Single-phase intelligent energy meter calibration device designed as a split/integral all-electric crimp type system according to national standards and regulations. Provides comprehensive testing solutions for IR46 energy meters and supports inspection of various electronic multifunctional energy meters up to 0.2 level accuracy.

• Measurement modes: active power, reactive power, active energy, reactive energy
• Automatic color searching mark for quick diving and start-up testing
• Comprehensive error measurement including basic error, average error, standard deviation, and 24h variation
• Simultaneous testing of multiple power meters without decoupling current and voltage circuits
• Advanced safety features: current open-circuit detection, automatic shorting, voltage fault detection
• Modular electrical structure with automated crimping for each table position
• Multi-protocol conversion RS485 server for parallel processing of communication protocols

• Time period switching and meter indication testing
• Voltage effect, frequency effect, and harmonic effect analysis (2-21 times)
• Optional dual circuit test function for anti-theft power meter verification
• Dynamic power testing, load current variation analysis, and charge control function testing
• Current overload performance testing and short-time overvoltage performance evaluation
• Comprehensive harmonic function testing for various harmonic modes including IR46 compliance

Suitable for electric power departments, energy meter production facilities, measurement and quality inspection departments, electric science institutes, and industrial enterprises requiring precise energy meter calibration and testing.