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1、中华人民共和国国家计量技术规范JJF*-*在线糖量（含量）计校准规范CalibrationSpecificationofOn-linesugarcontentmeters（征求意见稿）*年*月*日发布*年*月*日实施国家市场监督管理总局发Jalr在线糖量（含量）计校准规范CalibrationSpecificationofOn-linesugarcontentmeters归口单位：全国物理化学计量技术委员会在线理化分析仪器分技术委员会主要起草单位：新疆维吾尔自治区计量测试研究院黑龙江省计量检定测试研究院参加起草单位：湖南楚一机电有限公司广西壮族自治区计量检测研究院湖南省计量科学研究院本规范委托
2、全国物理化学计量技术委员会在线理化分析仪器分技术委员会负责解本规范主要起草人：参加起草人：引言11范围22引用文件2325校准条件35. 1环境条件36. 2测量标准及其他设备36校准项目和校准方法46.1 外观及工作正常性检查47. 2示值误差57.1 重复性57.2 稳定性57校准结果68. 1校推记录错误!未定乂书签。9. 2校准证书错误!未定义书签。8复校时间间隔错误!未定义书签。附录A在线糖量（含量）计校准原始记录格式8附录B校准证书的内容10附录C蔗糖和葡萄糖水溶液的温度修正表错误!未定义书签。附录D在线糖量（含量）计示值误差测量不确定度评定示例11引言本规范依据JJFlOOl20
3、11通用计量术语及定义、JJFlO712010国家计量校准规范编写规则和JJFlo59.12012测量不确定度评定与表示共同构成本规范制订的基础性系列规范。参考OIM1.R142Edition2018（E）Automatedrefractometers:Methordsandmeansofverification、OIM1.R108测量果汁糖含量的折射仪（RefraCtOmeterSforthemeasurementofthesugarcontentoffruitjuices）、OIM1.R124测量葡萄汁糖含量的折射仪（Refractometersforthemeasurementofthe
4、sugarcontentofgrapemust）、ICUMSASPS_3（2000）折射率及折射率表-官方（RefractometryandTables-Official）、JJG820-1993手持糖量（含量）计及手持折射仪、JJF（新）35-2019在线糖量（含量）计校准规范、JJF（津）68-2022数字糖量计及数字折光仪校准规范、JJF（津）83-2023数字折光仪校准规范、JJF（陕）028-2020数显糖量计校准规范、JJG（粤）063-2021数字糖量计及数字折光仪校准规范、JJG（桂）台式液体折射仪校准规范并结合工作现状制订。本规范为首次发布。在线糖量（含量）计校准规范1范围本
5、规范适用于折光原理测量的在线糖量计，或通过测量液体折射率换算为物质含量的折射仪，也可参照校准。2引用文件本规范引用下列文件：IeUMSASPS-3（2000）折射率及折射率表-官方（RefraCtometryandTables-Official）凡是注明日期的引用文件，仅注日期的版本适用于本规范。3概述在线糖量（含量）计广泛应用于食品、饮料、制糖、化工、制药等行业生产现场,通过测量液体折射率对含糖溶液的浓度（物质的含量）进行实时原位连续监测。仪器利用折射原理测量，采用临界角全反射测量的技术进行测量，通常由传感器单元、检测单元、数据采集处理单元、传输显示单元和自动清洗单元组成。4计量特性在线糖量
6、（含量）计的计量特性见表1。表1在线糖量（含量）计的计量特性计量特性分度值技术指标折射率示值误差0.001分度值0.010.020.000分度值0.0010.0005分度值0.00010.0002温度示值误差0.001分度值0.010.50.0001分度值0.0010.5分度值VOOOOl0.3重复性0.001分度值0.010.010.0001分度值20.1319IO50.1622X1050.2213IO50.1921IO5b30.711XlO80.641XlO80.1072IO70.83310b4-0.8810,-0.130XlO9-0.123IO9-0.123XlO9Ci0.1455XlO
7、50.163IO-50.1631050.163W5C2-0.150107-0.215X107-0.215107-0.215X107C30-0.6210,-0.62IO10-0.62X10”C400.17X10110.17X10110.17X1011附录D(1540)C纯水折射率表本表根据附录B的等式B.1和表B.1的系数计算。折射率折射率3折射率AA折射率3折射率3折射率折射率15.01.33340517.01.33324719.01.33307721.01.33289523.01.33270225.01.33249627.01.33228015.11.33339817.11.33323919
8、.11.33306821.11.33288623.11.33269225.11.33248627.11.33226915.21.33339017.21.33323019.21.33305921.21.33287623.21.33268225.21.33247527.21.33225715.31.33338217.31.33322219.31.33305021.31.33286723.31.33267125.31.33246527.31.33224615.41.33337517.41.33321419.41.33304121.41.33285723.41.33266125.41.33245427
9、.41.33223515.51.33336717.51.33320519.51.33303221.51.33284823.51.33265125.51.33244327.51.33222415.61.33335917.61.33319719.61.33302321.61.33283823.61.33264125.61.33243327.61.33221215.71.33335117.71.33318919.71.33301421.71.33282923.71.33263125.71.33242227.71.33220115.81.33334317.81.33318019.81.33300521
10、.81.33281923.81.33262125.81.33241127.81.33219015.91.33333617.91.33317219.91.33299621.91.33280923.91.33261125.91.33240027.91.33217816.01.33332818.01.33316320.01.33298722.01.33280024.01.33260026.01.33239028.01.33216716.11.33332018.11.33315520.11.33297822.11.33279024.11.33259026.11.33237928.11.33215616
11、.21.33331218.21.33314620.21.33296922.21.33278024.21.33258026.21.33236828.21.33214416.31.33330418.31.33313820.31.33296022.31.33277124.31.33257026.31.33235728.31.33213316.41.33329618.41.33312920.41.33295122.41.33276124.41.33255926.41.33234628.41.33212116.51.33328818.51.33312020.51.33294122.51.33275124
12、.51.33254926.51.33233528.51.33211016.61.333280IS.b1.33311220.61.33293222.61.33274124.61.33253826.61.33232428.61.33209816.71.33327118.71.33310320.71.33292322.71.33273124.71.33252826.71.33231328.71.33208616.81.33326318.81.33309420.81.33291422.81.33272124.81.33251726.81.33230228.81.33207516.91.33325518
13、.91.33308620.91.33290422.91.33271124.91.33250726.91.33229128.91.332063(1540)纯水折射率表(续)3折射率折射率3折射率折射率折射率逊折射率29.01.33205131.01.33181133.01.33156035.01.33129637.01.33102239.01.33073529.11.33204031.11.33179933.11.33154735.11.33128337.11.33100739.11.33072029.21.33202831.21.33178733.21.33153435.21.33126937
14、.21.33099339.21.33070629.31.33201631.31.33177433.31.33152135.31.33125637.31.33097939.31.33069129.41.33200431.41.33176233.41.33150835.41.33124237.41.33096539.41.33067629.51.33199231.51.33175033.51.33149535.51.33122937.51.33095139.51.33066129.61.33198131.61.33173733.61.33148235.61.33121537.61.33093739
15、.61.33064729.71.33196931.71.33172533.71.33146935.71.33120237.71.33092339.71.33063229.81.33195731.81.33171233.81.33145635.81.33118837.81.33090839.81.33061729.91.33194531.91.33170033.91.33144335.91.33117437.91.33089439.91.33060230.01.33193332.01.33168734.01.33143036.01.33116038.01.33088040.01.33058730
16、.11.33192132.11.33167434.11.33141636.11.33114738.11.33086530.21.33190932.21.33166234.21.33140336.21.33113338.21.33085130.31.33189732.31.33164934.31.33139036.31.33111938.31.33083730.41.33188532.41.33163634.41.33137736.41.33110538.41.33082230.51.33187232.51.33162434.51.33136336.51.33109138.51.33080830
17、.61.33186032.61.33161134.61.33135036.61.33107738.61.33079330.71.33184832.71.33159834.71.33133736.71.33106338.71.33077930.81.33183632.81.33158534.81.33132336.81.33105038.81.33076430.91.33182432.91.33157334.91.33131036.91.33103638.91.330750附录D(1540)C蔗糖溶液质量分数折射率修正表本表来自于ICUMSASPS-3(2000)o仪器在温度T时的测量值应当加上
18、表中相应温度和浓度对应的值，以修正到参考温度20.0C下的值。0510蔗糖溶液质量分数(g100g)75808515202530354045505560657015-0.29-0.30-0.32-0.33-0.34-0.35f.36-0.37-0.37-0.38-0.38-0.38-0.38-0.38-0.38-0.38-0.37-0.3716-0.24-0.25-0.26-0.270.28-0.28-0.29-0.30-0.30-0.30-0.31-0.31-0.31-0.31-0.31-0.30-0.30-0.3017-0.18-0.19-0.20-0.20-0.21-0.21-0.22-
19、0.22-0.23-0.23-0.23-0.23-0.23-0.23-0.23-0.23-0.23-0.2218-0.12-0.13-0.13-0.14-0.14-0.14-0.15-0.15-0.15-0.15-0.15-0.15-0.15-0.15-0.15-0.15-0.15-0.1519-0.06-0.06-0.07-0.070.070.07-0.07-0.08-0.08-0.080.080.08-0.08-0.08-0.08-0.080.080.07200.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.
20、000.00210.060.070.070.070.070.070.080.080.080.080.080.080.080.080.080.080.080.07温度220.130.140.140.140.150.150.150.150.160.160.160.160.160.160.150.150.150.15CC)230.200.210.210.220.220.230.230.230.230.240.240.240.240.230.230.230.230.22240.270.280.290.290.300.300.310.310.310.320.320.320.320.310.310.310
21、.300.30250.340.350.360.370.380.380.390.390.400.400.400.400.400.390.390.380.380.37260.420.430.440.450.460.460.470.470.480.480.480.480.480.470.470.460.460.45270.500.510.520.530.540.550.550.560.560.560.560.560.560.550.550.540.530.52280.580.590.600.610.620.630.640.640.640.650.650.640.640.630.630.620.610
22、.60290.660.670.680.700.710.710.720.730.730.730.730.730.720.720.710.700.690.67300.740.760.770.780.790.800.810.810.820.820.810.810.800.800.790.780.760.76Il（1540）C蔗糖溶液质分数折射率修正表（续）0510蔗糖溶液质量分数（g100g）657075808515202530354045505560310.830.840.850.870.880.890.890.900.900.900.900.890.890.880.870.860.840.823
23、20.920.930.940.960.970.980.980.990.990.990.990.980.970.960.950.930.920.90331.011.021.031.051.061.071.071.081.081.081.071.071.061.041.031.011.000.98341.101.111.131.141.151.161.161.171.171.161.161.151.141.131.111.091.071.05温度351.101.211.221.231.241.251.251.261.261.251.251.241.231.211.191.171.151.13CO3
24、61.291.301.311.331.341.341.351.351.351.341.341.331.311.291.281.251.231.20371.391.401.411.421.431.441.441.441.441.431.431.411.401.381.361.331.311.28381.491.501.511.521.531.531.541.541.531.531.521.501.481.461.441.421.391.36391.591.601.611.621.631.631.631.631.631.621.611.591.571.551.521.501.471.43401.6
25、91.701.711.721.731.731.731.731.721.711.701.681.661.631.611.581.541.51附录D在线糖量(含量)计示值误差测量不确定度评定示例D.1概述D.1.1环境条件：符合本校准规范的环境条件。D.1.2测量设备:折射率标准物质GBW(E)130840,标准值1.33299,扩展不确定度2105k=2折射率标准物质GBW(E)130842,标准值1.30842,扩展不确定度5105k=2数字温度计：(10-100),分辨力O.OlC,经校准后最大允差土O.OCo恒温水槽：在(10-30)范围内，温度波动0.02C10mins.D.1.3测量方
26、法：按本规范正文6.3条进行示值误差的校准。D.2测量模型及不确定度计算公式D.2.1建立测量模型折射率示值误差测量模型=X-Xs式中：Ar一被校仪器示值温度为2O。C时的折射率示值误差；X被校仪器示值温度为2O。C时的示值平均值；xS折射率标准物质在温度为2O时的修正参考值。D.2.2不确定度传播率：x10x1灵敏系数为q=k=c2=v=lxOXs测量量的不确定度彼此不相关，有：(x)=cl2w(x)2+cfu(xs)2D.3输入量的标准不确定度分析与评定Il仪器示值误差测量不确定度来源于测量结果平均值引入的不确定度、标准物质认定值引入的不确定度和温度测量误差引入的不确定度。I).3.1不确
27、定度分量来源及其描述各不确定度分量来源及其描述见表D.U表DJ不确定度分量来源及其描述标准不确定度不确定度分量来源不确定度来源描述测量结果平均值引入的不确定度测量重复性引入的标准不确定度U(X1)温度测量误差引起的不确定度u(x2)(凡)标准物质引入的不确定度标准物质认定值引入的不确定度1).3.2标准不确定度(幻的评定标准不确定度底)的来源有二个，一是测量重复性引入的不确定度(京)；二是温度测量误差引起的不确定度(九)测量重复性引入的标准不确定度(M),可以通过连续测量测量列得到，用A类方法进行评定。本次测量选择折射率溶液标准物质对1台性能稳定、工作正常的仪器进行测量，测量温度(200.05
28、),每台仪器重复测量7次，测量重复性引入的标准不确定度，可通过极差法计算得出：S(R：)=Rmax；Rmin式中：S(Rj)测量温度为T时的单个测量值R的实验标准偏差；C极差系数，可查表(Gl)得到。表G.1极差系数表n23456789C1.131.692.062.332.532.702.852.97实际校准时重复测量3次，取其算数平均值作为测量值，可得:（D.2）西）二丛善分度值范围Rl1.X-Kn，（用）W(Xl)0.001分度值0.012.7XlO51IO55.8X10-60.0001分度值0.0011.9W57IO-64.OXlO6分度值0.00012.71061.9IO-5lW6-7
