Legal Metrology Act, 2014 (Act No. 9 of 2014)

Regulations

Legal Metrology Regulations, 2017

Part XI : Measuring instruments and containers used for prescribed purposes

80. Testing of weighing instruments for constancy at zero balance
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(a) Except as otherwise provided in any technical regulation, after the balance of any weighing instrument at zero load has been properly adjusted any error of zero balance indication resulting from loading and unloading the weighing instrument must not exceed one-half of the allowance of error prescribed for the weighing instrument in respect of a load not exceeding one-half of the capacity of the weighing instrument.
(b) In the case of a self-indicating weighing instrument such error must not exceed 0,25 of the value of the smallest graduation or exceed any greater allowance of error which may be permitted in terms of any technical regulation on balance at zero load.
(c) For the purpose of this test, the load may remain on the weighing instrument for a period of not more than 30 minutes.