Sheathed thermal resistance is a kind of temperature sensor, measuring the temperature by the character of the material that if the material changes its temperature, so does the resistance of it. When the resistance changes, the working instrument will display the corresponding resistance temperature value. The diameter of it is smaller than that of the assembly type platinum resistance and it is easily bending, which determines that it is suitable for mounting in the narrow and special occasions, such as miniaturization that requires quick response.
Sheathed thermal resistance can automatically detects the temperature of the gas liquid medium and solid surface range of -200~600 DEG C, and can be directly used to connect with the copper conductors and secondary meter. And since it has the good output characteristics of power, it can provide accurate input values for display instrument, recorder, regulator, scanner, data recorder, computer and so on. For another thing, sheathed thermal resistance adopts the protective cover made of stainless steel and be filled with high-density oxide insulator material, therefore, the sheathed thermal resistance has strong anti pollution performance and mechanical strength, which also makes it suitable for installation in the harsh environment applications.
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