TESTO 320 basic - Checking the particle filter; Replacing the particle filter

7 Maintaining the product
47
7.6.3. Checking the particle filter
> Check the particle filter of the compact flue gas probe regularly
for contamination:
> Carry out a visual inspection through the window in the filter
chamber.
- Replace the filter if there are any signs of contamination.
7.6.4. Replacing the particle filter
The filter chamber may contain condensate.
1. Open the filter chamber: turn slightly anti-clockwise.
2. Remove the filter cartridge and replace it with a new one
(0554 0040).
3. Attach the filter chamber and lock it: turn slightly clockwise.