Specification :

The EWHS 280 humidity sensor is a probe designed to be connected to a humidity measuring device.
Output signal is a current signal (4...20 mA).

TECHNICAL DATA

* Protection rating: IP54

* Mounting: use the clip supplied together with the sensor

* Electrical connections: PVC twin wire

* Connection cable: 1.5 m (4.9') or 3.0 m (9.8')

* Dimensions (mm): 103x25

* Power supply: 9…28 Vcc

* Power input: 20mA max

* Ambient temperature: -10…+60°C (14° to 140°F)

* Ambient humidity: 0…100% RH

* Humidity sensor: resistive

* Humidity measurement range: 15…90% RH

* Output current of humidity measurement: 4 (20%)…20mA (100%)

* Response time under constant conditions (63%) at 23°C (73.4°F): 60 seconds

* Saturation recovery time: 360 seconds

* Storage temperature: -20…+70°C (-4 to 158°F)

* Number of connection wires: 2 (dark blue: power supply; brown: output)

* Maximum load: 250 Ohm

* Humidity measurement accuracy (23 °C/73.4°F) : ±5% RH (15..90% RH) (es. 40% RH --> min 35% RH ... max 45% RH)

* Air filter: wire mesh

* Reverse polarity protection: by diode

* Max. air speed: 20m/s