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Precautions when using PTC electric heaters Do you ignore it?

Time2019-02-27

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  There are a lot of things to be aware of when using PTC electric heaters. Are you overlooking these details?

  Firstly, the PTC electric heater has a constant temperature heating characteristic. The principle is that the PTC thermistor is heated by self-heating to make the resistance value enter the transition zone, and the surface temperature of the PTC thermistor will maintain a constant value, and the temperature is only related to the PTC thermistor. The Curie temperature is related to the applied voltage and has nothing to do with the ambient temperature. The PTC heater is a heating device designed using the constant temperature heating characteristics of the PTC thermistor. In the case of medium and small power heating, PTC electric heaters are increasingly favored by engineers in the field of electric heating appliances because of their advantages of constant temperature heating, no open flame, high heat conversion rate and long natural life.

  Among them, the PTC electric heater does not require the operation of the temperature control system because the heating sheet has an automatic constant temperature characteristic. When in use, we only need to power the PTC heater directly.

  The PTC electric heater has a long service life. Under normal circumstances, if we maintain the normal environment, the PTC electric heater can be used for more than 10 years. Therefore, we must pay attention to the maintenance of the machine during use. If it is damaged, it will not be able to maintain the expected life.

  On the other hand, when a plurality of PTC heating sheets are used together, they cannot be used in series, and should be used in parallel. This detail can not be ignored.

  In the application, we should pay attention to keeping the weight and the placement of the cover on the surface of the PTC electric heater. If the external pressure is tolerated for a long time, the service life of the pipeline is reduced.

  If it is a period of time, the PTC electric heater shows signs of rust, which seriously affects the valve's inability to rotate and open. To avoid the risk of leakage, the valve should be replaced in time.

  With the attention of some of the above small details, we can better maintain the PTC electric heaters we use to keep them longer. Don't ignore it!

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