D-R 290 Optical Opacity & Dust Monitor (GEN 2)
The D-R 290 is a certified optical transmission monitor to measure the opacity or dust concentration of flue gases with medium to high dust concentrations. The D-R 290 operates using the double-pass method according to the auto-collimation principle.
Features:
- Continuous and contactless measurement of opacity and dust concentration
- Ideal for medium to large dust concentrations
- Automatic zero and reference point check
- Automatic contamination check and correction
- QAL1 certified according to EN 15267
- Compliant with US EPA PS 1 and ASTM 6216