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A primary standard for ratio measurements
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A PRIMARY STANDARD FOR RATIO MEASUREMENTS

Model 720A Kelvin-Varley Divider is a high-resolution primary ratio standard with absolute linearity of 0.1 ppm, temperature coefficient of linearity of 0.1 ppm/ºC, and self-calibration capability.

  • 0.1 ppm resolution, seven decades
  • 0.1 ppm of input absolute linearity
  • Built-in self calibration bridge
  • Front panel self-calibration