TH0330 Ultra-Stable Resistance Standard
The TH0330 is a series of ultra-high precision standard resistors designed for advanced metrology applications. Built using state-of-the-art stress-free structural technology, it offers outstanding long-term stability, extremely low temperature coefficient, and exceptional repeatability. This makes the TH0330 ideal for precision calibration laboratories, national metrology institutes, and high-accuracy electrical measurement environments where resistance traceability and stability are critical.
With excellent performance across key parameters such as temperature sensitivity, power stability, and annual drift, the TH0330 provides a dependable standard reference for calibrating resistance measuring devices, bridges, and precision test instruments. Its rugged construction and superior component quality ensure reliable operation under controlled laboratory conditions.
| Model | Nominal Resistance | Initial Deviation (ppm) | Calibration Uncertainty (ppm) | Annual Stability (ppm) | Temperature Coefficient (ppm/°C) | Rated Power (W) | Power Coefficient (ppm/power) |
|---|---|---|---|---|---|---|---|
| TH0330-1R | 1 Ω | 2 | 2.5 @ 23°C | 0.2 | 0.05 @ 23°C ± 5°C | 1.0 | 1 |
| TH0330-10R | 10 Ω | 2 | 2.5 @ 23°C | 0.2 | 0.05 @ 23°C ± 5°C | 1.0 | 1 |
| TH0330-100R | 100 Ω | 2 | 2.5 @ 23°C | 0.2 | 0.05 @ 23°C ± 5°C | 1.0 | 1 |
| TH0330-1kR | 1 kΩ | 2 | 2.5 @ 23°C | 0.2 | 0.05 @ 23°C ± 5°C | 1.0 | 1 |
General Specifications
- Power Supply: — (No power required)
- Operating Temperature: 18°C ~ 28°C
- Storage Temperature: 0°C ~ 50°C
- Wiring Method: 4-wire configuration
- Weight: Approx. 2.5 kg
Key Features
- Ultra-high precision resistance standard with extremely low drift.
- New stress-free internal structure improves long-term mechanical stability.
- Very low temperature coefficient of 0.05 ppm/°C ensures accuracy under varying ambient conditions.
- High stability with an annual deviation of only 0.2 ppm, ensuring long-term reliability.
- Wide range of nominal values including 1 Ω, 10 Ω, 100 Ω, and 1 kΩ supporting calibration applications.
- Capable of handling up to 1W rated power with low power coefficient influence.
- Ideal for laboratories performing high-end resistance calibration, traceability, and comparison measurements.