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? The big secret of gas alarm?
Common types of household gas alarms
Household gas alarms are divided into three types: independent, controlled and wireless. Independence is the most common, concise but not simple; Control type with cut-off valve, once leakage is found, it can automatically close the valve to ensure safety; The wireless model is equipped with GSM module. When the gas leaks, it will send a short message directly to your mobile phone to let you know the safety situation at home anytime and anywhere.
Necessary for industrial places
The gas alarm in industrial places generally adopts the combination of controller and detector. The controller is hung in unattended places, such as duty room; The detector is installed at the explosion-proof site. Once the detector finds a leak, it will immediately send a signal to the controller through the cable. The controller will give an alarm and start the exhaust device or turn off the air source to ensure the safety of the industrial site. This combination is widely used in liquefied gas stations, automobile gas stations, boiler rooms and other places.
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