The precision grade of jewelry electronic scale is 0.0 1g or 0.00 1g, and the error range is 0.02g or 0.002g. ..
According to the requirements of the Market Management and Supervision Bureau, the electronic balance used in the jewelry store business hall needs to be tested every year, and it can only be used after passing the test. The electronic scale will be affixed with a certificate of inspection in a conspicuous position, marked with information such as inspection time.