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Expert Thermocouple & RTD &Temperature Sensor Manufacturer.

The difference between thermal resistance and thermocouple

Among many devices, thermal resistance and thermocouple is the use of common, they are equivalent to a temperature sensor, measurement accuracy is relatively high, although very similar, but there are many different, such as different materials, measuring the temperature range, and so on, therefore in the process of actual use, don't be confused between the two, at least we should know the difference between the two.

the distinction between thermocouple and thermal resistance method one: according to the sign is to determine the thermocouple or heat resistance, nameplate on concrete have the thermocouple or heat resistance specifications and product information, we can tell as long as careful observation and distinguish is the thermocouple or heat resistance.

the distinction between thermocouple and thermal resistance method 2: according to the structure is to differentiate between the thermocouple or heat resistance, thermocouple generally by the hot electrode, insulation pipe, casing protection and junction box parts, such as heat resistance is the sensor output is in series with the load and power supply.

the distinction between thermocouple and thermal resistance method three: through the wiring board to determine, there are negative to distinguish between the thermocouple, not is negative to distinguish is the thermal resistance. The distinguish method is simpler, can try oh.

the distinction between thermocouple and thermal resistance method 4: judging by compensation wire, thermocouple line need to choose different according to different types of compensation, compensation line connection to increase the temperature stability of the thermocouple, thermal resistance and don't need compensation wire, but the thermal resistance points of different models.

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