The RM3548-50 is a precision handheld resistance meter measuring from 0.1 µΩ to 3.5 MΩ. It offers effortless operation and accuracy, making it ideal for EV maintenance, aircraft overhaul, and motor inspections.
Product Introduction Video
Leveraging its precision, the RM3548-50 goes beyond basic resistance measurement. It not only performs temperature correction but also converts resistance to estimated motor temperatures and calculates cable lengths with 1 cm precision. Its versatile probes, including high-durability pin-types and needle probes that measure through paint, meet various maintenance needs. Advanced connectivity enables seamless wireless data output for efficient recording and management of measurements. Ensuring precise readings with a four-wire method and offset voltage compensation (OVC), the RM3548-50 is the go-to tool for dependable precision maintenance.
Key Features
- 0.02% basic accuracy, 0.1 µΩ max. resolution, 1 A max. testing current
- Measure from 0.1 µΩ (testing current 1 A) to 3.5 MΩ
- Automatic temperature correction ensures accurate results & faster testing
- Advanced Connectivity: seamlessly integrate data with Excel® and a mobile app to manage & analyze data efficiently (*1)
- Protections for safe operation: halts operation & triggers alerts when incorrect voltage inputs are detected
- Versatile Applications: Ideal for EV, aircraft, & motor/transformer maintenance with various probe options





