80
7.2. Cleaning the analyzer
> In case of contamination clean the housings of Control unit and
analyzer box with a damp cloth. Do not use any aggressive
cleaning agents or solvents! Mild household cleaning agents
and soap may be used. Do not use silicone cleaners.
> Clean ventilation slots, gas outlets, fresh air inlets, pressure
connections and dilution air inlet with a vacuum cleaner. Do not
blow out with compressed air.
7.3. Changing / retrofitting sensors
A slot bridge (0192 1552) must be inserted in slots which
are not equipped with a sensor. Used sensors must be
disposed of as hazardous waste!
The CO
2
-(IR) sensor can only be changed / retrofitted by
the testo service.
When the sensor is changed, the switch-off threshold
values are only retained if the measuring box is isolated
from the mains supply and rechargeable battery during the
change, and is restarted afterwards.
✓ The analyzer box must be switched off and isolated from the
power supply and rechargeable battery.
1. Place the analyzer box on its front.
2. Open the cover of the sensor compartment (locking clip) and
take it off.
3. Loosen the bow from the sensor.
w ww . . co m
information@itm.com1.800.561.8187
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