What is the verification system table mentioned in the metrology law for?

Laboratory balances generally do not belong to the category of trade settlement in compulsory verification. According to different situations, the laboratory balance may belong to non-compulsory inspection or compulsory inspection. If it is compulsory inspection, it is generally divided into safety protection, medical and health care and environmental monitoring. For example, the balance and spectrophotometer in the laboratory of environmental monitoring station belong to the strong inspection measuring instruments of environmental monitoring.