General introduction of toxic gas a国语免费larm

What are the certificates for the production国语GO of gas alarms:

1. Production and operation lice动漫美丽nse;

2. Explosion-proof certificate;

3. Product Type Approval Certi资源艺术ficate;

4. Explosion-proof certificate;

5. Product inspection report;

6. License for manufacturing meGOMVasuring instruments, etc.

Recently, some factory fires and poison大地视频ing accidents have occurred frequently. W影院国语e should pay more attention to the c好姑娘丁香花onstruction of security. Usually, flammable ga影院姐姐s alarms are installed when some gases视频高清 such as benzene and methane are measured. 艺术高清It is necessary to have licensed staff to 姑娘直播install lines and specialized technic高清版大地ians. To debug the equipment, the standa高清动漫rd installation of the alarm is very直播国语 important. It needs to be checked whTV飘雪ether the installation height of视频视频 the flammable and toxic gas alarm is reasTV高清版onable. It must be known that the density of ea姑娘免费ch gas is different. If the gas d好姑娘艺术ensity is heavier than air, the gas a免费在线larm must be If it is installed at a飘雪国语 low position and the gas densTV动漫ity is lighter than air, the gas alarm在线GO must be installed at a high position so th免费大地at the gas detector can detect thGO高清版e leaked gas more easily and directly. Once 大地资源a leak occurs, the detector can detect it imm艺术飘雪ediately and in time. In terms of wiring, red is高清飘雪 the positive pole, blue is the negative p动漫飘雪ole, and yellow is the signal. I 直播姐姐believe that people with a little视频GO electrical knowledge will not make such l飘雪直播ow-level mistakes.

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