Section 21.85.6. “Spring and computing scales” defined.

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A “spring scale” is a scale in which the weight indications depend upon the change of shape or dimensions of an elastic body or system of such bodies.
      85.6(1) A “computing scale” is a scale which, in addition to indicating the weight, indicates the total price of the amount of commodity weighed for a series of unit prices and must be correct in both its weight and value indications.
      85.6(2) All computing scales shall be equipped with weight indicators and charts on both the dealer’s and customer’s sides.
      85.6(3) Tolerances for both the spring scale and the computing scale shall not be greater than that for counter scales.
This rule is intended to implement Iowa Code section 215.18.

                    
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