Get your Special Pricing!

Web Price:

$139.06

Availability: This product is currently available to purchase

Orders over $999 ship FREE*

*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms

Ship to Estimates

Are you from Chicago?

Yes / No

This item ships to

Change

Cancel

*shipping cost are estimated until you complete your order

The product is not cancelable or returnable unless found defective

Speak With a Technical Expert

Hours: 9am - 5pm CDT M-F

Call (847) 773-0645 Email Technical Expert

Documents: RHP-3N4B

Instruction Manual Series RHP-E/N Catalog Page RHP-E/N Dwyer slideshow More Info

RHP-3N4B | North American Wall Mount Humidity / Temperature Transmitter with 3% accuracy and universal current / voltage output for RH and 10K Type II thermistor Temperature Sensor | Dwyer

North American Wall Mount Humidity / Temperature Transmitter with 3% accuracy and universal current / voltage output for RH and 10K Type II thermistor Temperature Sensor

Brand: DwyerSKU: RHP-3N4B

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to RHP-3N4B

Jump to: Overview & Specifications Reviews

Overview Details for RHP-3N4B

See catalog product page for full listing

North American Wall Mount Humidity / Temperature Transmitter with 3% accuracy and universal current / voltage output for RH and 10K Type II thermistor Temperature Sensor

Series RHP-E/N Wall Mount Humidity/Temperature/Dew Point Transmitter

Optional LCD Display

The Series RHP-E/N Wall Mount Humidity/Temperature/Dew Point Transmitteris the most versatile room transmitter on the market. The stylish housing is well vented to provide air flow across the sensor to improve measurement accuracy. The humidity and the dew point are measured using a capacitive polymer sensorthat completely recovers from 100% saturation. The humidity and dew point canhave either a current or voltage output, while the optional temperature output canbe a current, voltage, RTD or thermistor. For models with current or voltage for thetemperature output, the temperature range is field selectable.

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

Product Applications

Air economizers
Room comfort monitoring
Greenhouse monitoring

Field selectable relative humidity or dew point output
Universal analog outputs
Integral or service tool LCD display options
Two housing designs to match North American and European aesthetics

Specifications

Series: RHP-E/N Wall Mount Humidity/Temperature/Dew Point Transmitter
Relative Humidity Range: 0 to 100% RH.
Temperature Range: -40 to 140°F (-40 to 60°C) for thermistor and RTD sensors.-20 to 140°F (-28.9 to 60°C) for solid state band gap temperature sensors.
Dew Point Temperature Range: -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) field selectableranges.
Accuracy: RH: Model RHP-2XXX ±2% 10 to 90% RH @ 25°C; Model RHP-3XXX ±3% 20 to80% RH @ 25°C; Model RHP-5XXX ±5% 20 to 80% RH @ 25°C;Thermistor temperature sensor: ±0.36°F @ 77°F (±0.2°C @ 25°C);RTD temperature sensor: DIN Class B; ±0.54°F @ 32°F (±0.3°C @ 0°C);Solid state band gap temperature sensor: ±0.9°F @ 77°F (±0.3°C @ 25°C).
Hysteresis: ±.8%.
Repeatability: ±0.1% typical.
Temperature Limits: Operating: -40 to 140°F (-40 to 60°C);Storage: -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 outputs: 10-35 VDC; 0-5/10Voutputs: 15-35 VDC or 15-29 VAC.
Output Signals: 4-20 mA loop powered outputs: 4-20 mA; 2 channels for humidity/solid state temperature sensor models (loop powered on RH). Switch selectableRH/dew point. Switch selectable normal or reverse output; 0-5/10V outputs: 5mA max.; 2 channels for humidity/solid state temperature sensor models. Switchselectable 0-10 V/2-10 V or 0-5 V/1-5 V output. Switch selectable RH/dew point.Switch selectable normal or reverse output.
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 to32.3°C); -4 to 140°F (-20 to 60°C).
Response Time: 8 s.
Electrical Connections: Screw terminal block.
Drift: <.25% RH/year.
RH Sensor: Capacitance polymer.
Enclosure Material: Polycarbonate.
Enclosure Rating: IP20.
Display: Optional LCD; Switch selectable %RH or dew point; °F/°C.
Display Resolution: RH: 1%; Temperature: 0.1°F (0.1°C); Dew Point: 1°F (1°C).
Weight: 4.4 oz (125 g).
Agency Approvals: CE.