Safety Instructions - UNI-T UTR2810E Series User Manual

Safety Instructions

Warning Danger：
instructions below.
Disclaimer
Instrument Grounding
Operating Voltage
Instrument Connecting line
Input Voltage
DO NOT
use the instrument in an
explosive atmosphere
DO NOT
open the outer shell of the
instruement
DO NOT
use instruments that work
abnormally
DO NOT
use the instrument beyond the
way specified in this user
manual
DO NOT
install substitutes or perform
unauthorized changes
To avoid possible electric shock and personal safety problem, please follow the
Please read the following safety information carefully beforestarting to use the instrument.
Uni-Trend will not be responsible for the personal safety and property damage caused by
the user's failure to comply with the following terms.
To prevent the risk of electric shock, please connect the power ground wire.
Ensure that the operating voltage of the electric supply does not exceed 10%
of the rated range, to avoid dangerous damage to the instrument.
Select the proper electirc wire to connect the load and the power under test,
make sure the the capacity of the wires can withstand the maximum short-
circuit current without overheating.
Before connecting the device, observe all marks on the instrument. The
instrument supports AC110V and 220V input. Before turning on the power
supply, check whether the conversion switch of the programmable voltage
tester matches the input power supply and ensure that the fuse is installed
properly. Otherwise, the programmable voltage tester may be damaged.
Do not use the instrument in flammable and explosive gas, steam or dusty
environment.
The use of any electronic equipment in such an environment is a risk to
personal safety.
Non-professional maintenance personnel should not open the outer shell of
the instrument to try to repair the instrument. The undischarged charge still
exists for a period of time after the instrument is turned off, which may cause
electric shock.
If the instrument does not work properly and its danger is unpredictable,
please disconnect the power cord, do not use it, and do not try to repair it
yourself.
If it exceeds the range, the protective measures provided by the instrument
will become invalid.
It's strictly prohibited that connect the instrument to life support system or any
other equipment with safety requirements.
To ensure the safety of programmable pressure tester, please do not install
substitute parts or perform any unauthorized modifications.
To avoid risks, do not use the instrument when the cover is removed or
loose.
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UTR2810E Series LCR Meter – User Manual