The MI 3281 Winding Resistance Analyser (WR Analyser) is a portable test instrument intended for diagnosing of winding resistance of single and three phase transformers with manual or automatic tap changer test and demagnetization of tested transformer. Selectable test current in range from 10 mA to 20 A. The operation is straightforward and clear to enable the user to operate the instrument without the need for special training. For advanced users the AUTO SEQUENCES and visual tests are available.

Standard set: Metrel MI 3281, A 1715 5M H-side test cable, A 1716 5M X-side test cable, A 1757 Large Kelvin test clip with jaw opening 65 mm, A 1813 Tap changer control cable 10 m, USB cable, Mains cable, A 1552 Bag for accessories, Metrel ES Manager BASIC license, Instruction manual, Calibration certificate.