3
2)
Please do not use damaged equipment. Before use of the instrument, please check if there are any
cracks on the shell.
3)
Please connect the device with the provided cable. Before operating the instrument, make sure the AC
power supply is well grounded.
4)
Before connecting to the device, check all the security labels on the device.
5)
Please use wire with rated load. The capacity of all load wires must be able to withstand the maximum
short-circuit output current of the power supply without overheating. If there are multiple loads, each
pair of load wires must be able to safely carry the full load rated short-circuit output current of the
power supply.
6)
Please do not install replacement parts or make any unauthorized modification of the instrument.
7)
Please do not use the device when the cover is removed or loose.
8)
It is strictly prohibited to use this instrument on life support system or any other equipment with safety
requirements.
9)
Keep the instrument well ventilated to avoid overheating. Do not block the ventilation hole of the
equipment to avoid internal temperature rising affecting the accuracy.
10)
Please use dry cloth to clean the shell of the equipment. Do not clean the inside of the instrument.
11)
Please do not switch the instrument frequently to avoid loss of stored data.
12)
The instrument has been carefully designed to reduce clutter due to AC power input. However, it
should still be used under low noise conditions. If that is inevitable, please install the power filter.
13)
When the instrument is not used for a long time, please put it in the original box or similar box and
stored in a ventilated room with temperature of 5
℃
~40
℃
and relative humidity less than 85% RH.
Do not store the instrument in a corrosive atmosphere containing harmful impurities and should avoid
direct sunlight.
1.2.4
Warm-up
For accurate measurement, the warm-up time should not be less than 30 minutes.
1.3
Safety and Symbols
1.3.1
Signs and Symbols
ON ( power switch closed)
Protective grounding terminal
OFF (power switch open)
Ground terminal
Warning sign
Power line ground
Содержание TH7105
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