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Doppler Ultrasonic Flow Meters

Series DFX

DPP-UM-00256-EN-03 (August 2019)

User Manual

Summary of Contents for Dynasonics DFX Series

Page 1: ...Doppler Ultrasonic Flow Meters Series DFX DPP UM 00256 EN 03 August 2019 User Manual...

Page 2: ...Doppler Ultrasonic Flow Meters Series DFX Page 2 August 2019 DPP UM 00256 EN 03...

Page 3: ...ity 9 Product Identification 9 Transducer Installation 10 Unpacking and Inspection 10 Mounting Locations 10 Pipe Preparation 12 DT9 Clamp On Transducer Mounting 12 DP7 Probe Transducer Mounting 13 Tra...

Page 4: ...ogramming 29 General 29 Keypad Operation 29 Totalizer Reset 29 Menu Structure 30 Hierarchy 30 Menu Maps 31 Parameters 33 Setup Parameters 33 Module Configuration Parameters 35 Advanced Configuration P...

Page 5: ...ainer visually inspect the product and applicable accessories for any physical damage such as scratches loose or broken parts or any other sign of damage that may have occurred during shipment NOTE N...

Page 6: ...the transducers See Figure 1 Pipe must be filled with liquid for proper operation h h FLOW Top View of Pipe Figure 1 Transducer locations 45 45 YES W and V Mount Top of Pipe Figure 2 Transducer mount...

Page 7: ...for the power supply See Power Supply Wiring Connections on page 21 or the wiring and jumper selection diagram is located inside the door NOTE N Power supply selection is specified during order place...

Page 8: ...ed to the speed of the moving particle or bubble This shift in frequency is interpreted by the instrument and converted to various user defined measuring units The criteria for a good Doppler reflecto...

Page 9: ...lts of isolation from the power supply mains The display face contains voltages no greater than 24V DC Output modules are optically isolated from external power supplies and provide a great degree of...

Page 10: ...ng and receiving ultrasonic sound energy through the pipe wall DT9 and from the probe tip DP7 Placement of the ultrasonic transducer is the most critical step in achieving an accurate and reliable flo...

Page 11: ...6 for examples of minimum upstream and downstream requirements Flow Flow Flow Flow Flow Flow 24 24 14 10 10 10 5 5 5 5 5 5 Upstream Pipe Diameters Downstream Pipe Diameters Piping Configuration and Tr...

Page 12: ...ased products can be used but verify that the grease is rated not to flow at the maximum surface temperature anticipated on the pipe In general use the following couplants with these transducers Trans...

Page 13: ...ally if a splice my be exposed to water or other liquids it may be more effective to replace the entire cable Transducers use RG59 75 Ohm coaxial cable or Twinax Belden 9463 or Belden 9463DB 78 Ohm tw...

Page 14: ...robe mounting area 3 Tack weld a 1 1 2 in NPT weld coupling to the pipe or install a service saddle according to the supplier s instructions The coupling or saddle must be aligned perpendicular to the...

Page 15: ...OBE IS PROVIDED WITH TWO COAXIAL CABLES TO SHIELD THE LOW LEVEL SIGNALS AND MUST BE CONTINUOUS TO THE DP7 PROBE TRANSMITTER EXCESS WIRE MAY BE CUTOFF OR SIMPLY COILED NEAR THE DFX FLOW METER Probe Ret...

Page 16: ...the pipe internal diameter Measurement B Pipe wall thickness This information can be obtained from standard pipe wall charts see Specifications on page 40 or ideally can be measured using an ultrason...

Page 17: ...position the probe in the insertion fitting Continue to insert the probe into the isolation assembly until the probe tip comes in contact with the closed ball in the isolation valve CAUTION DO NOT FO...

Page 18: ...edance In many cases especially if a splice my be exposed to water or other liquids it may be more effective to replace the entire cable Transducers use RG59 75 Ohm coaxial cable or Twinax Belden 9463...

Page 19: ...nection Transducer Connection Input Output Connection 3 m20 Conduit Holes 6 08 154 4 5 19 131 8 6 65 169 0 3 31 84 1 1 70 43 2 1 99 50 5 6 25 158 8 0 07 1 8 Maximum Radius PANEL CUT OUT Panel Thicknes...

Page 20: ...t the corresponding screw terminals in the transmitter See Figure 14 or the Wiring Diagram located inside the door of the transmitter NOTE N The transducer cable carries low level high frequency signa...

Page 21: ...IS METER NOTE N This instrument requires clean electrical line power Do not operate this unit on circuits with noisy components such as fluorescent lights relays compressors or variable frequency driv...

Page 22: ...easy reach of the operator The switch or circuit breaker must be marked as the disconnect device for the DFX flow meter J3 J4 J2 JP1 AC Power Connections 50 60 Hz 17 Watts Maximum Figure 16 DFX flow...

Page 23: ...air shielded interconnection wire for this purpose See Figure 18 JP1 JP2 Connections 115 230 VAC J4 J3 J2 9 28 VDC 9 28 VDC 4 3 2 1 2 1 2 1 2 1 2 1 Fuse 5x20mm AC 0 25A 250VDelay DC 1 0A 250VDelay Rec...

Page 24: ...MODs for input and output functions ISO MODs are epoxy encapsulated electronic input output modules that are simple to install and replace in the field See Figure 20 All modules are 2500 V optically i...

Page 25: ...Configuration Verify that jumpers are in place at JP1 and JP2 on the module See Figure 22 In this configuration the 4 20 mA output is driven from a 24V DC source located within the DFX flow meter The...

Page 26: ...pply The voltage of the external power source must be sufficient to power the module and drive the loop load The loop loss attributed to the ISO MOD is 7V DC so the minimum voltage required to power a...

Page 27: ...lenoids and motors Typical relay connections are illustrated in Figure 24 The reed relays located within the relay module can interface directly with small pilot lights PLCs electronic counters and SC...

Page 28: ...be run to electronic monitors that are compatible with variable reluctance outputs from coils such as those found in turbine and paddle wheel flow meters The input impedance of the receiving device sh...

Page 29: ...ing on your position in the programming mode up to three MENU presses may be required to exit The display changes to RUN mode NOTE N While in RUN mode simultaneously press the UP and DOWN keys to disp...

Page 30: ...35 MGAL 33 HIGH 36 FLOW 20MA numeric entry 35 CUBIC FT 33 XDCR TYP DT90 36 4 20 CAL YES 35 M CU FT 33 PROBE 36 NO 35 CUBIC ME 33 C FACTOR numeric entry 36 4MA OUT numeric entry 35 MEG LTRS 33 LINEAR Y...

Page 31: ...CRE FT OIL BARR 42 Gal LIQ BARR 31 5 Gal LBS KGS VEL FEET VEL MTRS TOTL UNT Totalizer Units YES NO CFG MOD 1 Configure Module 1 YES NO CFG MOD 2 Configure Module 2 YES NO AD SETUP Advanced Setup Numer...

Page 32: ...mA Output Test Numeric Entry n OFF Relay n Off Numeric Entry n ON Relay n On n the relay number 1 2 3 4 1 2 are in module 1 3 4 are in module 2 Numeric Entry 4MA OUT 4 mA DAC Value Numeric Entry Nume...

Page 33: ...Linear Meters VEL MTRS RATE INT Time interval for flow rate SEC Seconds MIN Minutes HOUR Hours DAY Days Select a time interval for flow rate measurements TOTL UNT Totalizer units Select an engineering...

Page 34: ...ive filter value Under stable flow conditions flow varies less than 10 of reading this adaptive filter increases the number of successive flow readings that are averaged together up to this maximum va...

Page 35: ...ate pulse output module FLOW 0Hz Enter the flow rate that corresponds to 0 Hz The units are equal to the units set in RATE UNT FL MAXHZ Enter the flow rate that corresponds to 2500 Hz The units are eq...

Page 36: ...y shift is approximately 70 Hz per foot per second For every foot per second increase in velocity the signal strength should increase by 1 The unit automatically adjusts the gain and selects the prope...

Page 37: ...tion feature corrects flow readings influenced by non linear flow measurement This typically occurs when there is insufficient straight piping before or after the location where the transducers are mo...

Page 38: ...instrument Most RTVs require 24 hours to cure satisfactorily It is very important that the transducers are not moved during the curing process Air bubbles can form between the transducer and the pipe...

Page 39: ...naccurate flow reading Verify that pipe ID is entered correctly Verify that an erroneous Scale Factor has not been entered Verify that erroneous Linearization values have not been entered Verify that...

Page 40: ...internal or external power supply 12 bit resolution Optically Isolated Dual Relay Independently configured Form C 200V AC 0 5 A resistive rate alarm totalizer pulse error Rate Pulse 500 mV AC 2500 Hz...

Page 41: ...0 375 4 563 0 500 4 313 0 625 6 6 625 5 761 0 432 5 761 0 432 5 501 0 562 5 187 0 719 8 8 625 7 813 0 406 7 625 0 500 7 625 0 500 7 437 0 594 7 178 0 719 6 183 1 221 10 10 75 9 750 0 500 9 75 0 500 9...

Page 42: ...47 0 258 6 6 625 6 407 0 109 6 357 0 134 6 065 0 280 6 065 0 280 8 8 625 8 407 0 109 8 329 0 148 8 125 0 250 8 071 0 277 7 981 0 322 7 981 0 322 10 10 75 10 482 0 134 10 42 0 165 10 25 0 250 10 13 0 3...

Page 43: ...all 0 160 0 125 0 109 0 250 0 063 ID 0 995 1 025 1 055 1 062 ID 4 805 4 875 4 907 5 063 4 874 1 25 OD 1 375 1 375 1 375 1 660 6 in OD 6 125 6 125 6 125 6 625 6 000 Wall 0 065 0 055 0 042 0 146 Wall 0...

Page 44: ...92 ID 10 10 9 96 10 16 10 04 10 12 10 00 10 12 10 00 12 OD 13 20 13 20 13 50 13 50 13 78 13 78 14 08 14 08 Wall 0 54 0 62 0 68 0 75 0 82 0 89 0 97 1 04 ID 12 12 11 96 12 14 12 00 12 14 12 00 12 14 12...

Page 45: ...0 36 OD 37 96 38 30 38 70 39 16 39 60 40 04 Wall 0 99 1 15 1 36 1 58 1 80 2 02 ID 35 98 36 00 35 98 36 00 36 00 36 00 42 OD 44 20 44 50 45 10 45 58 Wall 1 10 1 28 1 54 1 78 ID 42 00 41 94 42 02 42 02...

Page 46: ...h 990 ft 297 m in 10 ft 3 m increments 100 100 ft 30 m Std Temp Maximum 194 F 90 C Small Pipe 1 4 1 in 6 25 mm Std Pipe 1 in 25 mm and above Max length 990 ft 297 m in 10 ft 3 m increments NOTE All DT...

Page 47: ...User Manual INTENTIONAL BLANK PAGE Page 47 August 2019 DPP UM 00256 EN 03...

Page 48: ...Pedro Luis Ogaz n N 32 Esq Angelina N 24 Colonia Guadalupe Inn CP 01050 M xico DF M xico 52 55 5662 0882 Europe Eastern Europe Branch Office for Poland Latvia Lithuania Estonia Ukraine Belarus Badger...

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