Open The Measuring Instrument - TESTO 300 LL NEXT LEVEL Instruction Manual

10 Maintenance
1
Open the condensate outlet on the
condensate container.
2
Let the condensate run out into a
sink
3 - Wipe off any drops still on the condensate outlet with a cloth and close
the condensate outlet.
The condensate outlet must be completely closed, otherwise incorrect
measurements could occur due to infiltration of external air.

10.6 Open the measuring instrument

Only open the measuring instrument when this is required for maintenance
purposes (replacing gas sensors).
The measuring instrument must not be connected to a mains socket via

the mains unit. The measuring instrument must be switched off.
When opening/assembling the instrument, take care not to lose any
screws that have been removed. It is advisable to place a cloth on the
work surface.
1
Place the instrument on its front so that the back is facing upwards.
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