Introduction
The gas detector alarm is the main component of a fixed detection system. Connected to several detectors, it ensures continuous and permanent monitoring of areas presenting gas leak related risks.
Explosion-proof CO2 gas sensor Fixed carbon dioxide gas alarm detector
The unit first processes the gas measurements sent by the detectors. In the event of an abnormal threshold, it generates actions to warn you of the dangers associated with an excessive concentration of gas. These actions are previously defined by the user; they may be sound and/or light signalling, servo-controls or alarm reports by remote transmission.
Gas detector alarm verification risk
The gas monitoring alarm will be installed in the inflammable and explosive or toxic and harmful gas transport system, storage equipment and gas leakage. However, the explosion and asphyxiation caused by leakage are the big risks that the gas detector may face at any time in the gas monitoring operation. Therefore, verification personnel must strictly abide by the inflammable and explosive area management system when carrying out operations. During verification, they should wear anti-static clothes and shoes in accordance with the rules, refrain from carrying fireworks and using non-explosion-proof communication equipment. At the same time, they should carry the portable combustible gas detector that has been verified and qualified into the field for verification.
In the industrial production, the common toxic and harmful gases are carbon oxide, ammonia, hydrogen sulfide, phosphine and so on. For example: carbon oxide in the standard condition is colorless, odorless, non-irritating gas, if the concentration overspend, light will make people headache, weakness, syncope, heavy will make people deep coma. No matter what kind of poisonous and harmful gas, can be harmful to human body in a short time. Therefore, on-site verification personnel should carry qualified gas detection alarms and wear gas masks to protect their personal safety in accordance with the rules during the detection process.
The composition of combustible gas alarm
The main components are gas alarm controller and gas detector. The controller can be placed in the duty room to control the monitoring points. The gas detector is installed in the place where the gas is easy to leak. The core component is the built-in gas sensor, which can monitor the gas concentration in real time. When the gas concentration reaches or exceeds the alarm value set by the gas alarm controller, the gas alarm controller sends an alarm signal, and can start the electromagnetic valve, exhaust fan and other external equipment to automatically eliminate hidden dangers.
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