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| ☆ DC High Current Precision Measurement |
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When I ≥ 11 A, establish the current measurement system with I/I transfer standard and precision voltmeter.
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| ☆ DC Small Current Precision Measurement |
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When ≤ 11 A, TH0300 can be directly used as I/V transfer standard.
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| Model | Nominal Resistance @ 23°C | Initial Deviation (±ppm) | Accuracy (±ppm) |
Annual Stability (±ppm) |
Maximum Current (A) |
Temperature Coefficient (±ppm/°C) |
| TH0300-0.1R | 0.1 Ω | 5 | 2.5 | 15 | 11.0 | 1 |
| TH0300-0.2R | 0.2 Ω | 5 | 2.5 | 15 | 5.5 | 1 |
| TH0300-0.5R | 0.5 Ω | 5 | 2.5 | 15 | 2.2 | 1 |
| TH0300-1R | 1 Ω | 5 | 2.5 | 5 | 1.1 | 1 |
| TH0300-2R | 2 Ω | 5 | 2.5 | 5 | 0.55 | 1 |
| TH0300-5R | 5 Ω | 5 | 2.5 | 5 | 0.22 | 1 |
| TH0300-10R | 10 Ω | 5 | 2.5 | 5 | 0.11 | 1 |
| Power supply | -- |
| Temperature performance | Operating temperature: 18 °C ~ 28 °C; Storage temperature: -10 °C ~ 55 °C; |
| Humidity performance | Operating humidity: (40%-60%) R·H, no condensation; Storage humidity: 95% R·H, no condensation; |
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