Megger TTR300 TTR310 TTR330 Three-Phase Transformer Turns Ratio Meter

• Stand-alone or remote-control operation.
• Accurately measures ratio, phase deviation and excitation current.
• Field upgradeable without compromise to calibration.
• Built-in capability for storing and downloading test results in an XML format, via RS-232, Ethernet or USB ports (depending on model).
• Works in the presence of high interference/high voltage.
• Highest ratio measurement (45,000:1); highest accuracy (0.1%).
• Displays % error vs. name plate with pass/fail limits.