CLAMP-ON ULTRASONIC
FLOW FOR LIQUIDS
FDT-40 Series
TM
U Bi-Directional
Flow Measurement |
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U Rugged, Aluminum |
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Enclosure |
FDT-40 and FDT-46-ANSI both |
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U Rate and Total |
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shown smaller than actual size. |
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Backlit Display |
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U4 to 20 mA and Dual Alarm Outputs
UUSB Programming Port
URS485 MODBUS® Network Connection
FDT-40 Series ultrasonic flow and energy meters clamp on to the outside of pipes and do not come in contact with the internal liquid. The technology has inherent advantages over alternate devices including: low-cost installation, no
pressure head loss, no moving parts to maintain or replace, no fluid compatibility issue, and a large, bi-directional measuring range that ensures reliable readings even at very low and high flow rates. FDT-40 Series is available in a variety of configurations that
permit the user to select a meter with features suitable to meet particular application requirements.
SPECIFICATIONS
System
Liquid Types: Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles Velocity Range: Bi-directional to greater than 40 FPS (12 MPS)
Flow Accuracy:
Larger Than 50 mm (2"): ±1% of reading or ±0.01 FPS (0.003 MPS), whichever is greater
25 to 50 mm (1 to 2"): ±1% of reading or ±0.04 FPS (0.012 MPS), whichever is greater
¾" (19 mm) and Smaller: ±1% of full scale
Sensitivity Flow: 0.001 FPS (0.0003 MPS)
Repeatability: 0.5% of reading
Transmitter
Power Requirements (AC): 95 to
264 Vac 47 to 63 Hz @ 17 VA maximum standard, 20 to 28 Vac 47 to 63 Hz
@ 0.35 A maximum (“-24VAC” models), 10 to 28 Vdc @ 5 W maximum
(“-VDC” models)
Protection: Auto resettable fuse, reverse polarity and transient suppression Display: Two line LCD, LED backlit; top row 18 mm (0.7") height, 7-segment; bottom row 9 mm (0.35") height, 14-segment
Icons: RUN, PROGRAM, RELAY1, RELAY2
Flow Rate Indication: 8-digit positive, 7-digit negative maximum; auto decimal, lead zero blanking
Flow Totalizer: 8-digit positive, 7-digit negative maximum (re-set via keypad press, software, network command or momentary contact closure
Enclosure NEMA 4 (IP65) Construction:
Powder-coated aluminum, polycarbonate, stainless steel, polyurethane, nickel-plated steel mounting brackets
Size (Electronic Enclosure Only):
152 W x 112 H x 56 mm D
(6.0 x 4.4 x 2.2")
Conduit Holes: (2) ½ NPT female
(1) ¾ NPT female
Temperature: -40 to 85ºC (-40 to 185ºF)
Configuration: Via optional keypad or PC running software (Note: not all configuration parameters are available from the keypad – i.e. flow and temperature calibration and advanced filter settings)
Engineering Units Flow Meter:
Feet, gallons, cubic feet, million gallons, barrels (liquid and oil), acre-feet, lbs, meters, cubic meters, liters, million liters, kg
Inputs/Outputs USB 2.0:
For connection of a PC running configuration utility
RS485: MODBUS RTU command set 4 to 20 mA: 12-bit, internal power, can span negative to positive flow/ energy rates
0 to 1000 Hz: Open-collector, 12-bit, can span negative to positive rates; square-wave or turbine meter simulation outputs
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