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空调感温头怎么测量好坏

更新时间: 2020-06-29 00:00:00     

1、在线测量电压;

2、用手握感温头一头,在路电压一定;

3、拔掉感温头的插头,在线路测量其座子的两个插针的电阻,所得的阻值基本就是感温头在25摄氏度时的型号值;

4、感温头的型号值就是它在25摄氏度时的电阻值,一般都是负温度系数的,即温度越高,电阻值反而越小;

5、中央空调保养一般来说内机管温和室温阻值是一样的。

关键词: 空调 怎么 测量 好坏

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