| Main Technical Indicators | Parameter Value |
| Power Supply | AC220V±10%, 50Hz±2Hz |
| Ambient Temperature | -10°C ... +40°C |
| Ambient Humidity | 35% ... 95% |
| Output Voltage Range | 24V ... 288V |
| Output Voltage Power | 1000VA (Max) |
| Voltage Resolution | 0.01% |
| Voltage Stability | 0.02%/120s |
| Load Change Rate | 0.01% |
| Voltage Distortion | ≤0.3% (Full linear load range) |
| Output Current Range | 1mA ... 120A (Up to 230A Max) |
| Output Current Power | 2000VA (Max) |
| Current Resolution | 0.01% |
| Current Stability | 0.02%/120s |
| Load Change Rate | 0.01% |
| Current Distortion | ≤0.3% (Full linear load range) |
| Continuous Current | 100A |
| Phase Adjustment Range | 0° ... 360° |
| Phase Resolution | 0.01° |
| Frequency Adjustment Range | 45Hz ... 65Hz |
| Frequency Resolution | 0.01Hz |
| Power Output Stability | 0.02%/120s |
• Active/reactive power & energy metering tests
• Starting & creep tests with auto-calibration
• 24 h drift, error, deviation analysis
• Voltage, frequency, harmonic (2–21), phase-sequence influence tests
• Non-disconnect testing, open-circuit & short-circuit protection
• Simultaneous current measurement; optical head auto-scan
• Electric/manual modes, PC software for data, barcode input
• 3–60 meter positions, rack scalable
• Bidirectional active & reactive energy error testing
• SW-5D precision time-base for daily clock-error measurement
• Communication protocol test and broadcast time synchronization
• Constant verification (pulse counting, elapsed-time, or start-stop energy methods)
• Tariff-switching, demand-interval, and demand-value error testing
• Register reading and combined register error testing
• Optional: power-consumption test, tilt-influence test, prepaid-meter test suite


