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LABPS3005DN
V. 01 – 18/07/2017 4 ©Velleman nv
4. Overview
Refer to the illustrations on page 2 of this manual.
1
power on-off
10
A: current display
2
output on-off
11
voltage/current adjustment knob
3
MEN: memory save
12
output negative terminal
4
M1-M2-M3: memory recall
13
ground terminal
5
V/A: voltage/current selector
14
output positive terminal
6
OCP: over-current protection
15
power supply socket
7
CC: constant current mode
16
fan
8
CV: constant voltage mode
17
USB type B
9
V: voltage display
5. Operation
5.1 Switching On and Off
1. Connect the device to the mains using the included power cord.
WARNING
Always connect the device to an earthed power socket.
2. Press the power button to switch on the device. At this moment, there is no output voltage or
current on the output terminals.
3. Press the power button to switch off the device after use.
5.2 Constant Voltage Mode
Set up the desired output voltage between 0 and 30 V.
Also, set up the desired current limit. If the output current exceeds the limit, the device automatically
goes into constant current mode.
5.3 Constant Current Mode
Set up the desired output current between 0 and 5 A.
Also, set up the desired voltage limit.
5.4 Setting Voltage and Current
The device allows you to save three different settings using the memory keys M1, M2 and M3.
1. Set the voltage value. Press the V/A button. The voltage readout flashes. Turn the adjustment knob
until you reach the approximate desired voltage. Press the adjustment knob to select a digit in the
voltage readout and turn to fine-tune.
2. Set the current value. Press the V/A button. The current readout flashes. Turn the adjustment knob
until you reach the approximate desired current. Press the adjustment knob to select a digit in the
current readout and turn to fine-tune. If you enable the over-current protection, the output switches
off automatically if the current exceeds this value.
3. Press the memory save key. The readout will flash. Press the desired memory button to save.
5.5 Setting Recall
Press the corresponding memory key to recall a previously saved setting.
REMARK
The output is switched off automatically when pressing a memory
button.
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