21
Ⅳ
Attentions and Basic Maintenance
4.1 Attentions in use
It is a high-precision instrument, must carried by hand and used carefully.
Please read this instruction thoroughly before
fi
rst time use.
Please keep it power o
ff
before you remove or install the measuring lens.
Please protect the measuring lens carefully and keep the lens clean. Don’t wipe it and
put the cover on the lens after use.
Don’t press the screen hard and keep it out of any external impact or heavy pressure.
Please use the device in the temperature between —10
℃
to 40
℃
, in the humidity
less than 85% (35
℃
).
Notice that it is normal the device would become warm if you put it under the direct
sunlight or it is surrounded by relative hot instrument. Please protect the device
carefully under those circumstance.
The apex of the sphere of the measuring lens is used as a lighting related plane.
It is possible that strong electromagnetic
fi
eld would have a strong e
ff
ect on internal
microprocessor of instrument. Please turn o
ff
the power of device and AC adapter,
then power on and restart the device,
Don’t use it in the area with altitude higher than 2000 meters.
If you want to use the AC adaptor, please make sure that you use the power supply
thar we have speci
fi
ed.
The instrument is set for grade
Ⅱ
pollution products, please do not use in the area
Summary of Contents for PCE-CRM 40
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