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TM
Transit Time Ultrasonic
Flow Meter for Clean Liquids
The 4 to 20 mA output is designed to source current
FDT7000 Series
across a loop resistance that is typically located within
a data acquisition system or other receiving
instrument. The maximum resistance that the flow can
accommodate is directly related to the DC power
source that is powering the flow meter and the
4 to 20 mA loop.
FDT7025 shown
actual size.
U LCD Display
U 4 to 20 mA Output [50 mm (2") Size
and Smaller Only]
U RS485 Communications (Modbus
®
)
U For Most Clean Liquids
U Rate and Total
U Enclosure NEMA 3 (IP54)
U Easy Installation
FDT7000 Series ultrasonic flow meter is known
for easy installation with its snap-clamp on pipe
transducer body sensors do not come in contact
with the internal liquid. The technology has inherent
advantages over alternate ultrasonic devices including:
low-cost, easy installation, no pressure head loss,
no moving parts to maintain or replace, no fluid
compatibility issue, and a wide measuring range
that ensures reliable readings from 0.3 to 19 feet/sec
(0.1 to 6.0 m/sec). The series is designed to work
on PVC, PP and UPVC pipe systems.
The flow meter is equipped with a ground referenced
4 to 20 mA output—the output shares a common
ground with the power supply. The output transmits
a continuous current output that is proportional to
liquid flow rate. The output was scaled at the factory to
ensure that the instrument or data acquisition system
that is receiving the 4 to 20 mA signal responds
properly, it must be spanned identically to the flow.
Specifications
Flow Range: 0.3 to 19 ft/s (0.1 to 6 m/s)
Accuracy: ±1.5% FS
Repeatability: 0.3%
Measuring Liquid: Clean water based
Pipe Material: PVC-U/PP-R
Protection Rate: NEMA 3 (IP54)
Power Supply: 10 to 36 Vdc, at 500 mA maximum
Output: 4 to 20 mA (zero to full scale) [50 mm (2") size
and smaller only)
Communications: RS485 (Modbus)
Temperature Range:
Transmitter/Transducer: 0 to 50ºC (32 to 122ºF)
Humidity: Up to 99% RH non-condensing
Transmitter: ABS plastic enclosure
Power Supply Cable: 3 m (9.8') standard
Display: LCD display
Weight: 0.5 kg (1.10 lb)
FDT7025
back view.
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LH
Ø
Dimensions: mm (inch)
DIN
Model No.
Size
FDT7020
FDT7025
FDT7032
FDT7040
FDT7050
FDT7063
W w
20
25
32
40
50
63
W
Front View Side View
Ø = diameter
Pipe OD Ø
20 (0.75) 13.8 to 17 (
Pipe ID
L W H
1
⁄2) 100 (4) 63 (2.5) 88 (3.5)
25 (1) 18.8 to 22 (3⁄4) 100 (4) 63 (2.5) 93 (3.6)
32 (1.25) 24.2 to 29 (1) 100 (4) 63 (2.5) 100 (4)
1
40 (1.5) 31 to 37 (1
⁄4) 134 (5.3) 63 (2.5) 108 (4.3)
50 (2) 38 to 47 (11⁄2) 134 (5.3) 63 (2.5) 118 (4.6)
63 (2.5) 48.5 to 59 (2) 134 (5.3) 63 (2.5) 131 (5.6)
Side View
Top View
H h
L
Front View
Dimensions: mm (inch)
Model No. W w H h L
FDT7065 to
63 (2.5) 40 (1.5) 72 (2.8) 60 (2.4) 335 (13.2)
FDT7200
FDT7250 to
63 (2.5) 40 (1.5) 72 (2.8) 60 (2.4) 525 (21)
FDT7300
To Order
Model No.
FDT7020
FDT7025
FDT7032
FDT7040
FDT7050
FDT7063
FDT7065
FDT7080
FDT7100
FDT7150
FDT7200
FDT7250
FDT7300
Comes complete with accoustic gel and operator’s manual.
Pipe OD
DIN (inch)
3
⁄4) Snap-on transit-time ultrasonic flow meter 0.15 to 14.66 (5.6 to 55.49)
20 (
Description
Flow Range
GPM (LPM)
25 (1) Snap-on transit-time ultrasonic flow meter 0.26 to 25.66 (9.8 to 97.13)
1
⁄4) Snap-on transit-time ultrasonic flow meter 0.40 to 40.32 (15.3 to 152.6)
32 (1
1
⁄2) Snap-on transit-time ultrasonic flow meter 0.70 to 69.6 (26.4 to 263.4)
40 (1
50 (2) Snap-on transit-time ultrasonic flow meter 1.10 to 109.98 (41.7 to 416.3)
1
⁄2) Snap-on transit-time ultrasonic flow meter 1.84 to 183.30 (69.4 to 693.8)
63 (2
65 (21⁄2) V-Track transit-time ultrasonic flow meter 3 to 291 (11 to 1100)
80 (3) V-Track transit-time ultrasonic flow meter 4 to 419 (15.8 to 1580)
100 (4) V-Track transit-time ultrasonic flow meter 8 to 745 (28 to 2800)
150 (6) V-Track transit-time ultrasonic flow meter 17 to 1676 (63 to 6300)
200 (8) V-Track transit-time ultrasonic flow meter 30 to 2980 (112 to 11,200)
250 (10) V-Track transit-time ultrasonic flow meter 47 to 4656 (175 to 17,500)
300 (12) V-Track transit-time ultrasonic flow meter 67 to 6705 (254 to 25,400)
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