Thermostats TR Expansion Sensor
TR Thermostats are equipped with a measurement bulb, filled with liquid that expands itself as the temperature increases. Such expansion activates a changeover microswitch placed on the electric head, by means of a separation membrane. The adjustment knob, placed on the cover, allows adjusting the intervention point from 50 to 130°C by means of a scale.
Use / Characteristics
 
- Temperature range control from 50 to 130 °C.
- Bulb length 100 mm.
- Easy assembling.
 
The instruments are mainly used to control temperature in air-conditioning and heating industrial plants.