Calibration Testers – Series 521

The Calibration Tester is specially designed to calibrate measuring accuracy of short range dial indicators, dial test indicators, and other electronic comparison gage heads.

Series 521
  • Universal bracket accepts any dial indicator, dial test indicator, lever head of Mu-Checker without any additional accessory.
  • Clamping capacity: ø4mm – ø10mm / .157”-.394” dia.
  • Dual color-indexed directional graduations to facilitate measurements


Order NoRangeResolution/SelectableGraduationAccuracyMassDimension
521-1040-.05in.00005/.0001/.0005in 0.001/0.01mm.00001in00001in15.4lbs11.6x4x8.1in
521-1060-.2in.00005/.0001/.0005in 0.001/0.01mm.00001in00001in16.5lbs11.6x4x10.9in


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Product Name : Calibration Testers – Series 521