JJF(赣) 036-2024 水泥净浆流动度测定仪校准规范

江西省地方计量技术规范江西省市场监督管理局发布JJF（赣）036—2024水泥净浆流动度测定仪校准规范JJF（赣）036—2024I引言„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„(II)1范围„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„(1)2引用文件„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„(1)3概述„„„„„„„„„„„„„„„„„„„„„„‥„„„„„„„„„„(1)4计量特性„„„„„„„„„„„„„„„„‥„„„„„„„„„„„„„„(2)5校准条件„„„„„„„„„„„„„„„„„„„„‥„„„„„„„„„„(2)7校准结果的表达„„„„„„„„„„„„„„„„„„„„„„„„„„„„(3)8复校时间间隔„„„„„„„„„„„„„„„„„„„„„‥„„„„„„„(4)附录A纯水密度值表„„„„„„„„„„„„„„„„‥„„„„„„„„„(5)附录B校准证书内页信息及格式„„„„„„„„„„„„„„„„‥„„„„(6)„„„„„„„„„„„„„„„„„„„(10)JJF（赣）036—2024II量仪器特性评定》的规定而定制。本规范的制定主要参考引用了JTG3420—2020《公路JJF（赣）036—2024水泥净浆流动度测定仪校准规范水泥净浆流动度测定仪是通过容量测量，根据一定量的体积和流出时间，来确定各验规程》中(T508—2005水泥浆体流动度水泥、普通硅酸盐水泥、矿渣硅酸盐水泥、粉煤灰硅酸盐水泥、火山灰硅酸盐水泥、复合硅酸盐水泥，道路硅酸盐水泥及其它浆体流动度的专用仪器。包括支架、流动度测定JJF（赣）036—20242注：校准结果不用于合格性判断，上述计量特性要求仅供参考。 JJF（赣）036—20243度测定仪上口的螺丝，其针尖与锥体上口平齐。关闭阀门，缓慢加入水，使水平面与上V=(m1-m2)/ρwm1——电子天平称取1730mL水质量，ρw值见附录AJJF（赣）036—20244JJF（赣）036—20245纯水密度值表(g/cm3)水温t/℃0.00.10.20.30.40.50.60.70.80.90.9997010.9996930.9996840.9996750.9996660.9996560.9996470.9996370.9996270.9996170.9996070.9995970.9995870.9995760.9995660.9995550.9995440.9995330.9995220.9995110.9995000.9994880.9994780.9994650.9994530.9994410.9994290.9994170.9994040.9993920.9993790.9993670.9993540.9993410.9993280.9993140.9993010.9992880.9992740.9992600.9992460.9992330.9992180.9992040.9990860.9990710.9990560.9990400.9990250.9990090.9989930.9989770.9989610.9989450.9989290.9989120.9988960.9988790.9988620.9988460.9988290.9988110.9987940.9987770.9987600.9987420.9987240.9987070.9986890.9986710.9986530.9986340.9986160.9985980.9985790.9985600.9985420.9985230.9985040.9984850.9984660.9984460.9984270.9984070.9983880.9983680.9983480.9983280.9983080.9982880.9982680.9982470.998227200.9982060.9980810.9980590.9980380.998016210.9979950.9979730.9979510.9979290.9978070.9978850.9978630.9978410.9978180.997796220.9977730.9977500.9977280.9977050.9976820.9976580.9976350.9976120.9975880.997565230.9975410.9975170.9974940.9974700.9974460.9974220.9973970.9973730.9973490.997342240.9972990.9972750.9972500.9972250.9972000.9970990.997074250.9970480.9970220.9969970.9969710.9969450.9969190.9968930.9968660.9968400.996814260.9967870.9967600.9967340.9967070.9966800.9966530.9966260.9965990.9965710.996544270.9965170.9964890.9964620.9964340.9964060.9963780.9963500.9963220.9962940.996266280.9962370.9962090.9960940.9960650.9960360.9960070.995978290.9959490.9959190.9958900.9958600.9958310.9958010.9957710.9957410.9957110.9956810.9956510.9956210.9955910.9955600.9955300.9954990.9954690.9954380.9954070.995376JJF（赣）036—20246JJF（赣）036—20247表B.1校准原始记录格式委托单位记录编号委托单位地址被校样品器具名称型号规格制造厂出厂编号标准器具测量范围不确定度/准确度等级/最大允许误差溯源机构标准器证书号及有效期校准依据JJF（赣）××××—2022《水泥净浆流动度测定仪校准规范》校准地点温度相对湿度%其他测定仪的外观和密封性□符合要求□不符合要求，说明：校准项目校准数据校准结果/平均值扩展不确定度（k=2）123锥体部分体积/mL锥体部分流出时间/s测定仪上口内径/mm锥体下口内径/mm锥体部分高度/mm阀门部分长度/mm上口高度/mm校准员：核验员：校准日期：年月日JJF（赣）036—20248校准机构授权说明校准环境条件及地点：校准所依据的技术文件（代号、名称）温度℃其他湿度%RH地点校准使用的计量标准装置/主要设备标准器具测量范围不确定度/准确度等级/最大允许误差溯源机构标准器证书号有效期至第X页共X页JJF（赣）036—20249序号校准项目校准结果扩展不确定度U(k=2)1测定仪的外观和密封性2锥体部分体积(1725±5)mL3锥体部分流出时间(8.0±0.2)s4测定仪上口内径(178±0.4)mm5锥体下口内径(13±0.1)mm6锥体部分高度(192±1)mm7阀门部分长度(38±1)mm8上口高度不小于75mmJJF（赣）036—2024水泥净浆流动度测定仪主要被校准参数为锥体的体积，锥体内水流出时间以及测定仪上各个尺寸，采用测量范围为3kg分度值为0.01g电子天平、(0～200)mm分度值为0.02m1——电子天平称取1730mL水质量，D.2.1.2.1标准器引入的不确定度u1根据测量方法，体积由质量比密度，密度为常数，质量引入不确定度为电子天平引=0.057mLD.2D.2.1.2.2测量重复性引入的不确定度u2JJF（赣）036—2024体积U=kuc=2×0.32=0.7mLD.6D.2.2.1测量模型采用直接测量法进行测量，其测D.2.3.2.2测量重复性引入的不确定度分量u2=0.064mm