Designed for industrial confined space environments, Crowcon’s Tetra:3 portable gas monitor combines ruggedness with small size, single-button operation and long-lasting sensors. The unit monitors oxygen and toxic and flammable gases. A lithium-ion battery provides over 18 hours of continuous operation. The lifespan of the sensors is included in the product’s three-year warranty.

Crowcon Detection Instruments,
Erlanger, KY.