GEMS Sensors popularized the RotorFlow’s paddlewheel design by combining high visibility rotors with solid-state electronics that are packaged into compact, panel mounting housings. They provide accurate flow rate output with integral visual confirmation...all with an unprecedented price/performance ratio. Typical applications include Water Purification/Dispensing Systems, Chemical Metering Equipment, Lasers and Welders, Water Injection Systems, Semiconductor Processing Equipment, Chillers and Heat Exchangers. - Body: Brass, Stainless Steel or Polypropylene (Hydrolytically Stable, Glass Reinforced)
- Rotor Pin: Ceramic
- Rotor: PPS Composite, Black
- Lens: Polysulfone
- O-Ring: Viton® (Brass Body); Buna N (Polypropylene Body)
- Low Flow Adaptor: Glass Reinforced Polypropylene
- Port Size: 1/4½ NPT to 1½ NPT
- Operating Pressure: Brass or Stainless Steel Body 200 PSIG, Maximum: Polypropylene Body 100 PSIG at 70°F, 40 PSI Max. @ 180°F
- Operating Temperature: Brass or Stainless Steel Body -20°F to 212°F (-29°C to 100°C); Polypropylene Body -20°F to 180°F (-29°C to 82°C)
- Electronics: 150°F (65°C) Ambient
- Viscosity: Maximum 200 SSU
- Input Power: RFO Type 4.5 VDC to 24 VDC; RFA Type 24 VDC, ±10%
- Output Signal: RFO Type 4.5 VDC to 24 VDC Pulse -pulse rate dependent on flow rate, port size and range: RFA Type 0-10 VDC Analog Signal @ 1mA, Max.
- Current Consumption: RFO Type 8 mA, No Load; RFA Type 25 mA, Max.
- Current Source Output: Max. 70 mA
- Frequency Output Range: 25 Hz (Low Flow) to 225 Hz (High Flow)
- Electrical Termination: 20 AWG PVC-Jacketed, 24” Cable.
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