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Programmable DC Power Supplies

Programmable DC Power Supplies

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Description

Programmable DC Power Supplies
SK3323/3325
SK3323/3325 has RS232 programmable interface and optional USB interface, supports to output regulated current as preset time. Adopting LIC, three channels of output are supplied. It is of programmable CV/ CC adjustable step. The two working states, CV and CC, can be switched varying with the load. Series/Parallel and independent working selection can be realized.
FEATURES
Three output modes: independent, series and parallel
Timer function to output as preset time
Smart controlled fan, effectively reduce the noise
Keypad locked function to avoid misoperation
Standard RS-232 interface, optional interface USB

SPECIFICATIONS
Model SK3323 SK3325
Channel CH1, CH2 CH3 CH1, CH2 CH3
Independent 0 ~ 32V/0 ~ 3A×2 1.8 ~ 5V/3A×1 0 ~ 32V/0 ~ 5A×2 1.8 ~ 5V/3A×1
Series 64V/3A 64V/5A
Parallel 32V/6A 32V/10A
Voltage/Current
Voltage Output 0 ~ 32V 1.8V/2.5V/3.3V/5V 0 ~ 32V 1.8V/2.5V/3.3V/5V
Current Output 0 ~ 3A Max. 3A 0 ~ 5A Max. 3A
Voltage Step 10mV 10mV
Current Step 1mA 2mA
Source Effect
CV ≤1×10-4+5mV ≤5mV ≤1×10-4+5mV ≤5mV
CC ≤1×10-2+3mA ≤1×10-2+3mA
Load Effect
CV ≤1×10-4+5mV ≤5mV ≤1×10-4+5mV ≤5mV
CC ≤1×10-2+5mA ≤1×10-2+5mA
Period and Random Deviation (PARD)
CV ≤1mV ≤2mV ≤1mV ≤2mV
CC ≤3mA ≤3mA
Display Resolution
Voltage 10mV 10mV
Current 1mA 2mA
Accuracy
Voltage ≤ ± (0.2% + 30mV) ≤ ± (2% + 50mV) ≤ ± (0.2% + 30mV) ≤ ± (2% + 50mV)
Current ≤ ± (0.5%+5mA) ≤ ± (5% + 50mA) ≤ ± (0.5%+10mA) ≤ ± (5% + 50mA)
Double Group Synchronism Deviation
CV ± (0.4%+60mV) ± (0.4%+60mV)
CC ± (1%+10mA) ± (1%+20mA)
General Characteristics
Power AC110V/220V(1±10%), 50Hz(1±5%)
Interface RS-232, USB (optional)
Dimension & Weight 227×140×330mm, Approx. 8.5kg 227×140×380mm, Approx. 10.5kg

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