monitoring device / dust concentration and opacity / measurement

Equipped with a Flood LED light source, the Land Model 4500 MkIII is designed with a user-friendly interface that can be easily set up. Following the standards of ASTM Standard B 62161, it features a retro-reflector that can be operated single-handedly with its controllable keypad and display, providing accurate measurements of dust concentration. The 4500 MkIII's dual function menus house an audit jig and adapter flanges, and also comes with air purging supplementary tools for improved user convenience that can be used in a wide range of applications.