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Alarm value of the alarm device

2017-03-16View Original

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What is the alarm threshold for the combustible gas detector in the hydrogen production workshop? What is the alarm threshold for a CO detector? What is the alarm value for a hydrogen sulfide detector? What is the alarm value for ammonia?
Reply #22017-03-16
Flammable gas alarm threshold: High alarm level: 25% LEL; High alarm level: 50% LEL.
Reply #32017-03-16
Refer to Paragraph 3 of Section 5.3.3 and Appendix B of GB50493-2009 Code for Design of Detection and Alarm Systems for Flammable and Toxic Gases in Petrochemical Industries
Reply #42017-03-16
Go to the safety section and ask those in charge of safety, okay?
Reply #52017-03-17
Overreporting: 25% LEL; High alarm level: 50% LEL; it depends on the specific regulations, but this is definitely a safety issue
Reply #62017-03-17
Refer to Paragraph 3 of Section 5.3.3 and Appendix B of GB50493-2009 Code for Design of Detection and Alarm Systems for Flammable and Toxic Gases in Petrochemical Industries

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