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

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

 

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