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Industrial platinum thermal resistance sensor

1, Application of industrial platinum thermal resistance sensor

It is usually used in conjunction with display instruments, recording instruments, and electronic calculations. Directly measure the surface temperature of liquid, steam and gas medium and solid surface in the range of -200°C~500°C in the production process.

2, Features of industrial platinum thermal resistance

     • Compression spring type temperature sensing element, good anti-vibration performance;
     • No need to compensate the wire, saving cost;
     •High temperature measurement accuracy;
     • High mechanical strength, good pressure resistance;
     •Imported thin-film resistor elements with stable performance.

3. The working principle of industrial platinum thermal resistance

     Thermal resistance uses the characteristics of a substance that changes in temperature and its resistance changes with it to measure temperature. When the resistance value changes, the working instrument will display the temperature value corresponding to the resistance value.

4. The main technical parameters of industrial platinum thermal resistance

     Product performance standards
     IEC751
     JB/T18622-1997
     JB/T8623-1997

5. Insulation resistance at room temperature

The temperature of the platinum thermal resistance is 15-35°C, the relative humidity is not more than 80%, and the test voltage is 10-100V (DC). The insulation resistance between the electrode and the outer tube>100MΩ.

6. Measuring range and tolerance of platinum thermal resistance

Model number Index number Temperature range Accuracy class Allowable error
WZP Pt100 -200-+500 Class A ±(0.15+0.002) ltl
Class A ±(0.30+0.005) ltl
WZC Cu50  Cu100 -50-+100 --- ±(0.30+0.005) ltl

7. Junction box form

Junction box form of industrial platinum thermal resistance

8. Model naming method of industrial platinum thermal resistance

Model naming method of industrial platinum thermal resistance

9. Temperature sensing element of industrial platinum thermal resistance

Temperature sensing element of industrial platinum thermal resistance
Name Model number Index number Temperature measurement range specification
d L
Single platinum thermal resistance WZP-101 Pt100 -200-500°C Ø3
Ø4
Ø5
Ø6
310
360
410
460
510
560
Double platinum thermal resistance WZP2-101

Wiring method of industrial platinum thermal resistance
Wiring method of industrial platinum thermal resistance
10. Assembly thermal resistance selection table
No fixed device thermal resistance Fixed thread type thermal resistance
No fixed device thermal resistance, selection table Fixed thread type thermal resistance, selection table
Movable flange type thermal resistance Fixed flange type thermal resistance
Movable flange type thermal resistance, selection table Fixed flange type thermal resistance, selection table
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