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How to judge whether the Fuser thermistor is good or bad
- Categories:Industry news
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- Time of issue:2021-11-19 15:28
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How to judge whether the Fuser thermistor is good or bad
(Summary description)The manufacturer of Fuser thermistor tells you to test its resistance in an indoor environment first, and then hold the product with your hand to test to see if its resistance becomes smaller. If it changes, it means normal, otherwise it is abnormal.
- Categories:Industry news
- Author:
- Origin:
- Time of issue:2021-11-19 15:28
- Views:
The manufacturer of Fuser thermistor tells you to test its resistance in an indoor environment first, and then hold the product with your hand to test to see if its resistance becomes smaller. If it changes, it means normal, otherwise it is abnormal.
Note: Special instruments should be used for accurate measurement during testing.
The manufacturer of Fuser thermistor tells you that thermistor is a kind of sensitive element, according to the temperature coefficient is divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC). The manufacturer of Fuser thermistor tells you that the typical characteristic of thermistor is that it is sensitive to temperature and exhibits different resistance values at different temperatures. The positive temperature coefficient thermistor (PTC) has a higher resistance value when the temperature is higher, and the negative temperature coefficient thermistor (NTC) has a lower resistance value when the temperature is higher. They are both semiconductor devices.
However, it should be noted that the thermistor is not a semiconductor device under tax heading 85.41 in the import and export process.
The Fuser thermistor manufacturer tells you that you can use the heating method to detect the quality of the thermistor. The manufacturer of Fuser thermistor tells you to connect the two leads of the thermistor with two test leads of the multimeter resistance file, and then use a hot electric soldering iron (20W is fine) to heat the thermistor (close to the thermistor). For PTC thermistor, as the temperature rises, the resistance should increase; Fuser thermistor tells you that for NTC thermistor, as the temperature rises, the resistance should decrease. If the thermistor is heated, its resistance does not change, indicating that the thermistor has been damaged.
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