Metrology Features

Fred Mason's picture
Fred Mason
This is the first “Measurement Matters,” a column that will show how much measurement matters in achieving and maintaining quality, especially in manufacturing. I will cover topics such as types of...
Fred Mason's picture
Fred Mason
Usually, when people discuss measurements they speak in absolute terms—degrees of temperature, millimeters of length, ounces of weight, candela of illumination intensity, degrees of angle,...
Michael H. Brill's picture
Michael H. Brill
Referring to human relations, my father advised me always to "save the surface," which is something like "don’t burn your bridges," only more subtle. The connection...
Fred Mason's picture
Fred Mason
Usually, when people discuss measurements they speak in absolute terms—degrees of temperature, millimeters of length, ounces of weight, candela of illumination intensity, degrees of angle,...
Fred Mason's picture
Fred Mason
No, this isn’t about promises you made on New Year’s Eve and broke the next day. It’s about measurement resolution—the number of decimal places to which a measured value is...
George Rodrigues Ph.D.'s picture
George Rodrigues Ph.D.
The pipette is a reliable precision instrument that has been used and trusted for many years. However, as with many forms of instrumentation, a pipette performs only as well as the operator’s...
Fred Mason's picture
Fred Mason
No, this isn’t about promises you made on New Year’s Eve and broke the next day. It’s about measurement resolution—the number of decimal places to which a measured value is...
Fred Mason's picture
Fred Mason
Many people know about William Tell shooting the apple on his son’s head. What can this archery event teach us about accuracy and precision? What do these words mean? When are they equal, and...
Fred Mason's picture
Fred Mason
Many people know about William Tell shooting the apple on his son’s head. What can this archery event teach us about accuracy and precision? What do these words mean? When are they equal, and...
Fred Mason's picture
Fred Mason
Measurements add value to the parts you manufacture. That may not be a widely accepted position, because the act of measuring is an additional step in the manufacturing sequence, and every step has a...
Fred Mason's picture
Fred Mason
Measurements add value to the parts you manufacture. That may not be a widely accepted position, because the act of measuring is an additional step in the manufacturing sequence, and every step has a...
William R. Gilman's picture
William R. Gilman
Metrology is the science of measurement. It’s a very broad topic because so much is measured. In manufacturing, the need to verify and validate dimensions of parts is crucial. These dimensional...
Frank Powell's picture
Frank Powell
Machine tool and manufacturing system builders have been producing increasingly intelligent equipment for more than 50 years, and today’s computer numeric controlled (CNC) machines and...
Anonymous's picture
Rich Amon and Michael S. McCue
The need to measure things inspired some of the earliest tools invented by man. Basic measurements were needed for constructing dwellings of an appropriate size and shape, fashioning...
Thomas M. Findlan's picture
Thomas M. Findlan
When purchasing material test equipment for tensile, fatigue or other test modes, managers of test labs may want to compare new and used test equipment due to budget constraints or other...
Anonymous's picture
Laser scanning makes it easy to keep older military equipment running by enabling companies to create spare parts that perfectly duplicate the originals at a reasonable cost. Manufacturers of...
Peter Dickin's picture
Peter Dickin
The use of probes on machine tools to assist in setting up jobs is well established. Recent developments in machining and inspection software mean that this equipment can now be used in a wider range...
Steve Kersen's picture
Steve Kersen
Switching from a coordinate measuring machine (CMM) to a laser scanner has helped the National Aeronautics and Space Administration, Langley Research Center, increase the accuracy of models used to...
Ken Lyons's picture
Ken Lyons
Laser scanning keeps older military equipment running by enabling the creation of spare parts that perfectly duplicate the originals at a reasonable cost. MILPARTS and other companies are taking...
Fluke Corp.'s picture
Fluke Corp.
What is calibration anyway? Many people do a field comparison check of two meters, and call them “calibrated” if they give the same reading. This isn’t calibration. It’s simply a field check. It can...