Velleman VM137 Thermostat Module

Description

Have a project that cannot get too hot? The Velleman VM137 Thermostat Module can keep it warm. When the temperature goes above a preset limit, the on board relay can turn on a fan. The VM137 can be adjusted from 41° to 86° Fahrenheit and 1.8° hysteresis a LED will indicate when the relay is active so you always know what’s going on. The relay features NO (Normally Open), NC (Normally Closed) and COM (Common) contacts. This module requires 12 Volts DC @ 100mA (sold separately).