Maintenance - Chauvin Arnoux C.A 25 Mode D'emploi

The tachometer does not require any particular cleaning, except for replacing the
battery and cleaning the case.
- adjustments
There is no internal adjustment to the instrument. The accuracy of the measurement
is given by a high stability quartz which drives the microprocessor.
- cleaning the case
The case can be cleaned with any non-abrasive, non acid cleaning agent such as
alcohol, flugene, etc...
If cleaning agent is spilled on the instrument, it must be left. Simply leave
!
the tachometer to dry. Some specific cleaning agents may damage the
markings on the case.
The tips are cleaned in the same way as the tachometer case.
Cleaning of the mechanical adaptor must only be done with clean or soapy
!
water. The use of alcool or solvant may permanently damage the mechanical
adaptor.
- replacing the battery
When the low battery symbol appears on the display, it is necessary to replace it :
- Set the switch to the OFF position
- Open the battery compartment located at the back of the instrument. Unscrew
it with a coin.
- Remove the battery and replace it with a new one in accordance with the
polarity. Use a type 6LF22 alkaline or similar.
- Reclose the cover of the battery compartment by tightening the screw gently.

MAINTENANCE

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