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Supports measurement of active/reactive power and energy with high accuracy.
Automatic color marking for fast diving and start-up testing.
Measures basic error, average error, standard deviation, and 24-hour variation.
Can test multiple meters with same voltage/current but different constants simultaneously without circuit decoupling.
Includes current open-circuit detection, automatic short-circuit protection, voltage fault detection, and optional temperature module.
Automatic error data processing, storage, and online output via software.
Flexible report generation with barcode input and database download support.
Modular design with one-time wiring and automatic crimping for efficient operation.
Multi-protocol RS485 server ensures smooth communication and protocol conversion.
Time period switching, demand cycle, freeze function, and timing error testing.
Meter display and combination error verification.
Four-quadrant reactive power and error consistency testing.
Optional dual circuit test for anti-tampering meters.
Dynamic power, load variance, charge control, and residual power accuracy tests.
Performance tests including overload, overvoltage, tilt impact, infrared, Bluetooth, and carrier wave.
Advanced harmonic analysis meeting IR46 standards for sharp/flat top waves and various harmonics calibration.