WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD

WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD

Overview of WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD

As a temperature measurement sensor, the assembly thermal resistance is usually used in combination with display instruments, recorders and electronic regulators. According to national regulations, the assembly thermal resistance shall produce two types of assembly and unified design thermal resistance: PT100 platinum thermal resistance conforming to IEC international standard graduation and cu50 copper thermal resistance conforming to professional standard graduation.

Working principle of WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD

Thermal resistance is measured by the characteristics that the resistance of a substance changes as the temperature changes. Measure the temperature. When the resistance value changes, the working instrument will display the temperature value corresponding to the resistance value.
The assembled thermal resistance is composed of a temperature sensing element, an outer protective tube, a junction box, and fixing devices for various purposes. There are two specifications of single and double elements. The protective tube not only has corrosion resistance, but also has sufficient mechanical strength. Ensure that the product can be used safely in various occasions. The principle of temperature measurement: the resistance of the heated metal wire changes with the change of temperature, and the relationship between its thermal resistance value R(t) and its temperature t can be expressed as: R(t)=R0(1+At+Bt2+… …), the measured temperature value t can be obtained by checking the corresponding index table according to the measured resistance value.

Features of WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD

It has many advantages, good disassembly of parts, convenient maintenance, low cost of replacing wearing parts, can transmit electric signals remotely, high sensitivity, strong stability, interchangeability and accuracy. The normal temperature insulation resistance of the platinum thermal resistance should not be less than 100MΩ, and the normal temperature insulation resistance of the copper thermal resistance should be no less than 50MΩ. Widely used in petroleum, chemical and other production sites accompanied by various flammable and explosive gases and steam

Graduation: Pt100

Range: -30~300( A class)

-50~500(B class)

Thermal response time: <24s

Diameter: 16, 12

Note: Any special design or question of WZP-420G WZP2-420G WZP-421G WZP2-421G Assembly RTD , kindly contact the manufacturer for more details.