EHRH Relative Humidity Transmitter | Telaire

Precision humidity and temperature transmitter for HVAC control applications
Analog outputs 0-5, 0-10V, 4-20mA.
Field replaceable humidity/temp sensor.
Highly repeatable and stable measurement
Field selectable analog output options
Standard passive and active temperature outputs.
Mounting plate with two-piece terminal blocks provide quick, easy wiring
2 year warranty
Euro and US sized available
Display and non-display versions available
Waterproof Sensing Element and Housing
Compact Transmitter with Built-in Sensor
Bulk Polymer Resistance RH Sensor
Resistant to Contamination
Thermistor Temperature Measurement
Temperature Compensation

Humidity
Sensing Element	Resistance change of bulk polymer sensor
Accuracy at 77°F (25°C)	±2% RH. 30 to 95% RH including hysteresis, linearity, and repeatability.
Temperature Effect	Less than 0.11% per ºF (0.06% per ºC)
Sensitivity	0.1% RH
Repeatability	0.5% RH
Linearity	See accuracy
Hysteresis	Less than 1%
Operating Range, Sensor & Electronics	0% to 100% RH, -20ºC to 54ºC (-4ºF to 129ºF)
Maximum Air Velocity	10,000 ft/minimum (3,048 m/minimum)
Output Ranges	4 to 20 mA current, two-wire, loop-powered for 0 to 100%, RH (standard) into 0 to 900 Ω

Temperature
Sensing Element	Thermistor, 10 KΩ at 77°F (25ºC), two-wire measurement
Accuracy at 77°F (25ºC)	±0.5ºF (±0.3ºC). Also available with 100 (RTD with 4 mA to 20 mA analog output.

Adjustment
Zero	±20%, non-interactive
Span	±10%, non-interactive
Long Term Stability	Less than 2% drift per year typical

Consult factory for further information.