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Series PFT Paddlewheel Flow Sensor

Brand: Dwyer Instruments, LLC

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.
Features
  • Bearings and Shaft Offer Excellent Wear Protection Even in Applications with Particulate for Long Life
  • Weatherproof and Submersible Rated for Irrigation Applications
  • One Unit Adjustable Over a Large Pipe Size Range
  • Multiple Wetted Material Choices Offer Application Versatility
  • Integral 4 to 20 mA Output with No Need for Additional External Components
  • Sensor Technology Uses Inductive Sensing to Sense the Blades of the Impeller Therefor Does not Use Magnets Allowing low Flow Rate Monitoring with No Concerns Regarding Magnetic Material in The Flow

1 - 9 of 9 Part Numbers
PFT-HAN-B611-S
PFT-HAN-B611-S
DWYER Paddlewheel Flow Sensor, Insertion Style, Analog Output, Brass Body, 1-1/2" NPT Connection FKM Seals, Tungsten-Carbide Shaft, PTFE Bearings
PFT-HAN-S611-S
PFT-HAN-S611-S
DWYER Paddlewheel Flow Sensor, Insertion Style, Analog Output, SST Body, 1-1/2" NPT Connection FKM Seals, Tungsten-Carbide Shaft, PTFE Bearings
PFT-HAN-S811-S
PFT-HAN-S811-S
DWYER Paddlewheel Flow Sensor, Insertion Style, Analog Output, SST Body, 1-1/2 BSPT Connection FKM Seals, Tungsten-Carbide Shaft, PTFE Bearings
PFT-HDN-B611-S
PFT-HDN-B611-S
DWYER Paddlewheel Flow Sensor, Insertion Style, Pulse Output, Brass Body, 1-1/2" NPT Connection FKM Seals, Tungsten-Carbide Shaft, PTFE Bearings
PFT-HDN-S611-S
PFT-HDN-S611-S
DWYER Paddlewheel Flow Sensor, Insertion Style, Pulse Output, SST Body, 1-1/2" NPT Connection FKM Seals, Tungsten-Carbide Shaft, PTFE Bearings
PFT-IAN-B111-S
PFT-IAN-B111-S
  • Output - 4-20 mA
  • Body Material - Brass
  • Connection - 1-1/2" NPT
PFT-IAN-S111-S
PFT-IAN-S111-S
  • Output - 4-20 mA
  • Body Material - 316 Stainless Steel
  • Connection - 1-1/2" NPT
PFT-IDN-B111-S
PFT-IDN-B111-S
  • Output - Pulse
  • Body Material - Brass
  • Connection - 1-1/2" NPT
PFT-IDN-S111-S
PFT-IDN-S111-S
  • Output - Pulse
  • Body Material - 316 Stainless Steel
  • Connection - 1-1/2" NPT
1 - 9 of 9 Part Numbers

Specifications

Approvals & Certifications

  • CE

Bearing Material

  • PTFE

Consumption

  • 40 mA

Electrical Connectors

  • 22 AWG 20” (6.1 m) to 2,000” (609 m) Shielded UL Typical PTLC Rated 105° C

Enclosure, Body Material

  • 316 Stainless Steel
  • Brass

Environmental Protection

  • IP67
  • NEMA 6P

Flow Rate

  • Liquids: 0.37 to 7.62 mps (1.2 to 25 FPS)

Frequency

  • 3.2 to 200 Hz

Junction

  • NPN Open Collector with Square Wave Output

Linearization

  • ± 1.0 % of Full Scale

Media

  • Water-based Fluids

NPT Connection

  • 1-1/2” NPT Male
  • 2” NPT Male

O-Ring Material

  • Buna-N
  • FKM
  • Silicone

Output

  • 4-20 mA
  • 60 V at 50 mA

Pipe Size

  • 3” to 24”

Power Requirement

  • 10-35 Vdc

Pressure Range

  • bar: 22.4 to 27.6
  • kPa: 2,240 to 2,760
  • psig: 325 to 400

Pressure Type

  • Gauge

Repeatability

  • ± 0.5 % of Full Scale

Shaft Material

  • 316 Stainless Steel
  • Tungsten Carbide

Wetted Materials

  • 316 Stainless Steel

  • Irrigation
  • Ground Water Remediation
  • Cooling Systems
  • Pump Protection
  • Leak Detection
  • Filtration Systems
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