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氢气检测仪量程怎么选型-深国安官网

氢气检测仪量程选型上一般区分有PPM和LEL两种量程规格，怎么去选型呢?这一般要看用户的实际检测用途需求，通常测%LEL是测的氢气的可燃性(即易燃易爆性)，它是根据氢气的爆炸下限来设定的，将爆炸下限分为100%，0-100%LEL即为氢气检测仪测可燃性的检测范围;测PPM则是测的氢气的有毒性，它是根据氢气在控制器中的安全比例来设置的，检测单位定义为PPM。

氢气检测仪

总结：氢气检测仪如果测可燃气体爆炸下限，建议LEL量程即可，内置的是催化燃烧式传感器。氢气检测仪测毒性，则推荐选择PPM单位量程，它内置使采用的电化学传感器;不同传感器配置气体检测仪的价格也不相同，因此在选型的时候首先要了解清楚测量的需求，根据需求选择合适的氢气检测仪。

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