PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
2 
1-2. Feature 
1)  An overall digitalization of programmable interface with high resolution 
and accuracy. 
2)  High stability and low draft. 
3)  Excellent contrast and brightest VFD display. 
4)  Single output and double range. 
5)  Constant voltage/current operation. 
6)  Low ripple and noise. 
7)  The convenient and high efficiency operation of setting interface. 
8)  Wheel knob for Fine and Coarse adjustment and item selection. 
9)  Both front and rear panels are equipped with Remote voltage sensing. 
10)  The protection function of output ON/OFF and Over Voltage/Current/ 
Temperature protection. 
11)  Intelligent control fan (Vary with different output power). 
12)  Warning signal by the built-in Buzzer. 
13)  A programmed calibration procedure. 
14)  The brand new panel design and the 1/2 rack size reduction volume 
design. 
15)  Save and Recall function of 100 groups setting and proceed together 
with auto operation can achieve the purpose of auto test.     
16)  IEEE-488.2 and SCPI compatible command setting. 
17)  Correspond to many safety regulations. 
 
PSM-SERIES PROGRAMMABLE POWER SUPPLY 
USER MANUAL 
 
  
 
3
2. TECHNICAL SPECIFICATIONS 
Specification PSM-2010 PSM-3004 PSM-6003 
Low Range 0~ +8V / 0~20A 0~ +15V / 0~ 7A 0~ +30V / 0~6A 
DC Output 
High Range 0~ +20V/0~ 10A 0~ +30V/0~4A 0~ +60V/0~3.3A 
Regulation
(% output + 
offset) 
Load regulation  ≦ 0.01% + 2mV 
Line regulation  ≦ 0.01% +2mV 
Constant  
Voltage 
Operation 
Ripple & 
Noise 
<350uVrms/ 
3mVpp 
<350uVrms/ 
2mVpp 
<500uVrms/ 
3mVpp, 
<1mVrms/ 
3mVpp 
(Rating voltage 
>50V)
 
Regulation
(% output + 
offset) 
Load regulation  ≦ 0.01% + 250uA 
Line regulation  ≦ 0.01% +250uA 
Constant  
Current 
Operation 
Ripple & 
Noise 
2mArms 
Resolution 
Voltage 1mV  1mV  2mV 
Programming
Current 1mA  0.5mA  0.5mA 
Voltage 0.5mV  0.5mV  1mV 
Readback 
Current 1mA  0.1mA  0.5mA 
Voltage 1mV 
Front Panel 
Current 1mA(<10A),10mA(≧10A) 
OVP 10mV 
OCP 10mA