Fluke 742A Resistance Standards
- High-accuracy working standards for on-site resistance calibration.
- Small, rugged, and easy to transport.
- Temperature stability and six-month stability to 2.5 ppm.
- Temperature range: 18°C to 28°C.
- Designed to reduce resistance changes caused by thermal and mechanical shock.
- Description
- Additional information
- Specifications
Description
The Fluke 742A is a high-accuracy resistance standard designed to serve as a cornerstone for calibrating a wide range of resistance measurement devices. It embodies a commitment to precision and reliability, making it an indispensable tool for metrology laboratories and calibration professionals.
Key Features:
- Exceptional Accuracy:
- Delivers outstanding accuracy with uncertainties as low as ±4 ppm, ensuring highly reliable and trustworthy resistance measurements.
- This level of precision is critical for maintaining the integrity of measurement chains in demanding applications.
- Comprehensive Coverage:
- Provides a wide range of resistance values, typically from 1 ohm to 19 MΩ, covering a broad spectrum of measurement needs.
- This versatility allows for the calibration of a diverse array of resistance measurement devices.
- Unwavering Stability:
- Exhibits excellent long-term stability, ensuring consistent and dependable resistance values over time.
- This minimizes the impact of environmental factors and ensures the integrity of calibration results.
- Portability and Convenience:
- Designed with portability in mind, featuring a compact and rugged design for easy transportation and use in various laboratory environments.
- This facilitates on-site calibrations and enhances operational efficiency.
Applications:
- Calibration of Digital Multimeters (DMMs):
- Plays a crucial role in calibrating the resistance measurement functions of DMMs, ensuring accurate and reliable readings.
- Verification of Other Resistance Standards:
- Used to verify the accuracy of other resistance standards, ensuring the integrity of the entire measurement chain.
- Metrology and Scientific Research:
- Supports research and development in metrology and other scientific fields by providing a foundation for accurate resistance measurements.
The Fluke 742A is more than just a resistance standard; it represents a commitment to quality, precision, and reliability. By providing a highly accurate and stable reference, it empowers metrology professionals to maintain the highest standards of accuracy in their resistance measurements, ultimately contributing to advancements in science and technology.
Additional information
| Brand | Fluke Calibration |
|---|
Specifications: 742A Resistance Standards
| General Specifications | ||
| 12 Values from 1Ω to 19 MΩ in x1 and x1.9 | Best 1 Year Specification: | ±4 ppm |
| Operating Temperature | 18-28°C | |
| Storage Temperature | 0-40°C | |
| Retrace Error (hysteresis) | 23°C-18°C-23°C cycle: | Negligible resistance shift |
| 23°C-28°C-23°C cycle: | Negligible resistance shift | |
| 23°C-0°C-23°C cycle: | < 2 ppm resistance shift | |
| 23°C-40°C-23°C cycle: | < 2 ppm resistance shift | |
| Calibration Documentation | 17025 accredited report of calibration included | |
| Size | 8.6 cm H x 10.5 cm W x 12.7 cm D (3.4 in H x 4.15 in W x 5 in D | |
| Weight | .68 kg to .91 kg (1.5 lbs. to 2 lbs.) depending on the model | |
























