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Refurbished Fluke 742A-25


Fluke 742A-25

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Refurbished
Fluke 742A Resistance Standards are high accuracy working standards for precision, on-site resistance calibration. Their excellent temperature stability allows them to be used from 18 degree C to 28degree C with typically less than 2 ppm degradation. Using the calibration table supplied with the standards, which lists corrections in 0.5degree C increments, this uncertainty can be reduced to near zero. No cumbersome oil or air baths are required.

Because 742A Resistance Standards are small and rugged, they are easy to transport. Care has been taken to reduce resistance changes brought about by thermal and mechanical shock. Retrace (permanent shift in resistance) is typically less than 2 ppm after cycling between 0degreeC and 40degree C.

The 742A-1 1 Ω and the 742A-10k 10 kΩ units are ideally suited for Artifact Calibration of Fluke 5700A/5720A Calibrators. The other values can be used to verify the calibration if you desire.

A convenient transit case, designed to hold two standards, is available as an option.

  • Small and rugged
  • No oil or air baths required
  • 18degree to 28degree C operating range
  • Six-month stability to 2.5 ppm
  • Supplied with temperature characterization

742A-25 - 25O Resistance Standard

Fluke 742A-25 datasheet & specifications

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