PT100 transverse thermal resistance system structure1

Transverse thermal resistance system structure

( 1) Proficient in thermal resistance: industrial commonly used thermal resistance temperature components ( The resistor body) The structure and characteristics. As to eliminate the influence of the lead resistance with the three wire or four wire system.

( 2) Armored thermal resistance: it is generally from 2 ~ 8 mm of diameter, minimum of phi mm. Compared with the normal thermal resistance, it has the following advantages:

(1) small volume, no internal air gap, thermal inertia, small measuring hysteresis;

2. Good mechanical properties, resistance to vibration and impact resistant;

3. Can bend, easy to install

4. Long service life.

end thermal resistors,

generally by the thermal resistance, heat resistance temperature measurement system connecting wires and display instrument, etc. Must pay attention to the following two points:

(1) thermal resistance and the index number of the display instrument must agree

(2) in order to eliminate the influence of the connection wire resistance change, must use three wire connection.

the end the application of thermal resistance

compensation wire armoured thermal resistance element in thermometer front, compared with general axial thermal resistance, the transverse thermal resistance can be more correctly and quickly reflect the actual temperature condition of the end face being measured, the method of making it a lot, varieties of forms, suitable for power plant steam turbine and motor bearing shell or other body surface temperature measurement. Some transverse thermal resistance because of its lead when installation and resistance element is connected, so will lead to transverse thermal resistance synchronous rotation, so as to ensure that the transverse thermal resistance in the installation is not artificial damage, but the actual installation process to avoid appear this kind of circumstance. Due to the emergence of this situation, rico company intensify research successfully developed a special transverse thermal resistance, the transverse thermal resistance outside the installation time only need to twist the screw is ok, don't need to lead and transverse thermal resistance synchronous rotation.

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