The Dimlux Relative Humidity Sensor displays the ambient humidity on the Maxi Controller. If the RH sensor is connected, the Maxi Controller can also be used to switch on a humidifier. If the Vapor Pressure Deficit is to be displayed, the Dimlux Plant Temperature Camera and the Dimlux Ambient Temperature Sensor will also be required.

Available with either a 5 meter (16 ft) or 10 meter (33 ft) cable.