The YCS-103 Three-Phase Power Source is a high-precision, programmable power source designed for energy meter testing and calibration. It provides independent three-phase voltage and current outputs, making it suitable for testing both three-phase and single-phase electricity meters in laboratories, meter production lines, and test benches.
Three independent voltage and current channels
Supports accurate testing of three-phase and single-phase energy meters
High accuracy & long-term output stability
Ensures reliable and repeatable results for meter verification and calibration
Programmable harmonic output (2nd–41st harmonics)
Adjustable harmonic amplitude and phase angle, compliant with modern meter testing standards
RS-232 communication interface
Enables fully automatic operation and easy integration with meter test bench systems
Optional built-in keyboard
Supports both manual control and PC-controlled operation
Rugged aluminum alloy housing
Lightweight, corrosion-resistant, and suitable for long-term industrial use
Comprehensive protection design
Built-in protection against overload, voltage short-circuit, and current open-circuit
User-friendly control software
Simple interface for fast setup, operation, and testing efficiency
CE certified
Complies with EU health, safety, and EMC standards
Energy meter calibration laboratories
Electricity meter production lines
Meter test bench systems
Power utility testing departments
R&D and quality inspection environments
