目 录
1 范围··························································································…… (1)
2 概述·························································································…… (1)
3计量性能要求·············································································…… (1)
4 通用技术要求··············································································…… (1)
4.1 外观·······················································································…… (1)
4.2 维护保养················································································…… (2)
4.3 几何参数·················································································…… (2)
5 计量器具控制··············································································…… (2)
5.1检定条件·················································································…… (2)
5.2 检定项目·················································································…… (3)
5.3 检定方法·················································································…… (3)
5.4检定结果的处理········································································……(5)
5.5 检定周期·················································································…… (5)
附录A 常用折射液的折射率及配制方法 ························-····················…… (6)
附录B 折射率 (nu)值的测量不确定度评定方法 ·································…… (7)
附录C 平均色散 (n;一n.)值的测量不确定度评定方法 ························…… (10)
附录D 阿贝折射仪标准块检定记录 ···················································…… (12)
附录E 阿贝折射仪标准块检定证书、检定结果通知书 (内页)格式 ·········…… (14)
范 围
本规程适用于阿贝折射仪标准块的首次检定、后续检定和使用中检验。阿贝折射仪
配备的工作样块的折射率检定依照本规程执行。
概述
阿贝折射仪标准块 (以下简称标准块)是用来检定阿贝折射仪及其他利用阿贝折射原理的计量仪器的标准计量器具 (块)。阿贝折射仪工作样块 (以下简称工作样块)是阿贝折射仪配备的,用于调整、检查阿贝折射仪。
标准块组由轻冕玻璃QK1,冕玻璃K9,火石玻璃F2,重火石玻璃ZF2四种优质光学玻璃材料加工制成的长方形块组成。
光学玻璃材料折射率的测量主要有精密测角法、V棱镜折射法、阿贝折射法及浸液法。本规程采用V棱镜折射法。