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Counting Scales

Parts counting is a special weighing mode offered on some scales.

A great application example for parts counting is beadwork, which can be very tedious when counting hundreds of beads by hand. A counting scale can save you a lot of time by being able to count out your parts by simply weighing a batch of them on the scale.

Before deciding if a counting scale will work for your application there are several things to consider. The first question is if the parts you plan to weigh on your counting scale are of uniform weight? If there are weight variations between your parts, the scale will not be able to accurately determine how many are on the weighing tray.

Secondly, you will need to know the weight of your pieces. Once you know this, you can then choose a counting scale with the appropriate accuracy. For example if your parts weigh exactly 0.5g each, a scale with an Accuracy of 1g will not work as it will not be accurate enough to see your individual pieces. In this example you would want a scale with a 0.1g Accuracy so that it will be able to correctly weigh and count your 0.5g pieces.

Finally, it is very important to note that even the most expensive counting scales will often be off by as many as a few pieces when weighing. Counting scales are never perfect, so if you need absolute perfection when counting each time, you're better off sticking to hand counting. However, for counting beads where being off by one or two beads is acceptable, parts counting scales are a great time saving tool. The more uniform in weight your parts are, the more accurate the counting will be.

How does it work? The scale must first be programmed. It needs to know the weight of your pieces so it can then determine how many are on the tray at one time. This process varies by scale so be sure to carefully follow the directions in your user manual. Almost always the scale will require you to place a sample of 10 or 20 pieces of your parts on the tray which will then be averaged and stored into the scale's memory. The scale is then programmed. Simply throw on a handful of beads, and the scale display will tell you how many are on the scale.

Be sure to see our page of Counting Scales for a wide range of counting scales for all applications and budgets!

http://www.rightonscales.com/web/counting/




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[PRO Tech. the public]

I would like to know the administrators technical back round. Sincerely 22 yr state licensed scale tech. serving as a uncertainty manager. ISO/IEC 17025 2005.Accredited.