Replace The Probe Module; Check/Replace Particle Filter - TESTO 300 LL NEXT LEVEL Instruction Manual

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.
10 Maintenance
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