Author Topic: Short range (linear) accurate measurement using capacitance  (Read 478 times)

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Offline ErikYTopic starter

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Short range (linear) accurate measurement using capacitance
« on: August 01, 2013, 02:20:27 PM »
I have a project I am working on and I want to very accurately, (+/- 0.01mm) measure linear travel.

I have been looking into how digital calipers do it, and it seems like they use a capacitive system.

Does anyone know if something like this can be purchased, or if something like this is build able?

I have been thinking about buying a cheap digital caliper and seeing if I can carefully dismantle it to be used in my application, but ideally I want several of them and even cheap digital calipers can add up.

 


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