Gastec Polytec Tubes for Simultaneously Detecting Gases Confined Space Entry The resulting wind speed and

The resulting wind speed and direction are calculated from the measured run-time sound differential

which contains the Polyurethane Foam for vapor entrapment

This HD HVR has six recording modes selectable from lowest 320X480@30fps to highest 1280X960 @30fps

and metal fumes

Gastec Polytec Tubes for Simultaneously Detecting Gases Confined Space Entry The resulting wind speed andNextteq's complete line of Gastec Polytec Tubes expedite analysis by simultaneously measuring a variety gases during a single test session. Each highly sensitive, semi quantitative tube can detect from 9 to 15 chemicals, providing cost effective monitoring and chemical identification. Gastec's detector tubes offer advanced technology, providing more accurate and reliable analysis with lower standard deviation. A direct read scale printed on each tube