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DC Resistance Tester
Single Channel DC Resistance Tester SMR240
Product Description
| Item | SMR240 | SMR230 | SMR220 |
|---|---|---|---|
| Test Range | 0.01μΩ~1000MΩ (12 ranges) | 0.1μΩ~10MΩ (10 ranges) | 0.1μΩ~3.3MΩ (10 ranges) |
| Resolution | 0.01μΩ | 0.1μΩ | 0.1μΩ |
| Accuracy | 0.01% | 0.01% | 0.02% |
| Channels | Single channel | Single / 24PH / 48PH | Single / 24PH / 48PH |
| Test Mode | Four-wire | Two/Four-wire (switchable) | Two/Four-wire (switchable) |
| Test Items | DC resistance, temperature | DC resistance, temperature | DC resistance, temperature |
| Test Speed | Fast: 2.2msMedium: 21ms/18msSlow: 200ms | Fast: 21ms/18msSlow: 200ms | Fast: 21ms/18msSlow: 200ms |
| Temperature Range | -10°C ~ 60°C | -10°C ~ 60°C | -10°C ~ 60°C |
| Temperature Accuracy | ±1°C | ±1°C | ±1°C |
| Correction | Zero short-circuit clearance in full scale | Same | Same |
| Comparator | 12 levels; HIGH/IN/LOW sorting support | 10 levels; HIGH/IN/LOW sorting support | 10 levels; HIGH/IN/LOW sorting support |
| Other Functions | Temperature compensationPower frequency setting | Same | Same |
| Protocol | SCPI | SCPI | SCPI |
| Interfaces | RS232 / RS485 / LAN / External I/O | RS232 / LAN / External I/O | RS232 / LAN / External I/O |
| Size (L×W×H) | 325mm × 215mm × 96.5mm | Same | Same |
| Weight | 2kg | 2kg | 2kg |
| Annex | Power cord, test clip, temperature probe | Power cord, test clip, temperature probe,optional probe pen (multi-channel models include cables) | Power cord, test clip, temperature probe,optional probe pen (multi-channel models include cables) |
| Key Features | Wide range (0.01μΩ~1000MΩ)Highest accuracyAnti-interferenceAutomation-ready interfaces | Multi-channel (24PH/48PH) supportTwo/Four-wire switch0.01% accuracy | Same as SMR230, but accuracy is 0.02%, range is up to 3.3MΩ |
