UTR2810E Series LCR Meter
– User Manual
7
Before Use
Thank you for purchasing UNI-T product! Please read this chapter carefully before use. In
this chapter you will learn the following:
Out of box audit
Requirements of power supply
Choice of power supplu and fuse
Operating environment
Peform test clips
Preheat and continuous operating hours
Other characteristics
1.1 Out of Box Audit
Check with packing list to confirm that accessories has no loss. If there have any problem, please contact with our company.
No.
Components
Quantity
Remarks
1
LCR Meter
1
UTR2810E/UTR2811E
2
Power line
1
3
kelvin clips wire
1
4
RS-232 communication lie
1
Only for UTR2810E
5
Test fixtures
1
6
Short-circuit plate
1
1.2 Requirements of Power Supply
（
1
）
voltage range
：
198V
～
242V or 99V
～
121V
（
2
）
frequency range
：
47.5 Hz
～
63 Hz
（
3
）
power range
：
≤20VA
（
4
）
Power input phase wire L, zero line N, ground line E should be corresponding to the power plug
of the instrument.
（
5
）
The instrument has designed to reduce waveform jamming caused by AC power input. However,
it should still be used in a low-noise environment as far as possible. If this cannot be avoided,
please install a power filter.
WARNING
：
To prevent electric shock, please connect the ground wire of the
power supply. If the power cable is replaced, ensure that the ground of the power
cable is properly connected.
1.3 Choice of Power and Fuse
Before connect the power supply, please confirm that the power switch is tured on and select the right input supply voltage.
The setting see Figure 1-1.
Figure1-1 The setting of input power
0.5A fast fuse is equip with the instrument, the user should use the fuse provided by our company or choose the fuse of the
same specification.
