product overview

Temperature is one of the important parameters that need to be measured and controlled in industrial production processes. Thermocouples are widely used in temperature measurement, with many advantages such as simple structure, convenient manufacturing, wide measurement range, high accuracy, low inertia, and easy remote transmission of output signals. In addition, as thermocouples are passive sensors that do not require an external power source for measurement, they are very convenient to use and are often used to measure the temperature of gases or liquids in furnaces and pipelines, as well as the surface temperature of solids.

working principle

The basic principle of thermocouple temperature measurement is that two conductors with different compositions form a closed circuit. When there is a temperature gradient at both ends, current will flow through the circuit, and there will be an electromotive force - thermoelectric force - between the two ends, which is called the Seebeck effect. Create a thermocouple calibration table based on the functional relationship between thermoelectric potential and temperature; The calibration table is obtained under the condition of a free end temperature of 0 ℃, and different thermocouples have different calibration tables.

Product Features

1. Simple assembly and easy replacement;

2. Spring type temperature sensing element with good seismic performance;

3. High measurement accuracy;

4. Large measurement range (-200 ℃~1300 ℃, in special cases -270 ℃~2800 ℃);

5. Fast thermal response time;

6. High mechanical strength and good pressure resistance;

7. High temperature resistance up to 2800 degrees;

8. Long service life.

Technical Parameter

Implementing the industry standard JB/T8025-1999 in accordance with GB/T30429-2013