Programmable DC Power Supply with High Precision

Features
PC operate
Support RS-232, USB interface, support RS-485 by convert interface
Equip special PC software can support Chinese simplified,Chinese traditional, English
Realize precise voltage setting, output control ON/OFF, support voltage scan by PC software
Can memory the current set value and recall at free time
Real-time show voltage and current output curve and you can select save current test result
Support the wheel of the mouse, Direction key of the keyset, the page up/down key can adjust voltage and current value
The minimum step time of voltage is 300ms, the minimum step of voltage is 10mV, the current control precision is 1mA,you can free set step time or voltage by PC software
Panel operate:
Digital control circuit: The MCU control the power output, compensate, use numeric
Key or up/down key adjust voltage
Five memory key can preset voltage and current and free recall
Voltage display precision: DC0.01V, Current display precision: DC0.001A
Voltage output precision :±0.01V, Ripple≤5Mv, Line regulation: 0.01V
Output rating: DC30V/3A, DC30V/5A, DC60V/3A, DC60V/5A
Support constant voltage (CV)constant current (CC) output, digital control limit current value(can be accurate to 0.001A), stable voltage, stable current automatic convert
Offer over voltage, over current protect, free set over voltage and over current value by numeric keys, you can select stable voltage output, stable current output or shut output, offer comprehensive protect for your product
You can free memory current voltage and recall at any moment
Shut output protection: you can set switch between five memory key the output is ON or
OFF by press “shift” key
Support series voltage jump, shortcut setting, rapid output, no need turn-off the power
Free set the maximum output voltage
Keypad lock
Technical Specifications
Input voltage: 110V A
Input power: 160VA
Output rating Voltage: 0~30V
Output rating Current: 0~3A
Line regulation ±％ of Output + offset: V:CV≤0.01%+3Mv; A: CC≤0.05%+5mA
Load regulation ±％ of Output + offset: V: CV≤0.01%+3Mv; A: CC≤0.05%+5mA
Set accuracy@25℃ ±％ of Output + offset: V: ≤0.1%+10mV; A: ≤0.1%+10mA
Read back resolution: V: 10mV, 1mV; A: 10mA, 1mA
Measure accuracy25℃ ±％ of Output + offset: V: ≤0.05%+5mV; A: ≤0.05%+5Ma
Measure speed: V: 160ms/ones; A: 160ms/ones
Ripple 20~20MHz: V ≤1mVrms/3mV(P-P); A: ≤0.05%+5mA
temperaturecoefficient@0~40℃ ±％ of Output + offset: V: ≤0.05%+10mV; A: ≤0.1%+10mA
Dimension(W*H*L): 130*188*256
Weight: ≤4.5Kg
Accessories
Manual
Software CD-ROM
Standard RS-232 Interface cable
USB-RS-232 Interface cable