The HM2546/HM2546A user manual provides specifications, operation instructions, and maintenance guidelines for the high‑precision intelligent resistance tester.
This manual describes the HM2546 and HM2546A high‑precision intelligent testers, covering their technical specifications, working principle, and physical features. It explains the constant‑current testing method, measurement ranges, accuracy, and optional accessories such as I/O interface and printing cards.
Detailed operating instructions are provided, including key functions, measurement modes (continuous, hold, trigger), range selection, automatic sorting, statistical analysis, and protection features. The final sections cover maintenance, troubleshooting, and guidelines for connecting the instrument to production lines for online measurement. This manual is written in Chinese.
| Measurement range | 100 µΩ ~ 100 MΩ |
|---|---|
| Test current range | 80 nA ~ 200 mA |
| Power input | AC 220 V ±10 %, 50 Hz ±5 %, < 50 W |
| Dimensions | 340 mm × 320 mm × 110 mm |
| Weight | ≈ 5 kg |
Press the “SPEED” soft key while in measurement mode; the display cycles through FAST, MED, and SLOW speeds.
Press the “PRINT” soft key; the status toggles between ON (printing enabled) and OFF (printing disabled).
Enter the range menu, press the “AUTO” soft key, then confirm with “SPEC./ENTER” to enable automatic range searching.