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MAINTENANCE:
1. The PRO-D 3 is a professional
instrument and proper care should
always be used when using it. You
should always protect it when it is not
in use.
2. Always replace the protective probe
tip cap to keep the probe tip from
becoming damaged.
3. If using alkaline batteries, always
replace the batteries after long periods
of time to prevent premature corrosion
or battery leakage, which is common
with old or spent alkaline batteries
after a period of time. Be aware that
damage to the PRO-D 3 may occur if
there is battery leakage and it will void
the warranty.
4. In the event the PRO-D 3 is not used
for an extended period of time, the
batteries should be removed.
5. Routinely clean the probe tip.
6. The PRO-D 3 is not user serviceable
other than battery replacement,
probe tip cleaning, and recalibration.
If service is required, please contact
your supplier or the factory. Any other
attempt to repair the tester by a user
will void the warranty.
HELPFUL SUGGESTIONS
1. If substituting alkaline batteries for the
NiMH rechargeable batteries, only use
high-quality AAA alkaline batteries.
2. The PRO-D 3 is designed to be able
to easily test faceted or rough stones
of virtually all sizes. However, please
keep in mind that small stones will
naturally heat up much faster after
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