TESTO 300 LL - Clean Modular Flue Gas Probe; Replace the Probe Module; Check;Replace Particle Filter

10 Maintenance
69
10.8
Clean modular flue gas probe

Disconnect flue gas probe from the measuring instrument.
1
Release probe catch by pressing the key on the probe handle and
remove probe module.
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.
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