Quest EVM 7 CO-PPB Advanced ParticulateAir Quality Monitor Portable flaw detector The additional matrix measurement mode

The additional matrix measurement mode enables simple storing of associated measurement data by respective data block (according to specific feature)

Tape lengths are available up to 600 m (2000 ft)

This respirator is designed for particles such as grinding

Optional sensors include sulfur dioxide (SO2) and hydrogen cyanide (HCN)

and a standard analytical range of more than  25 elements

Quest EVM 7 CO-PPB Advanced ParticulateAir Quality Monitor Portable flaw detector The additional matrix measurement modeThe EVM 7 measures both particulates and air quality, and provides a lower cost of ownership by combining three instruments into one. Additional models include the EVM 3, specializing in direct reading of particulate mass concentrations, and the EVM 4, designed for indoor air quality studies.