Durag has decided to discontinue the D-R 220 (T) by 31.12.2024 without replacement.
If you still need the D-R 220(T), you can order it until 30.09.2024.
Repairs, delivery of spares and wear and tear parts will be available for up to 5 years after the date of discontinuation.
Alternative product D-R 290 (2. G)
The D-R 290 works according to the transmission principle. The measurement is continuous, non-contact and without sampling in the exhaust gas flow. The D-R 290 is particularly suitable for monitoring medium to high dust concentrations.
For tunnel projects SMART/AQM
Air quality monitor with IoT visible opacity and gas sensor for use in tunnels. Visibility measurement is based on the scattered light principle, gas measurement with up to 3 electrochemical cells.