UDP6720 Series Digital Control Power Supply
User’s Manual
8
socket is connect with ground before use.
This instrument 110V is select fuse of 250V/3.15A or 250V/5A, the specification is 5×
20mm，it all set and equip with spare fuse of 250V/3.15A or 250V/5A in fuse box before
the product leave the factory.
Please remove the external power cable before replace the fuse, open the fuse socket
slot under the power supply plug, take out the old fuse and replace the new fuse into it,
after that the instrument can be used normally.
Warning
：
Do not use power cable with any signs of damage to avoid danger!
Operating Environment
UDP6720 series digital control power supply can only use in normal termperature and low
condensing zone. The general environmental requirements of the instruments is listed as the below
table.
Operating Environment
Environmental Requirements
Temperature
0
℃
~45
℃
Humidity
20%~80%
（
non-
condensation
）
Storage temperature
-20
℃
~70
℃
Altitude
≤2000 meter
Pollution degree
2
Explanation
：
In order to guarantee the accurancy of measurement, it is suggested that turn on the instrument
half an hour before operating.
Cleaning
To prevent from the risk of electric shock, please pull out power line befor cleaning.
Please use a clean cloth dipped in clean water to clean the cover and panel.
Do not clean the inside of the instrument.
Caution
：
Do not use solvents (alcohol or gasoline etc.) to clean the instrument.
Quick Start
Apparance Inspection
1. Check out the instrument is in a good condition during the delivery. If there have any problem, please contact with Uni-
Trend Instrument Sale Department or the distributor.
2. Confirm whether the AC input voltage of UDP6720/UDP6721 comply with the standards of your country or region.
Notice: Use 110V/220V switch on the rear panel to select input voltage. After confirming the above matters, power on
the instrument.
