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At present, temperature sensors are more and more used in different fields, and some problems will inevitably occur in the process of use. In general, the failure of the temperature sensor is rare, as long as the factory is carefully tested, these situations can be avoided, so the temperature sensor in the factory when a place to test, customers can also find the sensor manufacturer to ask for factory testing report for reference.
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Temperature sensor technology has been very mature, it is very common in various factories, temperature sensors are often used with some instruments, and there are often some small failures in the process of supporting use. Therefore, here are several common failures and solutions after the failure:
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First, when the temperature of the measured medium rises or falls, the transmitter output does not change, which is mostly a problem of sealing the temperature sensor, which may be due to the fact that the temperature sensor is not sealed well or the sensor is accidentally welded with a small hole when welding, which generally requires replacing the sensor housing only 3\/5
Second, the output signal is unstable, this reason is the cause of the temperature source, the temperature source is an unstable temperature, if the instrument display is unstable, that is the reason why the anti-interference ability of the instrument is not strong.
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Third, the output error of the transmitter is large, and there are more reasons for this situation, which may be that the resistance wire of the selected temperature sensor is not correct leading to the wrong range, and the sensor may not be calibrated well when it is delivered.
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Temperature sensor failure is very rare, as long as the factory is carefully tested, these situations can be avoided, so the temperature sensor in the factory when a place to test, customers can also find the sensor manufacturer for factory testing report for reference.