TESTO 300 LL NEXT LEVEL - Replace the probe module; Check;replace particle filter

10 Maintenance
95
2
Blow compressed air through flue gas
ducts of the probe module and probe
handle (see illustration). Do not use a
brush!
3
Fit probe module onto the probe handle and click into place.
10.9 Replace the probe module

Disconnect the flue gas probe from the measuring instrument.
1
Press the key on the top of the probe
handle and remove the probe module.
2
Fit new probe module and click into place.
10.10 Check/replace particle filter
Check particle filter
• Particle filters of the modular flue gas probe must be checked regularly for
contamination: check visually by looking through the window of the filter
chamber.
• If there is visible contamination or inadequate pump flow, replace the filter.
Replace particle filter
The filter chamber may contain condensate. This is not a malfunction
and will not cause incorrect readings.