User manual
36
roded Moreover the vapours are detrimental to health and explosive. Nor should
sharp-edged tools such as screwdrivers, metal brushes etc. be used for cleaning
purposes.
Periodically check the technical safety of the instrument and measuring lines, e.g.
check for damage to the housing or squeezing etc.
Always observe the following safety instructions before cleaning the device:
Live components may be exposed if covers are opened or parts are
removed (unless this can be done without tools).
All connected lines must be disconnected from the instrument
before servicing or repair works are performed.
Repair work must always be carried out by qualified experts famili-
ar with the hazards involved and with the relevant regulations.
If the multimeter fails to function with the proper supply voltage (9V compound bat-
tery) and fuses or it cannot be repaired, it must be disposed of in accordance with
the applicable legal provisions.
Replacing the battery
A 9V compound battery is required to operate the measuring instrument. If the battery
replacement symbol (BAT) appears on the display, the battery is to be replaced.
Proceed as follows to replace the battery:
- Disconnect your measuring instrument from the measurement circuit.
- Disconnect all the measuring lines from the measuring instrument.
- Turn it off.
- Loose the rear screws of the battery compartment cover and
- remove the cover by drawing it slightly.
- Insert a new battery with the correct polarity.
- Close the battery compartment carefully again.
CAUTION! Never operate the measuring instrument when it is
open. !Danger to life!
Do not leave flat batteries in the device. Even batteries protected against leaking can
corrode and thus release chemicals which may be detrimental to your health or dest-
roy the battery compartment.