Air Conditioning Indoor Ambient Temperature Sensor

Air Conditioning Indoor Ambient Temperature Sensor Features:

1.High-precision temperature monitoring.
2.The product is moisture-proof and waterproof.
3.The resistance value and B value can be made according to customer needs.
4.Independent design of the ambient temperature and temperature sensor in the air-conditioning room makes installation more convenient.

Product Usage: Apply to air-conditioning indoor ring temperature and temperature control module

The thermistor used to check whether the indoor ambient temperature reaches a set value is called the indoor ambient temperature thermistor, or ambient temperature thermistor for short. When the circuit is working normally, the temperature of the thermistor is close to the room temperature and the resistance is very small, when the circuit is over-current due to fault, the thermistor will rise in temperature due to the increase of heating power. When the temperature exceeds the switch temperature, the resistance will increase rapidly, the current in the circuit is rapidly reduced to a safe level. For the thermal resistance to the AC circuit protection process current changes. After the thermistor action, the current in the circuit has been greatly reduced, thermistor action time. The PTC thermistor can be designed well, and its sensitivity to temperature can be adjusted by changing its switching temperature (TS) , so it can act as both over-temperature protection and over-current protection, the effect of ambient temperature on the PTC thermistor is a kind of direct and step thermistor, whose resistance change process is related to its own heating and heat dissipation, therefore, its maintenance current (IHOLD) , action current (itrip) and action time are affected by ambient temperature. When the ambient temperature and current are in Zone A, the thermistor will move because its heating power is greater than its cooling power, while when the ambient temperature and current are in Zone B, its heating power is less than its cooling power, the polymer PTC thermistor can be used repeatedly because of its recoverable resistance.

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