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SERIES PFT Paddlewheel Flow Sensor
Description: The Series PFT Paddlewheel Flow Sensor is designed to accurately monitor liquid flow rates in pipes ranging from 1-1/2 to 40˝. Available in both brass and 316 SS body options, this sensor offers versatile wetted material choices to suit various applications. It outputs either a frequency proportional pulsed signal or a 4 to 20 mA linear output. With bearings and shafts providing excellent wear protection, the PFT sensor ensures long-term reliability, even in applications with particulate matter. Its weatherproof and submersible design makes it suitable for irrigation applications, while its non-magnetic sensing technology enables low flow rate monitoring without concerns about magnetic material interference.
Features:
- Bearings and shafts offer excellent wear protection for long life.
- Weatherproof and submersible rated for irrigation applications.
- Adjustable over a large pipe size range, reducing the need for multiple units.
- Multiple wetted material choices for application versatility.
- Integral 4 to 20 mA output with no need for additional external components.
- Non-magnetic sensing technology enables low flow rate monitoring without magnetic material concerns.
Applications:
- Irrigation systems.
- Groundwater remediation.
- Cooling systems.
- Pump protection.
- Leak detection.
- Filtration systems.
Specifications:
- Service: Water-based fluids.
- Range: 1.2 to 25 ft/s (0.37 to 7.62 m/s).
- Wetted Materials: Brass or 316 SS body; impeller: 316 SS; shaft: Tungsten carbide or 316 SS; bearing: PTFE.
- 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 or 1-1/2˝ BSPT male standard.
- Output: Pulse: NPN open collector with square wave output, 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.
- Enclosure Rating: NEMA 6P (IP67).
- Housing Materials: Brass or 316 SS.
- Weight: 3 lb (1.36 kg).
- Agency Approvals: CE.
Part Numbers:
PFT-IAN-B311-S Paddlewheel Flow Sensor Brass IP 67 BSPT Insertion Style for 1-1/2 to 40˝ Pipe 4-20mA
PFT-IAN-S311-S Paddlewheel Flow Sensor 316 SS IP 66 BSPT Insertion Style for 1-1/2 to 40˝ Pipe 4-20mA
PFT-IDN-B311-S Paddlewheel Flow Sensor Brass IP 67 BSPT Insertion Style for 1-1/2 to 40˝ Pipe Pulse
PFT-IDN-S311-S Paddlewheel Flow Sensor 316 SS IP 66 BSPT Insertion Style for 1-1/2 to 40˝ Pipe Pulse
Please refer to the datasheet to check models capabilities.
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