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What You Must Know About Calipers

The dial caliper is a dual-purpose instrument and can make either direct or comparative measurements. To make a comparison, first measure the reference dimension and set the dial indicator to zero. Then measure the dimension to be compared. The indicator will show how much the compared dimension varies from the original (plus or minus).(Click on photo to enlarge it)
This primer on various measurement processes by George Schuetz of Mahr Federal shows you how to match different caliper designs with selected applications to prevent measurement errors from creeping in.

Mahr Federal Engineer Recognized by ASME

In a ceremony at the headquarters of Mahr Federal, long-time employee Frederick G. Parsons (left) is presented with the Patrick Higgins Medal by ASME's Steve Weinman in recognition for outstanding dedication and effectiveness in developing and promoting a broad range of standards in dimensional metrology, surface metrology and engineering specifications.(Click on photo to enlarge it)
Frederick G. Parsons was honored by the American Society of Mechanical Engineers with the Patrick Higgins Medal for outstanding service.


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