General Equipment Other Types of Equipment : Fluke 742A-1


Fluke 742A-1
放大图片Fluke 742A-1

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1 Ohm Resistance Standard

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 degrees C to 28 degrees C with typically less than 2 ppm degradation. Using the calibration table supplied with the standards, which lists corrections in 0.5 degrees 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 0 degrees C and 40 degrees C.

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

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

742A-1 = 1 Ohm Resistance Standard
742A-1.9 = 1.9 Ohm Resistance Standard
742A-10 = 10 Ohm Resistance Standard
742A-25 = 25 Ohm Resistance Standard
742A-1k = 1 kOhm Resistance Standard
742A-10k = 10 kOhm Resistance Standard
742A-19k = 19 kOhm Resistance Standard
742A-100k = 100 kOhm Resistance Standard
742A-1M = 1MOhm Resistance Standard
742A-10M = 10 MOhm Resistance Standard
742A-19M = 19 MOhm Resistance Standard
742A-100 = 100 Ohm Resistance Standard
  • 制造商: Fluke
  • 模型: 742A-1