DURAG D-R 290
- Measure opacity or dust concentration of flue gases with medium to high dust concentrations.
- Operates using double-pass method according to auto-collimation principle.
- Automatic zero and span check.
- Powerful and stable super-wide band diode (SWBD) light source.
- Fail-safe shutters with purge air monitoring as option
- TUV (QAL1) & MCERTS
- EN15267 (3) & EN14181 Certification