Rugged and reliable, the GasAlertQuattro 4-gas detector combines a wide range of functions with the simplicity of a single button operation. Controls and displays H2S, CO, O2 and combustible gases simultaneously. With flexible power options, AA alkaline batteries or rechargeable battery pack, the GasAlertQuattro is always ready to use. Intuitive icons on the large backlit display simplify investigations and field checks. The clearly identifiable test and calibration icons and extra large digits are easily readable even in varying lighting conditions. The green flashing of the LED continuously confirms the good functioning of the detector. The versatile GasAlertQuattro has been designed for use in harsh environments. Durable outer surface with reinforced edge protectors and integrated shockproof housing protect the detector. Suitable for a wide range of industrial applications, including access to confined spaces, the GasAlertQuattro provides a simple and automatic calibration procedure and is compatible with Micro Dock II, BW’s automatic test and calibration system.


Simple and compact DURABLE detector.
Standard datalogger.
Available in different configurations up to a maximum of 4 gases (LEL, O2, H2S, CO).
Available in the version with alkaline battery pack (AA) or rechargeable battery pack.

GasAlertQuattro (LEL, O2, H2S, CO) with rechargeable batteries