2017年5月22日星期一

Programmable DC Power Supplies SK3303

SK3303 power supply has RS232 programmable interface and optional USB interface. The two working states, CV and CC, can be switched varying with the load. Series and independent working selection can be realized for the two channels. It is widely applied in national defense, institution, university and factory, especially in the areas of computer measuring and automatic control system as DC power supply.
FEATURES
3 Channel outputs
Keypad input without potentiometer adjusting
Voltage and current output status are both displayed
Step output mode, Easy setting with step 10mV.
Software Calibration function
Short circuit protection function to guarantee the safety
CV/CC protection, over-voltage protection. Intelligent controlled fan
Standard RS-232, optional interface of USB
sk3303
Programmable DC Power Supplies SK3303
SPECIFICATIONS
 CH1 & CH2CH3
Output Voltage
Voltage0 ~ +30V/0 ~ -30V5V/3.3V Fixed
Resolution10mV 
Max. Output Voltage+32V/-32V 
Double Group Synchronism   Deviation±20mV 
Accuracy± (0.2% of rdg+3digits)±2%
Output Current
Current0 ~ +3A/0 ~ -3A 
Resolution1mA 
Max. Output Current+3A/-3A3A Fixed
Double Group Synchronism   Deviation±10mA 
Accuracy±(0.5% of rdg+5digits) 
CV Characteristics
Source Effect1mV5mV
Load Effect2mV10mV
Ripple1.5mVrms2mVrms
CC Characteristics
Source Effect15mA typical 
Load Effect15mA typical 
General   Characteristics
PowerAC220V(1±10%), 50Hz(1±5%)
InterfaceRS-232, USB (optional)
Dimension & Weight360×225×130mm, Approx. 9kg

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