UNI-T UDP3305S-E - Page 7

UDP3305S Series Programmable DC Power Supply User Manual
Command
processing
time
＜100ms
＜100ms
Output range
Adjustable continuously from 0 to
rated voltage
Adjustable continuously from 0 to
rated voltage
Constant
current mode
Regulation
Power supply regulation:
≤0.01%+250μA
Power supply regulation:
≤0.01%+250μA
Load regulation: ≤0.01%+250μA
Load regulation: ≤0.01%+250μA
Ripple
current
≤2mArms
≤2mArms
Output range
Adjustable continuously from 0 to
rated current
Adjustable continuously from 0 to
rated current
Tracking
mode
Parallel
connection
Power supply regulation:
≤0.01%+2mV
Power supply regulation:
≤0.01%+2mV
Load regulation: ≤0.01%+2mV
Load regulation: ≤0.01%+2mV
Series
connection
Power supply regulation:
≤0.01%+3mV
Power supply regulation:
≤0.01%+3mV
Load regulation: ≤300mV
Load regulation: ≤300mV
Tracking
error
≤0.5%+10mV（10~30V no load）
≤0.5%+30mV（0~9.99V no load）
Connected load ≤300mV
≤0.5%+10mV（10~30V no load）
≤0.5%+30mV（0~9.99V no
load）
Connected load ≤300mV
Measurement
Display
Voltage full scale, 4 digits display；
LCD
Voltage full scale, 5 digits
display；LCD
Current full scale, 4 digits display；
LCD
Current full scale, 4 digits
display；LCD
Programming
resolution
Voltage: 10mV
Voltage: 1mV
Current: 1mA
Current: 1mA
Read back
resolution
Voltage: 10mV
Voltage: 1mV
Current: 1mA
Current: 1mA
Programming
accuracy
（25±5℃）
Voltage: ±（0.3%+20mV）
Voltage: ±（0.03%+10mV）
Current: ±（0.2%+5mA）
Current: ±（0.2%+5mA）
Read back
accuracy
（25±5℃）
Voltage: ±（0.1%+20mV）
Voltage: ±（0.03%+10mV）
Current: ±（0.15%+5mA）
Current: ±（0.15%+5mA）