECOMMENDATIONS BAD GOOD ...

Страница 24: ...nd reconnect sensor cables ensuring that cable plugs are properly inserted into terminals and tightened METER READING LOWER THAN EXPECTED Calibration Error Review calibration menu Pipe dimensions and fluid selection fluid velocity Lower flow rate than expected Investigate pump valves Compare velocity with alternate instrument Erratic measurement set damping to 0 to check due to electrical noise or...

Страница 25: ...damping to 0 to check due to electrical noise or poor signal quality Try adjusting sensor spacing 10 and contact Greyline for further assistance Pipe not Full Verify pipe is full by mounting sensors at top of pipe and check echo icon No echo if pipe is not full High viscosity fluid Laminar flow profile due to high viscosity fluid requires an adjustment to Cal Const BATTERY CONDITIONING To restore ...

Страница 26: ...re corrosion oxidation on the inside of the pipe may prevent the Transit Time signal from penetrating into the flow If the pipe cannot be cleaned a spool piece PVC recommended should be installed for sensor mounting What effect do pipe liners have on the flow meter The air gap between loose insertion liners and the pipe wall prevent the Transit Time signal from entering the flow Better results can...

Страница 27: ...ive issues Does the PTFM 1 0 require periodic recalibration PTFM 1 0 calibration does not normally drift over time Greyline offers a calibration service to verify instrument accuracy ISO 9000 or similar quality management systems may require periodic and verifiable recalibration of flow meters PTFM 1 0 Flow Meters may be returned to Greyline for factory calibration and issue of a new NIST traceabl...

Страница 28: ...ax or email to obtain an RMA number Returned Merchandise Authorization This ensures fast service and correct billing or credit When you contact Greyline please have the following information available 1 Model number Software Version 2 Serial number 3 Date of Purchase 4 Reason for return description of fault or modification required 5 Your name company name address and phone number 2 Clean the Sens...

Страница 29: ...eyline flow meters in similar applications and to provide advice and recommendations to you Thank you for your cooperation Contact Information Contact Title Dept Company Address Address Tel Fax Email Mobile Service Conditions Pipe Run Vertical Horizontal Pipe Full Yes No Fluid Type of Solids Nominal Pipe Size and Schedule Pipe Outside Diameter Wall Thickness Pipe Material Liner Material Liner Thic...

Страница 30: ... along with a copy of your invoice This warranty does not cover damages due to improper installation or handling acts of nature or unauthorized service Modifications to or tampering with any part shall void this warranty This warranty does not cover any equipment used in connection with the product or consequential damages due to a defect in the product All implied warranties are limited to the du...

Страница 31: ...time and date stamped or formatted flow reports including total average minimum maximum and times of occurrence PC Software Greyline Logger for Windows 98 or higher Retrieves displays and saves data log files Electronics Operating Temperature 5 to 140 F 20 to 60 C Electronics Enclosure Portable ABS enclosure Carry Case Rated IP67 with protective molded foam insert Accuracy 1 of reading or 0 1 ft s...

Страница 32: ...0 mm to 1200 mm Operating Temperature 40 to 300 F 40 to 150 C Operating Frequency 1 28 MHz Sensor Cable PTC12 12 ft 4 m with BNC connectors and seal jackets Optional PTC50 50 ft 15 m with BNC connectors and seal jackets Submersion Rating Withstands accidental submersion pressure up to 10 psi 0 7 Bar ...

Страница 33: ...S GALLONS IMPERIAL GALS 0 8327 US GALLONS LITRES 3 785 US GALLONS CUBIC METERS 0 003785 LITRES SEC GPM 15 85 LITRES CUBIC METERS 0 001 BARRELS US GALLONS 42 BARRELS IMPERIAL GALS 34 9726 BARRELS LITRES 158 9886 INCHES MM 25 4 DEGREES F DEGREES C F 32 x 0 556 POUNDS KILOGRAMS 0 453 PSI BAR 0 0676 FOOT METER 0 0929 Note BARRELS are U S oil barrels ...

Страница 34: ...3 12 34 0 46 12 28 0 49 12 22 14 15 30 0 33 14 64 0 36 14 58 0 39 14 52 0 42 14 46 0 45 14 40 0 48 14 34 0 51 14 28 16 17 40 0 34 16 72 0 37 16 66 0 40 16 60 0 43 16 54 0 46 16 48 0 49 16 42 0 52 16 36 18 19 50 0 35 18 80 0 38 18 74 0 41 18 68 0 44 18 62 0 47 18 56 0 50 18 50 0 53 18 44 1875 375 20 21 60 0 36 20 88 0 39 20 82 0 42 20 76 0 45 20 70 0 48 20 64 0 51 20 58 0 54 20 52 24 25 80 0 38 25 ...

Страница 35: ... 21 564 218 24 24 000 23 563 218 23 500 250 Pipe Pipe Schedule 60 Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Size O D I D WALL I D WALL I D WALL I D WALL I D WALL I D WALL 840 546 147 466 187 1 050 742 154 614 218 1 1 315 957 179 815 250 1 1 660 1 278 191 1 160 250 1 1 900 1 500 200 1 338 281 2 2 375 1 939 218 1 689 343 2 2 875 2 323 276 2 125 375 3 3 500 2 900 300 2 624 438 3...

Страница 36: ... 10 16 11 40 0 68 10 04 12 13 20 0 54 12 12 13 20 0 62 11 96 13 50 0 68 12 14 13 50 0 75 12 00 14 15 30 0 57 14 16 15 30 0 66 13 98 15 65 0 74 14 17 15 65 0 82 14 01 16 17 40 0 60 16 20 17 40 0 70 16 00 17 80 0 80 16 20 17 80 0 89 16 02 18 19 50 0 64 18 22 19 50 0 75 18 00 19 92 0 87 18 18 19 92 0 96 18 00 20 21 60 0 67 20 26 21 60 0 80 20 00 22 06 0 92 20 22 22 06 1 03 20 00 24 25 80 0 76 24 28 2...

Страница 37: ...58 2 375 2 062 0 157 2 2 625 2 435 0 095 2 625 2 465 0 080 2 625 2 495 0 065 2 875 2 500 0 188 2 500 2 400 0 050 3 3 125 2 907 0 109 3 125 2 945 0 090 3 125 2 981 0 072 3 500 3 062 0 219 3 000 2 900 0 050 3 3 625 3 385 0 120 3 625 3 425 0 100 3 625 3 459 0 083 4 000 3 500 0 250 4 4 125 3 857 0 134 4 125 3 905 0 110 4 125 3 935 0 095 4 500 3 935 0 095 4 000 4 000 0 250 4 5 000 4 500 0 250 5 5 125 4...

Страница 38: ...0 Ammonia 35 NH3 0 771 1729 6 68 Amorphous Polyolefin 0 98 962 6 t Amyl alcohol C5H12O 0 81 1204 Aminobenzene 41 C6H5NO2 1 022 1639 4 0 Aniline 41 C6H5NO2 1 022 1639 4 0 Argon 45 Ar 1 400 188ºC 853 Azine C6H5N 0 982 1415 4 1 Benzene 29 40 41 C6H6 0 879 1306 4 65 Benzol 29 40 41 C6H6 0 879 1306 4 65 Bromine 21 Br2 2 928 889 3 0 Bromo benzene 46 C6H5Br 1 522 1170 1 Bromo butane 46 C4H9Br 1 276 20ºC ...

Страница 39: ...iamylamine C10H23N 1256 3 9 1 2 Dibromo ethane 47 C2H4Br2 2 18 995 trans 1 2 Dibromoethene 47 C2H2Br2 2 231 935 Dibutyl phthalate C8H22O4 1408 Dichloro t butyl alcohol C4H8Cl2O 1304 3 8 2 3 Dichlorodioxane C2H6Cl2O2 1391 3 7 Dichlorodifluoromethane 3 Freon 12 CCl2F2 1 516 40ºC 774 1 4 24 1 2 Dichloro ethane 47 C2H4Cl2 1 253 1193 cis 1 2 Dichloro Ethene 3 47 C2H2Cl2 1 284 1061 trans 1 2 Dichloro et...

Страница 40: ...7 Ethyl acetate 33 C4H8O2 0 901 1085 4 4 Ethyl alcohol C2H6O 0 789 1207 4 0 Ethyl benzene 46 C8H10 0 867 20ºC 1338 Ethyl bromide 46 C2H5Br 1 461 20ºC 900 Ethyliodide 46 C2H5I 1 950 20ºC 876 Ether C4H10O 0 713 985 4 87 Ethyl ether C4H10O 0 713 985 4 87 Ethylene bromide 47 C2H4Br2 2 18 995 Ethylene chloride 47 C2H4Cl2 1 253 1193 Ethylene glycol C2H6O2 1 113 1658 2 1 50 Glycol 50 H2O 1578 d Fenochone...

Страница 41: ... C7H8O 1 034 20ºC 1500 Iodo benzene 46 C6H5I 1 823 1114 Iodo ethane 46 C2H5I 1 950 20ºC 876 Iodo methane CH3I 2 28 20ºC 978 Isobutyl acetate 22 C6H12O 1180 4 85 Isobutanol C4H10O 0 81 20ºC 1212 Iso Butane 1219 8 Isopentane 36 C5H12 0 62 20ºC 980 4 8 Isopropanol 46 C3H8O 0 785 20ºC 1170 Isopropyl alcohol 46 C3H8O 0 785 20ºC 1170 Kerosene 0 81 1324 3 6 Ketohexamethylene C6H10O 0 948 1423 4 0 Lithium...

Страница 42: ...03 1172 4 14 n Octane 29 C8H18 0 704 20ºC 1212 5 3 50 1 Octene 27 C8H16 0 723 20ºC 1175 5 4 10 Oil of Camphor Sassafrassy 1390 3 8 Oil Car SAE 20a 30 1 74 870 Oil Castor C11H10O10 0 969 1477 3 6 Oil Diesel 0 80 1250 Oil Fuel AA gravity 0 99 1485 3 7 Oil Lubricating X200 1530 5019 9 Oil Olive 0 912 1431 2 75 Oil Peanut 0 936 1458 Oil Sperm 0 88 1440 Oil 6 1509 2 2 Oxydiethanol C4H10O3 1 116 1586 2 ...

Страница 43: ...6O 0 791 1174 4 5 Propene 17 18 35 C3H6 0 563 13ºC 963 6 32 n Propyl acetate 22 C5H10O2 1280 2ºC 4 63 n Propyl alcohol C3H8O 0 78 20ºC 1222 Propylchloride 47 C3H7Cl 0 892 1058 Propylene 17 18 35 C3H6 0 563 13ºC 963 6 32 Pyridine C6H5N 0 982 1415 4 1 Refrigerant 11 3 4 CCl3F 1 49 828 3 3 56 Refrigerant 12 3 CCl2F2 1 516 40ºC 774 1 4 24 Refrigerant 14 14 CF4 1 75 150ºC 875 24 6 61 Refrigerant 21 3 C...

Страница 44: ... 20ºC 918 1 1 1 Trichloro ethane 47 C2H3Cl3 1 33 985 Trichloro ethene 47 C2HCl3 1 464 1028 Trichloro fluoromethane 3 Freon 11 CCl3F 1 49 828 3 3 56 Trichloro methane 47 CHCl3 1 489 979 3 4 1 1 2 Trichloro 1 2 2 Trifluoro Ethane CCl2F CClF2 1 563 783 7 Triethyl amine 33 C6H15N 0 726 1123 4 47 Triethylene glycol C6H14O4 1 123 1608 3 8 1 1 1 Trifluoro 2 Chloro 2 Bromo Ethane C2HClBrF3 1 869 693 1 2 2...

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