Metrel MI 3281 WR Analyser – Transformer Winding Resistance Tester | Duncan Instruments – Duncan Instruments Canada Ltd
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester
METREL MI 3281 Transformer and Winding Resistance Tester

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METREL MI 3281 Transformer and Winding Resistance Tester

Regular price $ 14,654.00 CAD $ 13,655.25 CAD Sale

✅ Built for Power Professionals

Need fast, reliable transformer diagnostics without hauling a lab around? The MI 3281 WR Analyser from Metrel delivers advanced winding resistance analysis in a rugged, portable unit—ideal for utilities, service companies, and industrial maintenance crews.


🔍 What It Does – and Why It’s Better

The MI 3281 measures winding resistance in distribution and power transformers with precision and speed. Unlike simpler testers, it supports true 4-wire Kelvin measurement, automatic demagnetization, and even temperature compensation. Combined with Metrel’s intuitive interface and PC software, it takes the guesswork out of condition assessment.

  • Test current up to 10 A for fast saturation

  • Automatic tap changer control with demagnetization

  • High resolution, stable results

  • USB and Bluetooth® for data export

  • Works seamlessly with Metrel ES Manager for reporting


⚙️ Key Specifications

  • Test Current: 0.5 A to 10 A (selectable)

  • Measurement Range: 0.1 μΩ to 2 kΩ

  • Accuracy: ±(0.1% of reading + 0.1% of full scale)

  • Demagnetization: Yes

  • Temperature Compensation: PT100/1000 input

  • Interfaces: USB, Bluetooth

  • Power Supply: 230 V / 115 V AC, 50/60 Hz

  • Weight: 8.5 kg

  • Standards: IEC/EN 61557-1, IEC/EN 61010-1