UTR2810E Series LCR Meter
– User Manual
3
Safety Instructions
Warning
Danger
：
To avoid possible electric shock and personal safety problem, please follow the
instructions below.
Disclaimer
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.
Instrument Grounding
To prevent the risk of electric shock, please connect the power ground wire.
Operating Voltage
Ensure that the operating voltage of the electric supply does not exceed 10%
of the rated range, to avoid dangerous damage to the instrument.
Instrument Connecting line
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.
Input Voltage
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 an
explosive atmosphere
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.
DO NOT
open the outer shell of the
instruement
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.
DO NOT
use instruments that work
abnormally
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.
DO NOT
use the instrument beyond the
way specified in this user
manual
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.
DO NOT
install substitutes or perform
unauthorized changes
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.
