| Description de l'article | Electronic hygrostat efr 012, AC 120 V, 65%R f / · adjustable and pre-set relative humidity · status indicator (LED) · high switching capacity · clip fixing · temperature-compensated the electronic hygrostat senses the relative humidity in an enclosure with electric/electronic components and turns on a heater at the set point, helping prevent the formation of condensation in the enclosure. The LED integrated in the adjustment knob is lit when the connected heater is in operation |