Description
RM3544 Resistance Meter for Precision DC Testing
The RM3544 Resistance Meter provides high-precision DC resistance measurements for a wide variety of electrical components, including motors, transformers, solenoids, and contact points in relays and switches. With a broad measurement range from 30 mΩ to 3.5 MΩ and a maximum resolution of 1 μΩ, the RM3544 enables precise evaluation of component quality on both manual and automated production lines.
One of the standout features of the RM3544 is its temperature correction function. Resistance in copper and other conductive materials changes with temperature, which can lead to inaccurate readings. The RM3544 simultaneously measures temperature and resistance and applies automatic compensation, providing accurate, repeatable results for fast-paced production environments.
For high-speed testing, the RM3544 offers a measurement speed of 21 ms (50 Hz) or 18 ms (60 Hz), ensuring production lines operate efficiently without sacrificing accuracy. The RM3544-01 variant also includes EXT I/O, RS-232C, and USB communication, making it easy to integrate with automated systems, PLCs, or data logging software. The optional LED comparator attachment and high-volume judgment tones enhance the visibility of PASS/FAIL results even in noisy production areas.
This instrument is robust, easy to use, and designed for long-term operation in industrial environments. Its wide resistance range, high resolution, temperature compensation, and automation-friendly connectivity make it an essential tool for manufacturers looking to optimize quality control and testing speed.
Technical Specifications Table
| Specification | Details |
| Product Name | RM3544 Resistance Meter |
| Measurement Range | 30 mΩ to 3.5 MΩ |
| Resolution | 1 μΩ |
| Accuracy | ±0.02% rdg ±0.007% f.s. |
| Max Testing Current | 300 mA |
| Temperature Correction | Yes (with Z2001 sensor) |
| Measurement Speed | FAST: 21 ms (50 Hz) / 18 ms (60 Hz) |
| Display | 5-digit or 4-digit selection |
| Comparator Function | ABS/REF%, LED and audible PASS/FAIL |
| Connectivity | RM3544-01: EXT I/O, RS-232C, USB |
| Functions | Temperature correction, key-lock, auto-hold, averaging, panel store/load |
| Applications | Motors, transformers, coils, power relays, switches, connectors |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Dimensions (W×H×D) | 215 × 80 × 166 mm |
| Weight | RM3544: 0.9 kg, RM3544-01: 1.0 kg |
| Included Accessories | Power cord, Clip-type lead L2101, Instruction manual, Spare fuse, USB cable (RM3544-01 only) |
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