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Recommendations for counting scales?

StragusStragus
edited January 2015 in General Vote Up0Vote Down
I have been looking at counting scales, devices able to give an exact count of parts after weighting a single sample (without any manual calculations on the side). Obviously, it would have to be very precise to be as reliable as hand counting...

Does anyone have any experience with such scales? Do you have any particular model or brand to recommend?

I see various counting scales which appear to fulfill the needs. Yet most have price tags in the several hundreds CAD/USD/EUR/GBP, and I'm a little uneasy about a device that may turn out inadequate for a variety of reasons. Thoughts anyone?

Comments

  • 7 Comments sorted by Votes Date Added
  • OvertheBrickOvertheBrick
    Vote Up0Vote Down
    I have been eyeing them too. There are several "lower end" model that seems to fulfill the need at 0.05g resolution (a little less than half of a 1 x1 round plate). There are some in the $120-$150 range on eBay from what appears reasonable seller but I haven't been able to convince myself just yet (maybe next time I order a batch of 2500 1x2 tiles ;) ).
  • BrickItOnBrickItOn
    edited January 2015 Vote Up0Vote Down
    weighting a single sample
    I would not reccomend this. I would always take 10 and defide. A little dust or dirt can make a difference on these weights.

    I have a simple, small and cheap (about 20USD) scale 0 -1000 g x 0,1 and I have been using it for 6 months without any noticably differences or problems. The only downsite is that the weight "plate" is only about 7 x 7 cm. For instructions and bigger parts/orders I use a small bin on the scale, set it to zero, and than weight.

    I know that there are 0 - 100 g x 0,01 available as well for about 20- 25USD. Might be more what you are looking for?


  • StragusStragus
    Vote Up0Vote Down
    We already have "regular" weight scales in the 20-25 USD range, but the person who helps picking orders isn't too talented at mental arithmetic. :p Hence why I'm looking at counting scales displaying the current quantity right away, without any manual calculation of weight.

    I agree that a single sample might be unreliable, we would have to test it out.
  • BrickItOnBrickItOn
    Vote Up0Vote Down
    Oke, I think I missed the 'counting' part of your first post a bit ;).
  • DadsAfolDadsAfol
    Vote Up0Vote Down
    Try http://www.amazon.com/gp/product/B00HNG6SA0/
    or http://www.amazon.com/Nevada-Weighing-Tree-Large-Counting/dp/B00BSXUG66/

    The important feature is precision to 0.1g or 0.0002lb. Do not waste money on a .5g scale - you won't get accurate counts on small parts like 1x1 plates and 1x1 rounds. A scale that will really save you time is going to cost $120-$250, but it will be worth every penny.
  • StragusStragus
    Vote Up0Vote Down
    Thanks for the insight, DadsAFOL. That looks pretty good at a reasonable price.
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