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PFT-HAN-S811-S | Paddlewheel flow sensor | insertion style | analog output | SS body | 1-1/2 BSPT connection FKM seals | tungsten-carbide shaft | PTFE bearings | Dwyer

Paddlewheel flow sensor, insertion style, analog output, SS body, 1-1/2 BSPT connection FKM seals, tungsten-carbide shaft, PTFE bearings

Brand: DwyerSKU: PFT-HAN-S811-S

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Series PFT Paddlewheel Flow Sensor

Non-Magnetic Sensing, Adjustable for 1-1/2 to 40" (38.1 to 1016 mm) Pipe, Pulse or 4 to 20 mA

The Series PFT Insertion Paddlewheel Flowmeters are used to monitor liquid flow rates in pipes from 1-1/2 to 40" and is available in brass or 316 SS body. The unit outputs a frequency proportional pulsed or 4 to 20 mA output. The pulse models are a square wave output signal with frequency proportional to the flow velocity and the 4 to 20 mA models have a linear output of the velocity with 4 mA equal to 0 ft/s and 20 mA equal to 25 ft/s.

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Product Applications

Irrigation
Ground water remediation
Cooling systems
Pump protection
Leak detection
Filtration systems

Long product life even in applications with particulate due to bearings and shaft that offer excellent wear protection
Use in irrigation applications with weatherproof and submersible ratings
Save time and inventory with one unit that is adjustable over a large pipe size range
Application versatility with a variety of wetted material selections
Reduce need for additional external components with integral 4-20 mA output
Eliminate concerns regarding magnetic material in flow due to sensor technology, which uses inductive sensing and no magnets

Specifications

Series: PFT Paddlewheel Flow Sensor
Category/Type: Flow
Type: Flow Transmitters
Series: PFT Paddlewheel Flow Sensor
Service: Water-based fluids.
Range: 1.2 to 25 ft/s (0.37 to 7.62 m/s).
Wetted Materials: Body and fitting: Brass or 316 SS; Fitting O-ring: FKM standard; silicone or Buna-N optional; Impeller: 316 SS; Shaft: tungsten carbide standard or 316 SS optional; Bearing: PTFE standard.
Linearity: ±1.0% of FS.
Repeatability: ±0.5% of FS.
Temperature Limits: -40 to 212°F (-40 to 100°C).
Pressure Limits: 400 psig (27.6 bar) @ 100°F (37.8°C); 325 psig (22.4 bar) @ 212°F (100°C).
Process Connection: 1-1/2" NPT male standard; 2" NPT male optional.
Output: > Pulse: NPN open collector with square wave output; rated 60 V @ 50 mAmaximum. Frequency: 3.2 to 200 Hz. Pulse Width: 2.5 msec ±25%.4 to 20 mA: 4 mA is 0 ft/s; 20 mA is 25 ft/s.
Power Requirement: 10 to 35 VDC.
Power Consumption: 40 mA (max).
Electrical Connection: 22 AWG shielded UL type PTLC rated 105°C; 20' (6.1 m) long with cable gland. Can be extended up to 2000' (609 m) with similar cable. Optional UL listed burial rated cable.
Enclosure Rating: NEMA 6P (IP67) *.
Housing Materials: Brass or 316 SS.
Weight: 3 lb. (1.36 kg).
Agency Approvals: CE.
: *Brass units IP67 only.