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MICRO-FLOW METER
FTB300 Series
U NEMA 4X (IP56) Enclosure
U For Clean Liquids
The FTB300 Series of digital paddle wheels
are an economical choice for low flow rate
applications. They use Infra-red light beam
technology. Available connections include
¹⁄₈ FNPT, ¹⁄₄ FNPT and ³⁄₈" OD tube fittings.
Six available flow ranges as low as
30 mL/min to 7000 mL/min. Models without a display
have a 5 Vdc current sinking pulse output.
All units include an open collector alarm output.
Units have a PVDF chemical resistant lens.The
enclosure is weather resistant Valox® PBT and is
rated NEMA 4X (IP56).
SPECIFICATIONS
Maximum Working Pressure:
PVDF Lens
150 psig (10 bar) @ 21°C (70°F)
Maximum Fluid Temperature:
PVDF Lens Tubing Connectors:
93°C (200°F) at 0 psi
FTB321D shown
smaller than actual size.
Accuracy: ±6% FS
Power: 120 V
Sensor Type: Infrared light beam
Alarm Output: Open collector 30 Vdc maxim
Enclosure: NEMA 4X (IP56)
Shipping Wt:
ac (transformer prewired)
0.45 kg (1 lb)
Materials of Construction
Body, Paddle, Axle Material: PVDF
Connector Material
Tubing Connectors: PVDF
Viewing Lens Material Opaque Chemical
Resistant: PVDF
O-Ring Seals: FKM (EPDM optional)
Compression Seal to Pump: PVC
Sensor
Models: 5 Vdc digital square wave (2-wire)
Output: 3-wire shielded cable, 1.8 m (6')
Only
F
um
To Order
Sensor Model No. (no display) Range
¹⁄₈ FNPT ¹⁄₄ FNPT ³⁄₈" OD Tube L/min GPH
FTB311 FTB321 FTB331 0.03 to 0.3 0.48 to 4.7
FTB312 FTB322 FTB332 0.1 to 1 1.6 to 15.8
FTB313 FTB323 FTB333 0.2 to 2 3.2 to 31.7
FTB314 FTB324 FTB334 0.3 to 3 4.8 to 48
FTB315 FTB325 FTB335 0.5 to 5 7.9 to 79
FTB316 FTB326 FTB336 0.7 to 7 11.1 to 111
Comes complete with inlet strainer and operator’s manual.
For EPDM O-rings add suffix “-EPDM” to model number, no additional charge.
For European style power supply (220V50Hz) add suffix, “-EU” to model number, for additional cost.
For US 230V 60 Hz power supply, add suffix “-230V” to model number, for additional cost.
Ordering Examples: FTB323D, micro-flow meter, 0.2 to 2 L/min range,
micro-flow meter, 0.03 to 0.3 L/min range,
3
" OD tube connections.
⁄
8
1
FNPT connections. FTB331D,
⁄
4
F-86
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