Selecting a Measurement System

Selecting by Cost

High Low Optical CMMs Image dimension measurement systems Micrometers Vernier calipers, dial gauges, height gauges Rulers, tape measures

Rulers and tape measures are typical low-cost tools. However, they are essential items for manufacturing worksites. Vernier calipers are also relatively low-cost measuring instruments and are useful for measurements in units of 0.1 mm.
Dial gauges and height gauges are slightly more expensive, but they can measure in units of 0.01 mm.
Micrometers have a wide price range and can be selected according to the desired purpose or accuracy of measurement.
In addition, high-precision measuring instruments capable of measurements in units of 0.001 mm are available both as non-contact types such as projectors and measuring microscopes, and contact-types such as portal-type 3D measuring machines. The lineup includes various models—from instruments requiring manual operation to instruments capable of automatic program-based measurement—and a wide variety of expensive, high-performance models. This makes it necessary to consider the application and required accuracy in order to select the appropriate type.

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