GasAlert MicroClip XL gas detector, MCXL-XWHM-Y-OE, CO; H2S; O2; LEL

Combustible (LEL) 0 to 100% LEL 0 to 5% vol 1% LEL 0.1% vol
Carbon Monoxide ( CO) 0 to 500 ppm 1 ppm
Hydrogen Sulfide ( H2S) 0 to 100 ppm 1 ppm
OXYGEN (O2) 0 to 30.0% 0.1% Vol

Include: Detector, Battery charger, Calibration clip and hose, User manual

More detail