Automatic controls for ventilation and air conditioning systemsSensorsAir Thermostat with Capillary TubeSeriesMC CT6961-30 (60) Used to measure air temperature. Has a two-way NO, NC contact. Measured temperature range: from -15 to +15 °С. Operating differential: from 3 °С to 15 °С. Length of capillary tube: 3m (6m). Maximum voltage of the terminals: 220V, 16A.