Digital air humidity controller WH8040 with function of humidification and dehumidification / hysteresis function /
humidity correction / delay protection / function of upper and lower limit with wide humidity measuring range and controlling range. This digital air humidity controller WH8040 comes with a humidity controller sensor probe with cable and a temperature sensor probe with cable, humidity measuring range 1% - 99%, RH humidity controlling range 1% - 99% RH, humidity measuring error 3%, resolution 1% RH, sensor type HM-40, power suppler AC 220V, current MAX 200MA, data retention, power consumption < 3W max 200mA, relay contact current AC 5A/220V, temperature compensation, data retention, working temperature 0°C - 50 °C, storage temperature -10°C - 60 °C, size 83 x 75 x 33mm.