Thermocouple and RTD is the main thermal instruments measure temperature, recorder, indicator, display device is used in conjunction with measurement of gases, the temperature of the liquid.
Thermocouple, RTD temperature measurement is mainly thermal instrumentation, and automatic recording, indicator, digital instrument, such as with the use of a variety of measuring gas, liquid temperature.
Thermocouple, thermal resistance is the main instrument for temperature measurement, indicator and recorder, etc., using digital instrument with measuring various gas and liquid temperature.