Scantek’s RKI GX-2009 four-gas monitor weighs only 4.6 ounces and fits in the palm of your hand (2.75” H x 2.95” L x .98” D). The GX-2009 simultaneously monitors and displays combustibles, oxygen, carbon monoxide and hydrogen sulfide. Advancements include dual audible alarm ports and alarm LED’s on 3 sides of the instrument, so that alarm conditions are obvious from multiple perspectives especially in high noise environments.Lightweight 4-gas monitor

Scantek,, (800) 224-3813.