GDS404 gas alarm

The GDS404 is a 1-4 channel gas alarm from GDS Technologies. The versatile system configuration for monitoring any combination of oxygen, combustible and toxic gases meets the requirements for economical and reliable monitoring of gas levels. The unit comes in a steel housing, monitoring in any type of environment from commercial premises through to heavy industrial and hazardous area applications.

The unit is complemented by a range of sensors, including infrared, electrochemical, catalytic combustion, thermal conductivity and MOS sensors. Gases include O₂, CO, H₂S, SO₂, NO, NO₂, CL₂, H₂, HCN, HC₁, NH₃, O₃, C₂H₄O, CO₂ and LELs. Other controllers are available for larger installations.

Alarm features include two alarm stages, with a delay to alarm option, selectable alarm relays, visual LED displays and audible warnings. Digital alarm settings are fully adjustable and IP52 housing is standard, with the option of IP65 housing if required.

Typical monitoring locations are public buildings, underground car parks, boiler plant rooms, swimming pools, water treatment works, H&V control systems, landfill sites, laboratories, hospitals, food packaging, manufacturing and processing plants.