Programmable DC Power Supply User’s Guide
6
Chapter 1 Preparation before using
1.1 Check the instrument and accessory
Check whether the instrument and the accessory are complete and ready according to the
packing list. If the package carton is badly damaged, please keep it until the instrument
passes the performance test.
1.2 Connect the power supply to instrument
Instrument can be powered on in the following conditions:
Supply Voltage: AC220(1
±
10%)V
Supply Frequency: 50/60 (1
±
5%) Hz
Using environment: only indoors
Working temperature: 0-40
℃
Storage temperature: -40-60
℃
Relative humidity: 20% ~ 90%RH (40
℃
)
Before connecting the power supply to the instrument, please check whether the power
supply’s voltage accords with connected power grid firstly, and then insert the power plug
to power socket with grounding wire. Press the ON/OFF in front panel, the instrument
will be powered on and begin to initialize and then go to the normal working state.
Warning: In order to ensure the security of the operator, use triple- core power
socket with ground wire.
