Velleman PS3003L User Manual
Page 3
PS3003L
HQ POWER
3
PS3003L – DC-REGULATED POWER SUPPLY WITH DOUBLE LCD DISPLAY
1. Introduction & Features
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for buying the PS3003L! Please read the manual thoroughly before bringing this device into service.
If the device was damaged in transit, don't install or use it and contact your dealer.
The PS3003L is a highly accurate,
DC-regulated power supply with an adjustable output. This output can be used for constant voltage (C.V.) and
constant current (C.C.). The current-limiting point can be set arbitrarily in this mode. The output current and voltage
are indicated through LCD displays.
2. Technical Specifications
Input Voltage
max. 220VAC / 50Hz
Output Voltage
0 ~ 36VDC
Output Current
0 ~ 18V/5A, 10 ~ 36V/3.5A
Source Regulation
C.V. < 2 x 10
-4
+ 1mV
C.C. < 5 x 10
-3
+ 1mA
Load Regulation
C.V. < 38mV
C.C. < 5 x 10
-3
+ 10mA
Ripple and Noise
C.V. < 3mV (RMS)
C.C. ≤ 10mA (RMS)
Display Accuracy
V ± 1X + 2 words
A ± 2X + 2 words
3. Description
1.
output voltage display
2.
output current display
3.
current-limit protection adjustment
4.
output voltage adjustment
5.
C.C. indicator, lights when the unit is in
C.C. state
6.
C.V. indicator, lights when the unit is in
C.V. state
7.
power switch, the unit is on when the
button is depressed, or when the C.C. or
C.V. indicator lights
8.
output terminal (+): used for the connection of the load's positive terminal
9.
ground connection of the housing: the housing is grounded
10.
output terminal (-): used for the connection of the load's negative terminal