Thermocouple and Resistance Temperature Detector (RTD’S) are the sensing devices used for measuring the Oil temperature, Mold temperatures, Heating Platen Temperatures and the Injection unit temperatures.

RTD’S can mesure temperatures upto 400˚c, where as Thermocouple can measure temperatures upto 1600˚c. There are ‘J’, ‘K’ & ‘R’ Type Thermocouples.