| model | APS-4000A | APS-4000B | APS-4000C | |
| capacity | 350VA | 700VA | 1200VA | |
| Operating mode | SPWM (Sinusoidal Pulse Width Modulation) | |||
| Input | ||||
| Phase | 1φ2W | |||
| Voltage | 220V ± 10% | |||
| frequency | 45-250Hz (0.01step) | |||
| Output | ||||
| Phase | 1Φ2W | |||
| Voltage | 0 ~ 150VAC / 0 ~ 300VAC AUTO | |||
| frequency | 45 ~ 250Hz (0.01step) | |||
| Maximum current | L = 120V | 3A | 6A | 10A |
| H = 240V | 1.5A | 3A | 5A | |
| Load regulation | 1% | |||
| Waveform distortion | 2% (low-end 120V, high-end 240V, with pure resistance load) | |||
| Frequency stability | 0.01% | |||
| display | Voltage / current / frequency / power / power factor | |||
| Voltage resolution | 0.01V | |||
| Frequency resolution | 0.01Hz | |||
| Current resolution | 0.001A | |||
| storage | M1 ~ M5 (V_F_A) | |||
| Test accuracy | Voltage | ± 0.5% FS + 5dgt | ||
| Electric current | ± 0.5% FS + 5dgt | |||
| frequency | ± 0.01% FS + 5dgt | |||
| power | ± 0.5% FS + 5dgt | |||
| Setting accuracy | Voltage | ± 1% FS | ||
| frequency | ± 0.1% FS | |||
| Current limit setting | 0 ~ Max Current (The maximum current is: maximum capacity / 240V or P / 240) | |||
| Output protection | Overcurrent, overtemperature, overload, short circuit | |||
| Operating environment | 0 ~ 40 ° C ≤80% RH | |||
| Bare metal size | mm | 365 * 150 * 430 | 365 * 150 * 430 | 365 * 150 * 430 |
| Packing size | mm | 510 * 255 * 550 | 510 * 255 * 550 | 510 * 255 * 550 |
| net weight | kg | 12.7 | 15 | 18.5 |
| Gross weight | kg | 14.5 | 16.7 | 20 |