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RHP-2R1B | OSA humidity/temperature transmitter with 2% sensor | 4 to 20 mA humidity output | 10K type II thermistor temperature output with radiation shield. | Dwyer Instruments

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Details for RHP-2R1B

Industrial Strength Humidity Monitoring: RHP-2R1B Dwyer InstrumentsThe Dwyer Instruments RHP-2R1B is an industrial-grade humidity sensor designed to provide precise and reliable humidity measurements for various applications, particularly in demanding outdoor environments. This robust sensor features a 4-20mA output and a humidity range of 2%RH, making it ideal for critical industrial processes and applications. Features: - 4-20mA Output for easy integration into industrial control systems - 2%RH Humidity Range for precise humidity measurements - Suitable for Outdoor Use with durable construction and weather-resistant housing - Reliable and Accurate Measurements for critical industrial processes Applications: - HVAC systems monitoring - Environmental control systems - Industrial process control - Greenhouses and agricultural applications - Outdoor monitoring and weather stations With its exceptional accuracy, durability, and ease of use, the Dwyer Instruments RHP-2R1B is the preferred choice for industrial engineers and maintenance professionals seeking reliable humidity monitoring solutions. Shop now at our HVAC supply store for the best prices and fast shipping on Dwyer Instruments products!

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. Featuring polymer capacitance humidity sensors, models are available in 2%, 3% or 5% accuracies. Duct mounted transmitters are available with an optional two-line alpha numeric LCD display.

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

NIST CALIBRATION available in Product Configurator.

Product Applications

Air economizers
Outdoor temperature and relative humidity reference
Pool room humidity monitoring

2%, 3%, or 5% accuracy models
Optional LCD display on duct mount models
Radiation shield option for outdoor installation in direct sunlight

Specifications

Series: RHP HUMIDITY/TEMPERATURE TRANSMITTER
Relative Humidity Range: 0 to 100% RH.
Temperature 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 (±0.5°C @ 25°C).
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).
Power Requirements: 4-20 mA loop powered models: 10-35 VDC; 0-5/10 V outputmodels: 15-35 VDC or 15-29 VAC.
Output Signal (Model Dependent): 4-20 mA; 0-5/10V @ 5 mA max.
Response Time: 15 s.
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: >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 Material: Duct mount sensor tube: PVC-UL 94 V-0; Duct mount sensorcap: Polycarbonate ABS blend-greater than UL 94 V-0; Duct mount electronicshousing and cover: Makrolon® polycarbonate-UL 94V-HB; OSA: Polycarbonate.
Enclosure Rating: Duct mount: NEMA 4X (IP66) for housing only; OSA: NEMA 4X (IP66).
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.