The YC1891D-12 Single Phase Meter Test Bench is a precision testing system designed for comprehensive performance evaluation of single-phase energy meters. This industrial-grade equipment features aluminum alloy construction for durability and corrosion resistance.

• Tests 1P2W single-phase meters with 12 meter positions
• Comprehensive testing capabilities including active power, reactive power, and harmonic analysis
• MSVT compatibility for testing meters with closed I-P links
• Current output switch for 2-element meter calibration (optional)
• RS232 and Ethernet communication ports for automated calibration
• Supports mechanical, electromechanical, and electronic meters
• Automatic positioning of mechanical meter rotor marks for enhanced efficiency
• Synchronized scanning heads simplify operation and control
• Starting test and creeping test functionality
• Synchronous measurement of different meter constants
• Built-in protection against overload, short voltage circuit, and open current circuit
• Windows 10/XP compatible software with comprehensive testing modules
• Multi-format data export capability
• CE certified for EU health and safety compliance

• Test Voltage: 24V - 288V or customized
• Power Output: 100VA - 1000VA (model dependent)
• Resolution: Better than 0.01% of full scale range
• Setting Accuracy: Better than 0.05% at final range value
• Stability: Better than 0.005%/h (150s integration)
• Load Regulation: Better than 0.01% (0 to max load)
• Distortion Factor: Better than 0.3% for linear resistance load
• Harmonics: 2nd - 21st freely programmable

• Test Current: 1mA - 100A or customized (max 200A)
• Power Output: 150VA - 1500VA (model dependent)
• Resolution: Better than 0.01% of full scale range
• Setting Accuracy: Better than 0.05% at final range value
• Stability: Better than 0.005%/h (150s integration)
• Load Regulation: Better than 0.01% (0 to max load)
• Distortion Factor: Better than 0.3% for linear resistance load
• Harmonics: 2nd - 21st freely programmable

• Phase Angle Range: 0-360° with 0.01° resolution and 0.1° accuracy
• Frequency Range: 45Hz - 65Hz with 0.01Hz resolution
• Error Display: 8-digit red LED resolution
• Voltage Supply: 220V±10% or 3x220/380V±10% (customizable)
• Operating Temperature: -10°C to +40°C
• Relative Humidity: 35% to 85%