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1 主题内容与适用范围本标准适用于万能测长仪的产品质量分等。本标准对万能测长仪产品的质量等级、抽样原则和试验方法等有关方面作了规定。2 引用标准GB3718万能测长仪GB2829周期检查计数抽样程序及抽样表ZB Y320仪器仪表可靠性验证试验和测定试验(指数布分)导则3 产品质质量等级3.1 合格品3.1.1 仪器应全面达到GB3718的要求。3.1.2 仪器测量轴的寿命指标不应低于1 0000次(往返)。
1 Thematic content and scope of application This standard applies to universal length measuring instrument product quality classification. This standard on the universal length measuring instrument product quality levels, sampling principles and test methods and other relevant provisions. 2 reference standard GB3718 universal length measuring instrument GB2829 cycle check sampling procedures and sampling table ZB Y320 instrumentation reliability verification test and measurement test (index points) guideline 3 Quality Quality Level 3.1 Qualified 3.1.1 The instrument should be fully achieved GB3718 requirements. 3.1.2 Instrument measuring shaft life index of not less than 1 0000 times (round trip).