| MODEM | HY1502C | HY1503C |
| Input Voltage | 110/220V±10%AC | |
| Output Voltage | 0~15V | |
| Output Current | 0~2A | 0~3A |
| Source Effect | CV≤0.01%±1mV; CC≤0.02%±1mA | |
| Load Effect | CV≤0.01%±5mV; CC≤0.02%±5mA | |
| Ripple & Noise | ≤1mVrms | |
| Display | Voltage & amperometers display | |
| Accuracy | 2.5%f.s. | |
| Size | 206×153×110mm | |
| Weight | 3~4.5kg | |
