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Harvesting Load Cell from Food Scale

  1. Jan 13, 2012 #1
    Hello,

    I've been toying with the idea of making a cheap dynomometer for small electric motors, but one of the obstacles I'm encountering is finding a cheap load cell. The best I've done so far is a $75 sensor from Omega, which still requires conditioning. Then it occurred to me that you can get food scales from Amazon for cheap (around $5), which must have some load-sensing element as well as the required conditioning.

    So I guess this is really two questions: 1) Any good sources for cheap load cells (I don't really want to buy a strain gauge and make my own - I don't think this would necessarily be cheaper anyway)? or 2) Has anyone pulled apart a digital scale and re-used the load cell? See any problems with this approach?

    Thanks!

    -Kerry
     
  2. jcsd
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