1、Scope of application
The products are widely used in petroleum, chemical, metallurgy, electric power and other factories, mines and scientific research departments in the temperature measurement and control system。

2、Implementation of standards
GB/T4989-94 JB/T7495-94 　　IEC584-3

3、Features and use of property
With the proof, apply to chemical, petrochemical willing to have explosive gas and dust control system and other harsh environments and intrinsically safe circuits. This product is negative coloring by GB/T4989-94 standards, as the blue jacket and front in the product model code-named "ia"
The product should be pregnant with the corresponding supporting the use of thermocouples, S-based compensation can be equipped with R-type thermocouple 。

4、Main technical indicators