Voltage:
Up to
500
Vac
Current:
Up to
120
Arms
Frequency:
Up to
65
Hz
The MT551 is a precision meter test system designed for calibrating and testing electrical energy meters with exceptional accuracy. It delivers voltage outputs up to 500V and current outputs up to 120A with accuracy better than 0.2%, while supporting harmonic generation up to the 40th harmonic for comprehensive meter testing under distorted conditions. The MT551 is ideal for utility companies, meter manufacturers, and calibration laboratories requiring traceable standards for revenue-grade meter validation.
