6 Instrument maintenance
44 NBM-520 Narda
6.1 Cleaning the instrument
Cleaning the instrument:
1. Use a soft cloth to clean the instrument. You can use
lukewarm water to which a little detergent solution has
been added as a cleansing agent.
2. To prevent streaks and spots, wipe off the instrument
with a dry cloth while it is still damp.
6.2 Replacing / removing the batteries
The rechargeable batteries have a useful life of about 1000
charge cycles or 3 years (whichever occurs soonest).
NOTICE
Damage to the instrument from liquids
The instrument may be damaged or destroyed if liq-
uids are allowed to get inside the casing.
Make sure that no liquid gets inside the instrument.
NOTICE
Solvents
Solvents can corrode the surfaces of basic unit,
probe and AC Adapter / Charger.
You must not use solvents to clean the basic unit,
probe, and AC Adapter / Charger.
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