Berner 313 Bedienungsanleitung Seite 23

WARNING
Please observe the following information before using
the instrument:
Do not operate the instrument in the proximity of
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electrical welders, induction heaters and other elec-
tromagnetic fields.
After an abrupt temperature fluctuation, the instru-
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ment should be allowed to adjust to the new tem-
perature for about 30 minutes before using it. This
helps to stabilize the IR sensor.
Do not expose the instrument to high temperatures
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for a long period of time.
Avoid dusty and humid surroundings.
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Measurement instruments and their accessories are
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not toys. Children should never be allowed access to
them!
In industrial institutions, you must follow the acci-
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dent prevention regulations for electrical facilities
and equipment, as established by your employer's
liability insurance organization.
Please observe the following five safety rules:
1. Disconnect.
2. Ensure that the instrument cannot be turned back
on again.
3. Ensure isolation from the main supply voltage
(check that there is no voltage on both poles).
4. Earth and short-circuit.
5. Cover neighbouring parts that are under live elec-
trical load.
Proper and intended use
This instrument is intended for use in applications described in
the operation manual only. Any other usage is considered im-
proper and non-approved usage and can result in accidents or
the destruction of the instrument. Any misuse will result in the
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