Crowcon Tetra 4 Multi Gas Monitor

The Tetra:4 multi-gas monitor is the newest addition to the Tetra family. Tetra:4's single button operation, small size and weight make it the easiest to use gas detector on the market. Based on the proven and highly successful Tetra product, Tetra:4 is designed for use in demanding industrial environments. Despite it's compact size the Tetra:4 is ultra-rugged and water proof.