Ground tester, MI 3280, Metrel
The MI 3280 Digital Transformer Analyzer is a portable, battery-powered (Li-Ion) test instrument for diagnosing turns ratio, phase deviation, excitation current and winding resistance of single and three-phase transformers. It has excellent IP protection: IP65 (enclosure closed), IP54 (enclosure open), which allows the instrument to be used in harsh environments. The operation is simple and clear, allowing the user to operate the device without special training. For advanced users, the auto sequences and visual tests are available.