Crushing, Screening & Conveying

Crushing, Screening & Conveying 2017-04-04T06:57:13+00:00
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Conveyor Scale calibration and error accounting (2 replies and 2 comments)

7 months ago
Mulu 7 months ago

I have 2 belt scales and use to calibrate them one by chain roller and the other with static load.

For the roller chain the reading (repeatability) are: 13714,13681,13733,13698.

What do those numbers tells me and how could i account for the error found with regard to the materials that are already passed the scale.

7 months ago
David 7 months ago

Those numbers are registered counts. To determine repeatable error divide smaller by the larger. The error across that whole tests is 0.3-0.4% or less. 

0.5% or less is acceptable except for a for trade certified scale, then the error can't be greater than +/- 0 .25%.

Your scale looks good to me. It would be very hard for your to get this below 0.25%

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7 months ago

Thanks David
How can i use these data to reconcile my tonnages.

Bob Mathias
7 months ago
Bob Mathias 7 months ago

You do not reconcile your weight-o-meter tonnage Mulu. Your error is too small.

What level of accuracy are you trying to get? What operation is this in?

7 months ago

A gold processing plant.

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