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TRH11
Relative Humidity Sensor 4.20 MA Output

TRH 11 is a relative humidity probe of capacitive type with normalized output current signal 4 .. 20 mA by 2 wires

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Specifications & Spare Parts

Capacitive Humidity Sensor Specifications
Dimensions	80 x 80 mm, depth 52 mm
Enclosure Protection Class	IP 65
Mounting	Wall mounting
Connections	Screw terminals, 2.5 mm²
Measuring Range	0…100% RH (4…20 mA)
Overall Accuracy	±2% (10…95% RH), ±3% (0…10% and 95…100% RH); (without the presence of air at 23°C and air velocity at 3 m/s)
Further Errors (in presence of pollutants)	±2% RH
Response Time	30 sec. to reach 63% of the variation (at 23°C and with air speed at 3 m/s)
Recovery Time After Saturation	Approx. 90 sec.
Maximum Air Speed	20 m/s
Temperature Compensation	With NTC probe
Power Supply	9…30 VDC
Output Signal	4…20 mA (0…100% RH)
Recommended Cable for Connection	2 x 0.75 mm² or 2 x 1 mm²
Air Filter	Polyethylene air filter