The Motwane Manufacturing Company Private Limited

The XWRM-10A Transformer Winding Resistance Meter is designed for accurate and fast measurement of highly inductive loads such as transformers, reactors, generators, and motors. The instrument uses direct three‑channel digital reading to test windings simultaneously, ensuring quick and reliable results. Its high‑contrast, large alphanumeric display allows clear visibility even in bright sunlight, and the very fast discharge time helps reduce overall testing duration. Selectable maximum current range ensures protection of small transformers during testing.The instrument includes built‑in demagnetization circuitry, enabling demagnetization of the transformer core upon completion of resistance testing or as a standalone function before SFRA testing. The XWRM allows measurement on transformers with on‑load tap changers, providing make‑before‑break indication for operator safety. For advanced analysis, the unit supports internal mass memory for 2000 test records and features USB connectivity for data export. A remote trigger switch and emergency stop are provided for safe operation, and Bluetooth connectivity through the MOT‑WARE mobile application enables cloud‑based data storage and analysis.

Applications

· Power Transformer

·  Motor and Generator

· Reactor

· Heat Run Test

·  OLTC Dynamic Test

Features

· Direct 3‑channel digital reading allows testing of windings at a time

·  Very fast discharge time

· High‑contrast, large alphanumeric display for clear visibility in bright sunlight

· User‑selectable maximum current range ensures protection of small transformers

· Built‑in demagnetization circuitry for demagnetizing the transformer core upon completion of resistance testing or as a standalone feature before SFRA testing or when the transformer is put back in service.

· The XWRM allows for test of transformers with on‑load tap‑changers and provides make‑before‑break indication in the event of any discontinuity.

· For those users who choose to create an external interlock safety perimeter, a safety Emergency Stop is provided.

·  Remote trigger switch is also provided for testing transformers with tap‑changers.

·          Internal flash memory allows for mass storage of dataset records, for later recall and analysis.
Standards Safety

• Complies with IEC 61010‑1
• EMC in accordance with IEC 61326‑1
• Type test in accordance with IEC 60068
• Measurement Category – CAT III (600V)
• Reinforced insulation
• CE Certified

Accessories

• Test leads (15 meter) : 1 Set
• Short links (5 meter) : 2 Nos
• Master earthing cable (5 meter) : 1 No.
• Mains cord straight, length – 3.0 mtrs : 1 No.
• Instruction manual for XWRM‑25A : 1 No.
• Thermal paper roll – 57×30 : 1 No.
• USB 2.0 A/B cable 15 mtr long : 1 No.
• OLTC probe : 1 No.
• Magnetic/Temperature sensor probe : 2 Nos
• Pen drive : 1 No.
• Test & Calibration Certificate : 1 No.
• Spare Fuse : 2 Nos