JJG99-1990-砝码试行检定规程.pdf

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1、珐码试行检定规程JJG99-1990找澎".".".令·李小fi-十今人.今硅码试行检定规程人月JJG99-1990小寸个代替JIG99-一1981令VerificationRegulationofWeights城今.今峥峥.令.令峥岭尸本检定规程经国家技术监督局于1990年6月12日批准，并自1991年1月I日起施行归口单位:中国计量科学研究院起草单位:中国计量科学研究院本规程技术条文由起草单位负责解释。本规程主要起草人:孙瑞娴(中国计量科学研究院)参加起草人:裴玉吉(中国计量科学研究院)罗才生(中国计量科学研究院)李建增(国家轨道衡计量站)宁国权(航空航天工业

2、部304所)目录一技术要求·............................................................................................1406(一)砖码分类····································································，············⋯⋯1406(二)砖码质量的标称值和组合····························································⋯⋯1406(

3、三)硅码的检定精度、修正值和允差·····，·············································⋯⋯1406(四)珐码的结构、材料、密度和调整································，·················⋯⋯1409(五)珐码的外观质量········································································⋯⋯1410(六)硅码的标记···········································

4、···································⋯⋯1411二检定条件·............................................................................................1411(一)检定用设备···································································，··········⋯⋯1411(二)检定环境条件·········································

5、···，，·····························⋯⋯1411三检定项目和检定方法·.............................................................................1412(一)外观检查·················································································⋯⋯1412(二)清洗及存放珐码·················································

6、······················⋯⋯1412(三)珐码的质量检定·····················································⋯⋯““‘·“‘”‘’““’‘1412四检定结果处理和检定周期·············，································..........................1421附录·····················································································

7、···········⋯⋯1421附录1珐码的使用与维护······················································⋯⋯‘’‘”””’‘’1421附录2实心砖码体积的测定·······························································⋯⋯1422附录3砖码的结构形式·························································⋯⋯“““’‘’‘’‘1425附录4一等珐码检定结果汇总表···········

8、·....