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RHP-2D1B | Duct mount 2% RH/temperature transmitter with 4-20 mA RH output and 10K @ 25°C thermistor temperature output. | Dwyer Instruments

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Overview

Details for RHP-2D1B

The RHP-2D1B Duct Mount Humidity Sensor from Dwyer Instruments is a precision instrument designed to accurately measure humidity levels in air ducts. Featuring a robust construction, this sensor delivers reliable performance in demanding industrial environments. Its solid-state capacitive sensor element ensures accurate and stable humidity readings even in harsh conditions. The RHP-2D1B operates within a wide relative humidity range of 0 to 100% and a temperature range of -40Â°F to 150Â°F. The sensor's compact size and durability make it ideal for duct mounting in HVAC systems, industrial processes, data centers, and other controlled environments. Its output signal is compatible with most standard humidity controllers and monitoring systems. With its high accuracy, reliability, and ease of installation, the Dwyer Instruments RHP-2D1B Duct Mount Humidity Sensor is a valuable tool for maintaining optimal humidity levels and ensuring efficient operation of HVAC systems and industrial processes. Shop our HVAC supply store today for the best prices and fast shipping on the RHP-2D1B Duct Mount Humidity Sensor and all your industrial supply needs.

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
Category/Type: Air Quality
Type: Humidity / Temperature Transmitters
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.