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When to Use LVDTs vs. Optical Scanning

Both are used for the same purpose, but they operate in quite different ways

Marc Tian
Mon, 12/10/2012 - 11:12
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Gauging fixtures are a staple in many metrology labs and assembly lines. They offer a fast, easy, and inexpensive way to determine if a measured part passes tolerances. Two popular tools that are found in many fixtures are HEIDENHAIN length gauges and linear variable differential transformers (LVDTs). Although LVDTs and length gauges are both used for the same purpose, the way they operate is fundamentally different.

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