☆ DC High Current Precision Measurement |
When I ≥ 11 A, establish the current measurement system with I/I transfer standard and precision voltmeter. |
☆ DC Small Current Precision Measurement |
When ≤ 11 A, TH0300 can be directly used as I/V transfer standard. |
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; |