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WatchGas 404 1-4 Channel Gas Alarm



The WatchGas 404 has been designed with features that provide an effective response to the detection of gas hazards in a wide range of environments, from commercial premises through to heavy industrial applications requiring hazardous area sensing. Typical monitor locations are public buildings, boiler plant rooms, swimming pools, water treatment works, H&V control systems, manufacturing, and processing plants.


– Versatile System Configuration

– Flammable, Oxygen, Refrigerant and Toxic Gases

– 1 to 4 sensors

– Plug in sensor channel cards

– Two alarm stages

– Selectable alarm relays

– Analogue 4-20mA output

– Delay to alarm option

– Remote catalytic flammable sensor option




– (Petro)chemical plants and factories

– Tank storage parks

– Sewage and wastewater treatment facilities

– Mining industry

– Construction sites

– Governments/first responders

– Food and beverage industry