| Measuring principle | Measuring the optical transmission of visible light which passed a measuring path twice |
| Certificates | CE, Pattern Approval Certificate PRC |
| Measuring location | In-situ, non-contact. Mounted at stack, measurement across the stack, purged sensors are not in contact with flue gas |
| Self-check, protective functions | LED light source: no readjustment needed Automatic internal self-test Automatic zero and reference point check (option) Manual contamination check and linearity check (option) |
| System components | D-R 220 M measuring device D-R 220 R reflector D-R 220 SPF purge flange D-R 220 CLP clamping ring fastener D-R 220 N zero point reflector (option) D-R 220 E adjusting flange with tube (option) D-ISC 100 universal operating unit (option) Purge air and power supply unit (option) Accessories |
