General knowledge about the application of varistor
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The temperature compensation of the instrumentation line used on the electronic circuit components and the temperature compensation of the thermocouple cold junction are all used in our pressure sensitive
Resistor, because the varistor's own characteristics have such a characteristic of self-heating, I can automatically achieve gain control, so
It is possible to construct an upshifter for the amplitude stabilization circuit, and also to use the delay circuit and to protect the circuit.
But one thing to note is that if the ambient temperature is much lower than the resistance of the self-heating temperature, this situation is closely related to our heat dissipation conditions.
Related, so we often use a characteristic of varistor on the flow meter, flow meter, gas analyzer and thermal conductivity.
Work so that you can make a professional dedicated detection component. The varistor is used to protect the electrical equipment from electrical equipment.
Pressure and surge protection, while other resistance components such as overheat protection, contactless relay, constant temperature, automatic gain control,
Motor switch start, line time delay, color TV automatic degaussing, fire alarm, and temperature compensation are all required to use heat
Sensitive resistors, but there are also some disadvantages, that is, the relationship between resistance and temperature is relatively nonlinear, and the varistor components have poor consistency.
At the same time, the interchangeability is also relatively poor, and the components of the varistor are easily aged and have no relative stability. Http://