Product description The MTR 105 is a specialized rotating machinery tester that combines Megger's proven expertise in insulation resistance (IR) measurement with advanced low-resistance, capacitance, inductance, and rotation testing methods in a single portable device. It provides a comprehensive view of motor condition, enabling precise and confident assessment of windings, connections, and overall health. Designed for manufacturing, service, and repair teams, the MTR 105 helps make quick and reliable decisions throughout the asset lifecycle.