Specifications

Relative Humidity Range:

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 selectable ranges.

Accuracy:

>RH: Model RHP-2XXX ±2% 10-90% RH @ 25°C, Model RHP-3XXX ±3% 20-80% 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:

±1%.

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).

4-20 mA Loop Powered Output:

>Power Requirements: 10-35 VDC.
Output Signal: 4-20 mA, 2 channels for humidity/solid state temperature sensor models (loop powered on RH).
Switch selectable RH/dew point. Switch selectable normal or reverse output.

0-5/10V Outputs:

>Power Requirements: 15-35 VDC or 15-29 VAC. Output Load: 5 mA max., 2 channels for humidity/solid state temperature sensor models.
Switch selectable 0-10V/2-10V or 0-5V/1-5V 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 to 32.3°C); -4 to 140°F (-20 to 60°C). (See R-T Lookup Table).

Response Time:

15 seconds.

Electrical Connections:

Screw terminal block.

Drift:

<1% RH/year.

RH Sensor:

Capacitance polymer.

Enclosure Material:

Warm gray polycarbonate.

Display:

Optional LCD, backlit on 0-5/10V models. 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:

0.3 lb (0.14 kg).

Agency Approvals:

CE.

Approvals

• CE_Approval

Product Reviews