Freon gas alarm
Freon Gas Alarm (Refrigerant Leak Detector) Freon alarm is used to detect leaks of refrigerants such as R22, R134a, R410A, R507; most Freon gases are heavier than air, settle on the ground after leakage, and high concentrations can cause suffocation risk. Some refrigerants (R32, R290) are also flammable. China Building Science... The complete system consists of a detector (sensor) + alarm controller, which can provide audible and visual alarms, activate exhaust fans, shut down refrigeration units, and upload alarm signals to the duty room.
