Hunan Next Generation Instrumental T&C Tech. Co., Ltd.
NGI
l
NGI
N39200 Series
High-accuracy Dual-channel Programmable DC Power Supply
12
5.2 Output Inspection
The output inspection can ensure that N39200 can reach its rated output and can
perform the operations on the front panel properly.
5.2.1 Voltage Output Inspection
Please follow the below steps to verify the basic voltage functions without a load.
1. Press the power switch on N39200.
2. Set voltage to 1V.
3. Press
O n / O f f
on the front panel to enable output.
4. Check if the displayed voltage is close to 1V.
5. Make sure the voltage can be adjusted from 0V to maximum voltage within the
range.
5.2.2 Current Output Inspection
Please follow the below steps to verify the basic current functions with a short on
N39200’s output.
1. Press the power switch on N39200.
2. Make sure N39200 output is under OFF state. It will show OFF on the LCD.
3. Use an insulated test lead to connect a short across the po) and negative(-)
output terminals. The lead should bear the maximum current.
4. Set current to 1A.
5. Press
O n / O f f
on the front panel to enable output.
6. Check if the displayed current is close to 1A.
7. Make sure the current can be adjusted from 0A to maximum current within the
range.
6 Load Connection
Warning: Please turn off the AC input power before changing any connections on the
rear panel. Before supplying power, please check and confirm that all connections are
fastened. Touching any terminal or interface on the rear panel with N39200 powered on
may cause electric shock.