6
Conditions to be observed when using
Environmental conditions
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Use the instrument at an altitude below 5,000m (above sea level).
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Use the instrument indoors.
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Use the instrument where the temperature is between 5 to 40˚C.
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Do not leave the instrument in a location exposed to direct sunlight or near a heating unit
where the temperature may rise.
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Do not change the environmental temperature of the instrument suddenly.
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Do not place the instrument in a place where it may be subject to strong vibrations.
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Do not use the instrument where there is much dust.
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Do not leave the instrument where the temperature is extremely low.
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Do not leave the instrument in a damp place.
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Do not place or drop heavy objects on the instrument.
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Use this instrument under the condition where humidity is 80% at 31
˚C or lower, falling
linearly to 50% at 40˚C.
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Main supply voltage fluctuation should not to exceed ±10% the nominal voltage.
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Installation categories (Overvoltage Categories):
ｌｌ
◇
The pollution degree is 2 (according to IEC60664).
Handling
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Do not drop the instrument or subject it to any strong shock.
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The power cable may be damaged by:
Bending the cable.
Pulling the cable.
Twisting the cable.
Placing the cable under heavy objects.
Catching the cable between objects.
Daily maintenance
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If the instrument becomes dirty, wipe it with a soft cloth.
◇
Do not use benzine, paint thinner, etc. to clean the instrument.
