How to calibrate the alarm value of SF6 leak detector?- SF6在线监测系统_SF6检漏仪_SF6传感器_SF6密度继电器

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How to calibrate the alarm value of SF6 leak detector?

发布时间：2016-11-19 来源：ydlcb 浏览次数：29次

1. For the detection and alarm instrument, pass standard gas 1.5 times of the alarm set value, record the alarm concentration value displayed by the instrument, repeat the measurement for 3 times, and take the arithmetic average of 3 times as the alarm value

2. For the recording and alarm instrument, use the standard gas dilution device to inject the standard gas lower than the alarm point, gradually increase the gas concentration, and record the standard concentration value when the instrument alarms, that is, the alarm value of the instrument.

The alarm response time is less than 10S.