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CẢM BIẾN NHIỆT ĐỘ VÀ ĐỘ ẨM - SERIES RHP

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 Series RHP

Humidity/Temperature Transmitter
Passive Temperature Outputs, Sintered Filter Options

The Series RHP Temperature and Humidity Transmitter combine the voltage or current humidity transmitter output with a passive temperature thermistor or RTD output. The polymer capacitance humidity sensor is not affected by condensation, fog, high humidity, or contaminants. The humidity sensors are available with 2% or 3% accuracies. Duct mounted transmitters are available with an optional two-line alpha numeric LCD display. The Series RHP is available with interchangeable filter options as well as replaceable sensors. 

For models with resistive thermistors or RTD outputs, please click here for temperature to resistance lookup tables. 

Application Note: 
For duct mount installations, the sintered filter option should be ordered for applications where the humidity transmitter is mounted in the supply air duct after the fan and cooling coils. 

Specifications:

  • Relative Humidity Range: 0 to 100% RH.
  • Temperature Range: -40 to 140°F (-40 to 60°C).
  • Accuracy, RH: Model RHP-2XXX ±2% 10-90% RH @ 25°C; Model RHP-3XXX ±3% 20-80% RH @ 25°C.
  • Accuracy, Thermistor Temp Sensor: ±0.22°C @ 25°C (±0.4°F @ 77°F).
  • Accuracy, RTD Temp Sensor: DIN Class B; ±0.3°C @ 0°C (±0.54°F @ 32°F).
  • Hysteresis: ±1%.
  • Repeatability: ±0.1% typical.
  • Temperature Limits: -40 to 140°F (-40 to 60°C).
  • Storage Temperature: -40 to 176°F (-40 to 80°C).
  • Compensated Temperature Range: -4 to 140°F (-20 to 60°C).
  • 4-20 mA Loop Powered Models: Power Requirements: 10-35 VDC. Output Signal: 4-20 mA.
  • 0-10V Output Models: Power Requirements: 15-35 VDC or 15-29 VAC. Output Signal: 0-10V @ 5 mA max.
  • Response Time: 15 seconds.
  • Electrical Connections: removable screw terminal block.
  • Conduit Connection: Duct Mount: 1/2" NPS; OSA: 1/2" (22.3 mm).
  • Drift: <1% RH/year.
  • RH Sensor: Capacitance polymer.
  • Temperature Sensor: Curves A,B,C; Thermistor; Curves D,E; Platinum RTD DIN 385. (See R-T Lookup Table).
  • Enclosure: Duct Mount: PBT; OSA: Polycarbonate.
  • Enclosure Rating: NEMA 4X (IP65) for OSA mount only.
  • Display: Duct Mount only, Optional 2-line alpha numeric, 8 characters/line.
  • Display Resolution: RH: 0.1%; 0.1°F (0.1°C).
  • Weight: Duct Mount: .616 lb (.3 kg) OSA: 1 lb (.45 kg).
  • Agency Approvals: CE.

ACCESSORIES:

  • A-452 - Sintered filter, 1/4 NPSM.
  • A-453 - Filter cap, 1/4 NPSM.
  • RHRS - Radiation shield for sintered filter version RH transmitters.
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