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Fixed Threaded Conical Thermoresistor
- Product Description
-
Fixed Threaded Conical Thermoresistor
1. Applications
Typically used in conjunction with indicating instruments, recording instruments, electronic controllers, and other devices. It directly measures the temperature of liquid, steam, gas media, and solid surfaces within the range of -200℃ to 500℃ in various industrial processes.
2. Features
· Spring-loaded temperature-sensing element with excellent vibration resistance;
· No compensation leads required, reducing costs;
· High measurement accuracy;
· High mechanical strength and excellent pressure resistance;
· Imported thin-film resistor elements ensuring reliable and stable performance.
3. Operating Principle
A thermoresistance measures temperature by exploiting the property that the electrical resistance of a material changes with temperature. When the resistance value varies, the measuring instrument displays the corresponding temperature.
4. Main Technical Parameters
Product Compliance Standards
IEC751
JB/T18622-1997
JB/T8623-1997
5. Ambient Temperature Insulation Resistance
The insulation resistance between the electrode and the sheath of the thermal resistor shall be greater than 100 MΩ when the ambient temperature is between 15–35°C, relative humidity does not exceed 80%, and the test voltage is 10–100 V (DC).
6. Measurement Range and ToleranceModel Number Temperature Scale Temperature Measurement Range Accuracy Class Permissible Error WZP Pt100 -200-+500 A grade ±（0.15+0.002） ltl B grade ±（0.30+0.005） ltl WZC Cu50 Cu100 -50-+100 －－- ±（0.30+0.005） ltl 7. Model and Specifications
Name Model Thermocouple Type Measurement Range Specification d L Single-element platinum resistance thermometer WZP-101 Pt100 -200-500°C φ3 φ4
φ5
φ6
310 360
410
460
510
560
Double-element platinum resistance thermometer WZP2-101 8. Selection Chart for Fixed Threaded Conical Thermistors (The company can also custom-make various special models of thermocouples, resistance thermometers, bimetallic thermometers, and flanged thermowells according to samples or drawings)
Product Model Thermocouple Type Temperature Range (°C) Thermal Response Time Dimensions (mm) d L x l WZP-620 WZP2-620
Pt100 -200—500 <90S φ15 300x150
350x200
400x250
450x300
500x350
650x500
WZP-620A WZP2-620A
<24S WZP-630 WZP2-630
<45S WZP-630A WZP2-630A
<24S WZC-620 WZC-620A
Cu50 Cu100
-50—100 <120S <40S WZC-630 WZC-630A
<120S <40S 1) Models 620 and 621 are splash-proof, with an IP65 protection rating;
2) Models 630 and 631 are waterproof, with an IP65 protection rating;
3) The protective sheath is made of 1Cr18Ni9Ti; other materials are available upon agreement;
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