The Ralston Hygrotherm is designed for accurate temperature and humidity control in electrical and electronic enclosures.","The Hygrotherm senses the ambient temperature and relative air humidity. Depending on which contact combination is chosen, it then turns on or off a connected device if either the temperature is below, or the humidity is above the set point. The integrated LED in each adjustment knob is lit indicating the active function.","Features","• Controls temperature & humidity • High Accuracy • Compact design • Easy to install • DIN rail mountable • High switching capacity • LED control lamp

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