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