D-R 220 Optical Dust & Opacity Monitor

The D-R 220 is the smallest available and most cost effective DURAG dust monitor. It is suitable for medium and high dust concentrations on short to medium measuring lengths. The D-R 220 operates using the double-pass method according to the auto-collimation principle.

Features:

• Non-contact measuring method
• Continuous measurement of opacity and dust concentration
• Automatic zero and reference point check
• TUV Approved certificate