回复gxlzskypig发表于:2020/7/11 20:03:14悬赏金额:
8积分 状态:
未解决
现对玻璃量器证书进行检查时发现,某机构检定5mL单标线吸量管和250mL单标线容量瓶都使用测量范围0.01g—610g的Ⅱ电子天平,而JJG196规程要求测量范围200g时分度值0.1mg,1000g时分度值2mg,5000g时分度值10mg。是不是检定5mL时用的天平精度不准确?这两份证书有问题吗?
[img=,690,946]https://ng1.17img.cn/bbsfiles/images/2016/07/201607112014_600043_1715462_3.jpg[/img][img=,690,949]https://ng1.17img.cn/bbsfiles/images/2016/07/201607112014_600044_1715462_3.jpg[/img]
而规范的规定是
[img=,690,158]https://ng1.17img.cn/bbsfiles/images/2016/07/201607112015_600045_1715462_3.jpg[/img]