Product Description & Reviews
Series RHP Humidity/Temperature Transmitter. The SERIES RHP Temperature and Humidity Transmitter combine the voltage or current humidity transmitter output with a passive temperature thermistor or RTD output. Featuring polymer capacitance humidity sensors, models are available in 2%, 3% or 5% accuracies. APPLICATIONS: Air economizers; Outdoor temp and RH reference; Pool room humidity monitoring. FEATURES: 2%, 3%, or 5% accuracy models; Optional LCD display on duct mount models; Radiation shield option for outdoor installation in direct sunlight. RH Range: 0 to 100% RH. Temp Range: -40 to 140°F (-40 to 60°C). Accuracy, RH: RHP-2XXX ±2% 10 to 90% RH @ 25°C; RHP-3XXX ±3% 20 to 80% RH @ 25°C; RHP-5XXX ±5% 20 to 80% RH @ 25°C. Accuracy, Thermistor Temp Sensor: ±0.2°C @ 25°C (±0.36°F @ 77°F). Accuracy, RTD Temp Sensor: DIN Class B; ±0.3°C @ 0°C (±0.54°F @ 32°F). Accuracy, Solid State Band Gap: ±0.9°F @ 77°F (±0.3°C @ 25°C). Hysteresis: ±1%. Repeatability: ±0.1% typical. Temp Limits: -40 to 140°F (-40 to 60°C). Storage Temp: -40 to 176°F (-40 to 80°C). Compensated Temp Range: -4 to 140°F (-20 to 60°C). 4 to 20 mA Loop Powered Models: Power requirements: 10 to 35 VDC; Output signal: 4 to 20 mA. 0-5/10 V Output Models: Power requirements: 15 to 35 VDC or 15 to 29 VAC; Output signal: 0 to 10 V @ 5 mA max. Solid State Band Gap Temp Sensor Output Ranges: Switch selectable, -20 to 140°F (-28.9 to 60°C); 0 to 100°F (-17.8 to 37.8°C); 40 to 90°F (4.4 to 32.3°C); -4 to 140°F (-20 to 60°C). Response Time: 15 seconds. Electrical Connections: Removable screw terminal block. Conduit Connection: Duct Mount: 1/2" NPS; OSA: 1/2" (22.3 mm). Drift: Types 1, 2, 3: Solid state band gap; 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 (IP66) for OSA mount only. Weight: 1 lb (.45 kg). Agency Approvals: CE.
Features & Highlights
- Model RHP-3R1B : Outdoor Humidity/Temperature Combo Sensor, 3% Accuracy, Outside Air Mount with 40 Micron HDPE Filter and 6-disc Radiation Shield, RH Output 4-20 mA, Temperature sensor output 10K Ohm Type 2 Thermistor. No Display
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