Relative Humidity Sensor
Model Number : Relative Humidity Sensor
The RH-5X is a low-cost continuous measurement relative humidity sensor. This sensor is compatible with NRG Systems' Symphonie data loggers equipped with an NRG iPack and Relative Humidity Signal Conditioning Module (SCM).
The RH-5X uses a polymer resistor sensor, which provides excellent linearity and sensitivity with fast response time and long-term stability. Mounts to underside of shelter box and includes 1.5 m (5 feet) of cable, mounting bracket, and one hose clamp.
Description
| Sensor type | polymer resistor humidity sensor |
|---|---|
| Applications |
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| Sensor range | 0 to 100% relative humidity |
| Instrument compatibility | Symphonie with RH5 SCM + any iPack |
Output signal
| Signal type | linear analog voltage |
|---|---|
| Transfer function | % Relative Humidity = Voltage x 20 |
| Accuracy |
|
| Output signal range | 0 to 5V for 0 to 100% RH, with a load resistance greater than 10 k ohms |
Power requirements
| Supply voltage | 10 V to 30 V DC, 12 V at 2.6 mA typical |
|---|
Installation
| Mounting | uses a sheet metal bracket with a hose clamp, to be mounted to the tower, under the shelter box |
|---|---|
| Tools required | 8 mm (5/16 inch) nut driver or wrench |
Environmental
| Operating temperature range | -40°C to 70°C (-40°F to 158°F) |
|---|---|
| Operating humidity range | 0 to 100% relative humidity |
Physical
| Connections | wire leads, 3 conductor shielded cable:
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|---|---|
| Cable length | 1.5 m (5 feet) |
| Weight | 0.62 kg (1.36 pounds) |
| Dimensions | 110 mm (4.3 inches) x 109 mm (4.3 inches) x 50 mm (2.0 inches) enclosure dimensions, without the bracket or shroud |
Materials
| Cable | 3 conductor 22 AWG, with overall foil shield and drain wire, chrome PVC jacket |
|---|---|
| Enclosure | polystyrene plastic box with galvanized steel mounting bracket |
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NRG Sensor Connections to SymphoniePLUS.pdf(233.78 KB)
SymphoniePLUS Sensor Connection Instructions