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| Brand | Beijing Liuyi (LY) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-6D |
| Output Channels | 4 independent parallel outputs |
| Voltage Range | 6–600 V (1 V resolution) |
| Current Range | 4–600 mA (1 mA resolution) |
| Power Range | 1–300 W (1 W resolution) |
| Display | Large LCD showing real-time voltage, current, power, and timer |
| Memory Capacity | 10 programmable 3-step protocols |
| Operation Modes | Single-step, multi-step, and auto-recovery after power interruption |
| Safety Features | Over-voltage, over-current, over-power, and short-circuit protection with audible/visual alarm |
| Standby Current Maintenance | Yes |
| Dimensions (W×D×H) | 246 × 360 × 80 mm |
| Brand | Beijing Liuyi (LY) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-7C |
| Output Range | 2–300 V (1 V resolution), 5–2000 mA (2 mA resolution), Max Power: 300 W |
| Parallel Outputs | 4 independent channels |
| Protection Features | Over-voltage, over-current, over-load, and load-mismatch detection |
| Display | LCD with real-time simultaneous readout of voltage, current, and timer |
| Control | Microprocessor-based digital control with memory recall |
| Power Architecture | High-efficiency switching-mode power supply |
| Dimensions (W × D × H) | 315 × 290 × 128 mm |
| Weight | 5 kg |
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