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RFA Type Electronic Flow Sensor
Brand: Gems Sensors, IncGEMS 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.
RFA Types feature a 0 to 10 Vdc Analog output which is proportional to flow rate.
Features- 0 to 10 Vdc analog output which is proportional to flow rate
1 - 12 of 16 Part Numbers
230201
- Body Material - Polypropylene
- Port Size - 1/2" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 4.0 to 20.0 (± 15.0%)
230202
- Body Material - Brass
- Port Size - 1/4" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 0.5 to 5.0 (± 7.0%)
230203
- Body Material - Brass
- Port Size - 1/2" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 4.0 to 20.0 (± 15.0%)
230204
- Body Material - Stainless Steel
- Port Size - 9/16"-18 Male NPT
- Flow Range (GPM) - Standard Range (Accuracy): 0.5 to 5.0 (± 7.0%)
230205
- Body Material - Polypropylene
- Port Size - 1/4" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 0.5 to 5.0 (± 7.0%)
230206
- Body Material - Polypropylene
- Port Size - 1/4" NPT
- Flow Range (GPM) - Low Range (Accuracy): 0.1 to 1.0 (± 7.0%)
230207
- Body Material - Polypropylene
- Port Size - 1/2" NPT
- Flow Range (GPM) - Low Range (Accuracy): 1.5 to 12.0 (± 7.0%)
230208
- Body Material - Stainless Steel
- Port Size - 1/2" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 4.0 to 20.0 (± 15.0%)
230209
- Body Material - Brass
- Port Size - 1/4" NPT
- Flow Range (GPM) - Low Range (Accuracy): 0.1 to 1.0 (± 7.0%)
230210
- Body Material - Brass
- Port Size - 1/2" NPT
- Flow Range (GPM) - Low Range (Accuracy): 1.5 to 12.0 (± 7.0%)
230211
- Body Material - Stainless Steel
- Port Size - 9/16"-18 Male NPT
- Flow Range (GPM) - Low Range (Accuracy): 0.1 to 1.0 (± 7.0%)
230212
- Body Material - Brass
- Port Size - 3/4" NPT
- Flow Range (GPM) - Standard Range (Accuracy): 5.0 to 30.0 (± 10%)
1 - 12 of 16 Part Numbers
Specifications
Brand
Accuracy
- ± 15 %
- ± 7 %
Ambient Temperature Range
- Electronic: 65° C (150° F)
Applications
- Chemical Metering Equipment
- Chillers & Heat Exchangers
- Lasers & Welders
- Semiconductor Process Tools
- Water Injection Systems
Consumption
- 25 mA - Max.
Electrical Connectors
- 22 AWG PVC-Jacketed, 24” Cable
Enclosure Finish
- Rotor: Black
Enclosure, Body Material
- 316 Stainless Steel
- Brass
- Polypropylene
Flow Rate
- 0.1 to 60 gpm
Input Power
- 24 Vdc ± 10 %
Lens
- Polysulfone
Materials of Construction
- Low Flow Adaptor: Glass Reinforced Polypropylene
- Rotor Pin: Ceramic
- Rotor: PPS Composite
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 3/4” NPT Female
- 9/16”-18 NPT Female
O-Ring Material
- Buna-N (Polypropylene Body)
- Viton (Alloy Bodies)
Operating Pressure
- Brass or Stainless Steel Body psig: 100 (kPa: 690, bar: 6.9) at 100° C (212° F) - Max.
- Brass or Stainless Steel Body psig: 200 (kPa: 1,380, bar: 13.8) at 21° C (70° F)
- Polypropylene Body psi: 40 (kPa: 280, bar: 2.8) at 82° C (180° F) - Max.
- Polypropylene Body psig: 100 (kPa: 690, bar: 6.9) at 21° C (70° F)
Operating Temperature
- Brass or Stainless Steel Body: -29° to 100° C (-20° to 212° F)
- Polypropylene Body: -29° to 82° C (-20° to 180° F)
Output
- Current Source Output: 10 mA - Max.
- Output Signal: 0-10 Vdc at 1 mA - Max.
Pressure Range
- bar: 2.758 to 13.79
- kPa: 275.8 to 1379
- psi: 40 to 200
Viscosity
- 200 SSU
- Water Purification/Dispensing Systems
- Chemical Metering Equipment
- Lasers and Welders
- Water Injection Systems
- Semiconductor Processing Equipment
- Chillers and Heat Exchangers