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[可燃气体检测仪] 可燃气体检测仪在现场安装注意事项

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发表于 2014-11-21 20:39:07 | 显示全部楼层 |阅读模式
可燃气体控制器安装规范:
       a.可燃气体控制器应安装在仪表室等非防爆场所,严禁安装在防爆场所。
       b.可燃气体控制器无论何种安装方式,应确保固定牢靠,避免震动、灰尘和水,环境应符合仪器说明书要求。
       c.可燃气体控制器应采用相对洁净的电源,避免与大型电机设备使用同路电源。
       d.可燃气体控制器应外壳接地或电源插头的地线接地。
       e.可燃气体控制器的外壳严禁破坏,否则会影响屏蔽效果。
可燃气体检测探头安装规范:
       a.可燃气体检测探头选点应选择阀门、管道接口、出气口或易泄漏处附近方圆1米的范围内, 尽可能靠近,但不要影响其它设备操作,同时尽量避免高温、高湿环境。
       b.可燃气体检测探头用于大面积气体检测时可采用10~12平方米一个探头布置,也可达到检测报警效果。
       c.可燃气体检测探头安装方式可采用房顶吊装、墙壁安装或抱管安装,应确保安装牢固可靠,同时应考虑便于维护、标定。
       d.可燃气体检测探头安装高度:检测氢气、天然气、城市煤气等比重小于空气的气体时,采用距屋顶1米左右安装;检测液化石油气等比重大于空气的气体时,采用距地面1.5~2米左右安装。
       e.可燃气体检测探头布线应采用三芯屏蔽电缆,单根线径大于1平方毫米,接线时屏蔽层必须接地。
       f.可燃气体检测探头现场走线应穿管,所用管子应符合消防要求,管子应与探头连接,以达到消防要求。
       g.可燃气体检测探头安装时应传感器朝下固定。
       h.可燃气体检测探头应在断电情况下接线,确定接线正确后通电;应在确定现场无可燃气泄漏情况下,开盖调试探头。
       i.可燃气体检测探头应至少每年标定一次,以确保检测精度。

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发表于 2014-11-21 21:25:08 | 显示全部楼层

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