Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications;Electrochemical cell sensor monitors ambient H2S, oxygen, and carbon monoxide levels, and catalytic bead sensor monitors ambient combustible gases continuously;Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels;LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests;Wraparound bumpers and concussion-resistant boot helps protect against damage

• BW Technologies QT-XWHM-A-Y-NA GasAlertQuattro 4-Gas Detector with Alkaline Battery, Combustible, O2, H2S and CO, Yellow
• Yellow

BW Technologies QT-XWHM-A-Y-NA GasAlertQuattro 4-Gas Detector with Alkaline Battery, Combustible, O2, H2S and CO, YellowHoneywell International, Inc