TH0400 Precision Coaxial Shunt
TH0400 Precision Coaxial Shunt
Electrical Calibration Standards
TH0400 is a series of 14 high-precision coaxial shunt devices engineered for accurate current-to-voltage conversion. Designed to support measurement ranges from 1 mA to 100 A, these shunts convert nominal current into a precise 1 V output, enabling wideband and high-accuracy current measurement. The TH0400 series is suitable for calibration laboratories, power measurement, wideband current source calibration, and precision testing of transformers, sensors, and metrology equipment. Its excellent stability, low temperature coefficient, and advanced coaxial structure ensure high reliability in demanding industrial and scientific applications.
| Model | Nominal Resistance (Ω) | Initial Deviation (±μΩ/Ω) | Annual Stability (±μΩ/Ω) | Temperature Coefficient (ppm/K) | Power Factor (±ppm/Rated Power) |
|---|---|---|---|---|---|
| TH0400-1mA | 1000 | 50 | 18 | 2.5 | 1 |
| TH0400-10mA | 100 | 50 | 18 | 2.5 | 1 |
| TH0400-20mA | 50 | 50 | 18 | 2.5 | 1 |
| TH0400-50mA | 20 | 50 | 18 | 2.5 | 1 |
| TH0400-100mA | 10 | 50 | 18 | 2.5 | 2 |
| TH0400-200mA | 5 | 50 | 18 | 2.5 | 4 |
| TH0400-500mA | 2 | 50 | 18 | 2.5 | 12 |
| TH0400-1A | 1 | 50 | 18 | 4.0 | 25 |
| TH0400-2A | 500 mΩ | 50 | 18 | 4.0 | 25 |
| TH0400-5A | 200 mΩ | 50 | 18 | 4.0 | 30 |
| TH0400-10A | 100 mΩ | 50 | 18 | 4.0 | 60 |
| TH0400-20A | 50 mΩ | 50 | 18 | 4.0 | 75 |
| TH0400-50A | 20 mΩ | 50 | 18 | 4.5 | 100 |
| TH0400-100A | 10 mΩ | 50 | 18 | 4.5 | 100 |
Key Features
- Wide measurement capability supporting currents from 1 mA to 100 A
- Precision coaxial structure ensuring excellent shielding and low noise
- High stability with low annual drift for long-term calibration reliability
- Low temperature coefficient ensuring accuracy across varying environments
- Compact and robust construction suitable for laboratory and industrial calibration
- 1 V standardized output for easy pairing with precision digital voltmeters
- Ideal for wideband current measurement, metering standards, and current source calibration
- Maintains high accuracy across wide frequency ranges and dynamic load conditions
- Optimized for transformers, sensors, coaxial shunts, and precision calibration systems
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