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A thermocouple consists of two conductors of different materials (usually metal alloys) that produce a voltage in the vicinity of the point where the two conductors are in contact.
The voltage produced is dependent on, but not necessarily proportional to,the difference of temperature of the junction to other parts of those conductors.
Thermocouples are a widely used type of temperature sensor for measurement and control and can also be used to convert a temperature gradient into electricity.
Thermocouples are a widely used type of temperature measurement and control,and can also convert a temperature gradient into electricity.
Commercial thermocouples are inexpensive,interchangeable, are supplied with standard connectors, and can measure a wide range of temperatures.
Ref No. | PT100/PT500/PT1000 |
Thermal element materials | Platinum |
Accuracy Class | A/B |
Ways of Mounting & Fixing | Without fixing device |
Fixed compression thread | |
Movable compression thread | |
Fixed compression flange | |
Movable compression flange | |
Shock-resistant & Anti-leakage compression thread | |
Types of connections box | Connection seat type |
Anti-spray (Protection class: IP65) | |
Water-proof (Protection class: IP67) | |
Round plug type | |
Flag plug type | |
Small Connection type | |
Compensation wire type | |
Types of sensor end | insulation type |
Diameter of thermowell | Ø3 Ø4 Ø5 Ø6 Ø8 Ø12 Ø16 |
Measuring range | -200~+450 degree Celsius |
Special character of thermal resistance: | |
1. short thermal response time; | |
2. high quality film resistor with stable performance. | |
Work principle of thermal resistance: | |
When temperature of object changes, the resistance will change accordingly to measure temperature. | |
When the resistance value changes, the working meter will display relevant temperature. |
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