Hi Dave! On 17.02.2016 22:52, Dave Cole wrote: > > I'm shopping for some linear/glass scales for a custom industrial machine. > > I only need to read 8" of travel. > > Does anyone know of an economical solution. I'd like full quad > outputs - ttl would be ideal. > I don't need super resolution or accuracy. .001" would be sufficient.
If you don't need super accuracy, you could probably head for a magnetic solution instead of a glass scale. One such supplier is Siko Magline: https://www.siko-global.com/en-de/products/magline-magnetic-linear-and-angular-measurement But those are probably not the most "economic" (i.e. cheap) ones. If you feel like doing almost everything on your own, you could also just use one of their magnet bands and mount a position sensor (raw SMD part) like an AS5311: http://ams.com/eng/Products/Position-Sensors Bye, Philipp
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