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How to define load cell accuracy to create weighbridge with 5kg resolution?

Views:3479     Author:Site Editor     Publish Time: 2020-04-14      Origin:Site

Now we use 8pc canister compression load cells, each one is with capacity 30ton.

vmin≤e1*R/√N (Vmin load cell verification value; e1 scale verification value; N load cell quantity for scale)

vmin≤5kg*1/√8

vmin≤5kg*1/2.8284

vmin≤1.7678kg

Y=Emax/Vmin

 =30000kg/1.7678kg

 =16949

According to criterion of OIML R60 and R76

Vmin≤e

So we need to select 1.5kg as load cell’s Vmin

Y=30000kg/1.5kg

 =20000

ZCT≤7ppm/℃

 

OIML C5 at least.


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