| Model | UDP6720 | UDP6721 | UDP6730 | UDP6731 | |
| Channel | Channel | 1 | |||
| Output Rating | Voltage | 0~60V | 0~40V | 0~80V | |
| Current | 0~5A | 0~8A | 0~30A | 0~15A | |
| Power | 100W | 180W | 360W | ||
| Load Regulation | Voltage | ＜0.01%+3mV | ＜0.01%+5mV | <0.03%+15mV | <0.03%+30mV |
| Current | ＜0.01%+3mA | ＜0.01%+5mA | <0.03%+30mA | <0.03%+15mA | |
| Line Regulation | Voltage | ＜0.01%+3mV | ＜0.01%+5mV | <0.03%+15mV | <0.03%+30mV |
| Current | ＜0.1%+3mA | ＜0.1%+5mA | <0.1%+15mA | <0.1%+10mA | |
| Programming Accuracy | Voltage | ＜0.05%+10mV | <0.1%+10mV | ||
| Current | ＜0.2%+2mA | ＜0.3%+5mA | <0.3%+30mA | <0.3%+10mA | |
| Read back Accuracy | Voltage | ＜0.05%+10mV | <0.1%+10mV | ||
| Current | ＜0.1%+2mA | ＜0.3%+5mA | <0.3%+30mA | ||
| Ripple and Noise | Voltage | ＜2.0mVrms | ＜5.0mVrms | <12mVrms | |
| Current | ＜5.0mArms | ＜8.0mArms | <72mArms | <27mArms | |
| Set resolution | Voltage | 10mV | |||
| Current | 1mA | ||||
| Readback resolution | Voltage | 10mV | |||
| Current | 1mA | 10mA | |||
| Temperature coefficient | Voltage | ≤100ppm/℃ | ≤300ppm/℃ | ||
| Current | ≤200ppm/℃ | ≤300ppm/℃ | |||
| Display | Display | 2.8-inch LCD，4-digit display | |||
| Dimension | W*H*D | 87*174*255（mm） | |||
| Weight | Net | ＜2.5kg | |||
| Interface | Interface | RS232，Remote compensation | |||
| Input | Voltage | AC:110(±10%)V/220(±10%)V | |||
| Frequency | 50Hz/60Hz | ||||
| Environment | Operating temperature | 0℃~45℃ | 0℃~40℃ | ||
| Operating humidity | 20%~80%（Non condensing） | ||||
| Storage | -20℃~70℃ | ||||
| Altitude | ≤2000m | ||||
| Pollution degree | 2 | ||||