1、 2018 9 15 CNAS CNAS-TRL-007:2018 1 45 2018 9 15 1.2 2.2 3.2 4.3 A.14 B.19 C.24 D.29 E TVOC.31 F.35 G.38 H.43 CNAS-TRL-007:2018 2 45 2018 9 15 建 设 领 域 典 型 检验 检 测 设 备 计量 溯源在检测结果 不 确 定 度 评 定 中的 应 用 1 2 JJF 1001-2011 JJF 1059.1-2012 CNAS-CL01-G002 3 JJF 1001 注 1：测量不确定度包括由系统影响引起的分量，如与修正量和测量标准所赋量值有关的分量及定
2、义的不确定度。有时对估计的系统影响未作修正，而是当作不确定度分量处理。注 2：此参数可以是诸如称为标准测量不确定度的标准偏差（或其特定倍数），或是说明了包含概率的区间半宽。注 3：测量不确定度一般由若干分量组成。其中一些分量可根据一系列测量值的统计分布，按测量不确定度的 A 类评定进行评定，并可用标准差表征。而另一些分量则可根据基于经验或其他信息所获得的概率密度函数，按测量不确定度的 B 类评定进行评定，也用标准偏差表征。注 4：通常，对于一组 给定的信息，测量不确定度是相应于所赋予被测量的值的。该值的改变将导致相应的不确定度的改变。CNAS-TRL-007:2018 3 45 2018 9
3、15 1 4 4.1 4.1.1 4.1.2 Y CNAS-TRL-007:2018 4 45 2018 9 15 iX 12()nY=f X X X 12 nY=X+X+X 4.1.3 4.1.3.1 4.1.3.2 4.1.3.3/A 10 CNAS-TRL-007:2018 5 45 2018 9 15 4.1.3.4 4.1.3.5 B 4.1.3.6 4.1.3.7 2 4.1.3.8 4.1.3.9 A 4.1.3.10 B CNAS-TRL-007:2018 6 45 2018 9 15 4.1.4 A B A B 4.1.4.1 A（1）s A type A evaluatio
4、n standard uncertainty 21()1niixxsn 1-1 s ix i n x n 11=niixxn ix()iu x s 1-2 n x A()suxn 1-3 m m x A()msuxm 1-4 1 m n,n n 10 1 vn(1-5)CNAS-TRL-007:2018 7 45 2018 9 15 2 ps x n 12,nx x x,x s 1-1 v 1-5 m ps 221 1 111()(1)m m njp j ijj j is s x xm m n 1-6 1mpjjvv 1-7 pv jv m j=1 n 1-7=(1)pv m n A ps m
5、 js js ps js()s 21()()=(1)mjjsssm 1-8 s 11s=mjism m js j CNAS-TRL-007:2018 8 45 2018 9 15()s()s()=2(1)pssn 1-9 n()s m js()()ss 1-10 ps()()ss 1-11 ps js maxs=9 n()=4pss m js()4pss ps js maxs ps x k(1)kn k kx()pksuxk 1-12()kux ps(1)kpxv v m n 1-13 ps 3 CNAS-TRL-007:2018 9 45 2018 9 15 4 9 n ix s s=R/C
6、 1-14 C R max minR=x-x()/()u x s n R C n 1-15 n C v 1-1 1-1 n C v n 2 3 4 5 6 7 8 9 C 1.13 1.64 2.06 2.33 2.53 2.70 2.85 2.97 v 0.9 1.8 2.7 3.6 4.5 5.3 6.0 6.8 4.1.4.2 B 1 1 B,x a x a,p k,B Bu 1-16 Bauk 1-16 a k。a a)b)c)d)e)f)g)2 k CNAS-TRL-007:2018 10 45 2018 9 15 a)k b)2 k 2 p k p 0.5 0.68 0.90 0.
7、95 0.9545 0.99 0.9973 k 0.675 1 1.645 1.960 2 2.576 3 c)3 k 3 k B Bux p%k Bux 100 6/6 a=0.71 100 2/2 a 100 3/3 a 100 2/2 a 100 1 a 00 注：表 3 中 为梯形的上底与下底之比，对于梯形分布来说，26/(1)k。当 等于 1 时，梯形分布变为矩形分布；当 等于 0 时，变为三角分布。2 B CNAS-TRL-007:2018 11 45 2018 9 15 1 U k BUuk 1-17 2,B3u 1-18 3 B23u 1-19 4 B23u 1-20 5 R
8、B22Ru 1-21 A B A B 4.1.5 cu 4.1.5.1 Y n 12 nX X X f y 1-22 212c1 1 1()2,()()n n ni i j i ji i j ii i jf f fu y u x r x x u x u xx x x 1-22 c()uy CNAS-TRL-007:2018 12 45 2018 9 15 y Y ix iX ifx()iux ix(,)ijr x x ix jx(,)iju x x ix jx 4.1.5.2,(,)0ijr x x iifcx c()uy 1-23 22 2 2c11()=()()nni i iiiifu y
9、 u x c u xx 1-23 注 1：所谓不相关，是指不同设备测量同一类参量，比如：测量面积时，长和宽用不同的尺子。ic 2 2 2c,rel rel 1 rel 2 rel()()()+()nu y u x u x u x 1-24 4.1.6 4.1.6.1 U pU 4.1.6.2 y U U c()uy k c()U ku y 1-25=2 k U k k=2 k 4.1.6.3 y pU pU CNAS-TRL-007:2018 13 45 2018 9 15 pU c()uy p pk c()ppU k u y 1-26 pk p pU 95U 4.1.7 4.1.7.1 y
10、1-27 Y y U,=2 k 1-27 y U,k 4.1.7.2 y,pU 1-28 pY y U 1-28 y pU pU 95U 4.1.7.3 Y Y y U pU U k pU 4.2 CNAS-TRL-007:2018 14 45 2018 9 15 A A.1 A.1.1 2 HRB400 400mm A.1.2 A.1.3 GB/T228.1-2010 GB1499.2-2007 A.1.4 10 35 0.5mm L0 300kN I mF mR 1MPa 5MPa A.1.5 12 636 631 643 646 638 642 634 635 648 640 637 6
11、46 MPa A.1.6 636MPa 642MPa 640MPa 540MPa A.1.7 A.2 GB/T 228.1-2010 A-1 0mmFRS A-1 mF 0S A.3 A.4 CNAS-TRL-007:2018 15 45 2018 9 15 A.4.1 I 1%B 1%=0.577%33u A-2 0.01kN 0.005kN B 0.01=0.00289kN2 3 2 3u A-3 170kN,0.002%rel,0.577%SFuu A-4 A.4.2 GB 1499.2-2007 24SD A-5 0.5mm 0.01mm CNAS-TRL-007:2018 16 45
12、 2018 9 15 B D B 0.5=0.289mm33DDu A-6,r0.289=100%100%1.44%20DDuuD A-7 GB 1499.2-2007 3.14 0.0016 0.051%A-5 A 29.07mm2A D DSDu u uD A-8,r100%2.88%AAuuS A-9 A.4.3 A 122211()()5.38MPa1 11niiiixx x x xusn(A-10),r5.38100%100%0.841%640ixxuux A-11 A.4.4 YB/T081-2013 5MPa B 51.44MPa2 3 2 3su A-12 CNAS-TRL-0
13、07:2018 17 45 2018 9 15,r100%0.226%ssuux A-13 A.5 A.1 1.16kN 0.577%9.07 mm2 2.88%5.38 MPa 0.841%/1.44 MPa 0.226%/A.6 2 2 2 2r,r,r,r A x su u u u u A-14=2 2 2 20.577%2.88%0.841%0.226%=3.06%r640 3.06%20MPa u xu A.7 k=2=2 40MPa U ku u A.8=(640 40)MPa R x U k=2 CNAS-TRL-007:2018 18 45 2018 9 15 A.9 CNAS
14、-TRL-007:2018 19 45 2018 9 15 B B.1 B.1.1 100mm 100mm 100mm 3 3 B.1.2 B.1.3 GB/T 50081-2016 B.1.4 20 2 100mm 100mm 100mm 1 28d 300mm 1mm 1mm 1mm P B.1.5 100mm 100mm 100mm 150mm 150mm 150mm 150mm MPa 1#2#3#1 42.9 42.0 42.8 42.6 2 42.9 40.5 38.1 40.5 3 39.0 41.6 42.8 41.1 4 40.8 42.1 45.6 42.8 5 41.3
15、42.6 40.1 41.3 6 42.3 39.7 44.6 42.2 7 43.4 40.5 40.2 41.4 8 42.9 38.6 43.7 41.7 9 40.9 42.6 42.2 41.9 10 40.8 40.4 42.8 41.3 CNAS-TRL-007:2018 20 45 2018 9 15 B.1.6 B.2 B-1 PfA B-1 f MPa P kN A mm2 B.3 Au Pu)(u B.4 B.4.1 300mm 0.10 mm B 058.031.01 Lu mm B-2 11,r0.058100%100%0.058%100LLuuL B-3 300mm
16、 1mm 0.5 0.5 mm 100mm B 29.035.02 Lu mm B-4 2,r0.29100%0.29%100Lu B-5 CNAS-TRL-007:2018 21 45 2018 9 15 GB/T 50081-2002 1mm B 29.035.03 Lu mm2 B-6 3,r0.29100%0.29%100Lu B-7 2 2 2,r 1,r 2,r 3,r0.414%L L L Lu u u u B-8 A,r,r0.83%2Luu B-9 B.4.2 YE-3000 1.0%1.0%B 1,r1.0%0.58%3Pu B-10 3000kN 5kN 0.2 1 kN
17、 968kN B 58.0312 Pu kN B-11 2,0.58100%0.06%968Pru B-12 22,r 1,r 2,r0.58%P P Pu u u B-13 B.4.3 10 3 CNAS-TRL-007:2018 22 45 2018 9 15 111.911mnjjkjkpkxxsxmn B-14 1.10pksxsxN B-15 2.64%spsxux B-16 B.5 B.1 0.83%0.58%2.64%/B.6 2 2 2 2 2 2,r.r,r,r(0.83%)(0.58%)(2.64%)2.83%f A Pfu u u u B-17 41.7 2.83%1.1
18、8fu(MPa)B-18 B.7 k=2 2 2.4fUu(MPa)B-19 B.8 41.7 2.4 MPa k=2 f=41.7MPa U=2.4MPa k=2 B.9 CNAS-TRL-007:2018 23 45 2018 9 15 CNAS-TRL-007:2018 24 45 2018 9 15 C C.1 EPS GB/T10294-2008 EPS C.1.1 GB/T 10294-2008 JJF 1059.1-2012 C.1.2 EPS C.1.3 300mm 300mm 25mm C.1.4 23 2 50 5%C.1.5 CD-DR3030 15 35 0.0225,
19、0.02mm C.2 12()dA T T(C-1)W/m K W d m A m2 T1 K T2 K C.3 1 2 3 4 CNAS-TRL-007:2018 25 45 2018 9 15 5 6 7 8 C.4 C.4.1 A 10 EPS 1 1 EPS 1 2 3 4 5 6 7 8 9 10 W/(m K)0.0371 0.0370 0.0367 0.0375 0.0370 0.0366 0.0369 0.0372 0.0377 0.0367 102211()0.00035/()()()=()19niiiixxWm u Kxxx s xn(C-2)A0.00035=0.000/
20、25()22Wuu mK(C-3)EPS 0.0371 W/(m K)A,rel0.00025100%=0.67%0.0371u(C-4)C.4.2 B B C.4.2.1 CD-DR3030 3%B1,rel3%100%=1.73%3u(C-5)C.4.2.2 CD-DR3030 0.0001W/(m K)0.00005W/(m K)CNAS-TRL-007:2018 26 45 2018 9 15 5B20.00005=2.89 10()3/W m K u(C-6)5B1,rel2.89 10100%=0.078%0.0371u(C-7)C.4.2.3 GB/T 10294-2008 0.
21、1%0.05%B3,rel0.05%100%=0.029%3u(C-8)C.4.2.4 1 25.02mm 0 70mm 0.02mm B40.02=0.01153u mm(C-9)B4,rel0.0115100%=0.050%25.02u(C-10)2 0.02mm 0.02mm:B50.02=0.01153u mm(C-11)B5,rel0.0115100%=0.050%25.02u(C-12)3 2 2 2 2B45,rel B4,rel B5,rel+=0.050%+0.050%=0.071%u u u(C-13)C.4.2.5 CNAS-TRL-007:2018 27 45 2018
22、 9 15 0.0225 0.0001 2B60.0001=0.0000583um(C-14)B6,rel0.000058100%=0.26%0.0225u(C-15)C.4.2.6 GB/T 10294-2008 0.2%0.1%20 B720 0.2%=0.011523u(C-16)B7,rel0.0115100%=0.058%20u(C-17)C.4.2.7 2.5%95%95%k=1.96 B8,rel2.5%=1.28%1.96u(C-18)C.5 2 2 2 2 2 2 2 2c,rel+A,rel B1,rel B2,rel B3,rel B45,rel B6,rel B7,re
23、l B8,rel2 2 2 2 2 2 2 2=0.67%1.73%0.078%0.029%0.071%0.26%0.058%1.28%2.3%u u u u u u u u u(C-19)c c,rel 2.3%0.0)371 0.0086/(0 u WK u m(C-20)C.6 k=2 c 2 0.00086)0.0018/(Uu K k Wm(C-21)CNAS-TRL-007:2018 28 45 2018 9 15 C.7 EPS 0.0371 0.0018/()W m K,2 k(C-22)CNAS-TRL-007:2018 29 45 2018 9 15 D D.1 D.1.1
24、 GB/T 176-2017 D.1.2 JJF 1059.1-2012 D.1.3 D.1.4(0.0001g)D.1.5 1g 0.0001g(950 25)15 20min 1 1 n 1 2 2.47 2.50 2.49 D.2 LOIX 787100LOImmXm D-1 LOIX 7m g 8m g D.3 CNAS-TRL-007:2018 30 45 2018 9 15 GB/T 176-2017 6.41 X 0.15%0.25%D.4 1 A0.25%=0.088%2 2 2 2Ru D-2 2 AA0.088%=0.062%22uu D-3 D.5 k=2 AA=2 2
25、0.062%=0.12%U ku u D-4 D.6%49.2 LOIX 0.12%U 2 k D-5 CNAS-TRL-007:2018 31 45 2018 9 15 E TVOC TVOC E.1 E.1.1 E.1.2 TVOC E.1.3 GB 50325-2010 2013 G E.1.4 Tenax-TA 0.5L/20 280 300 E.1.4 TVOC 0.132mg/m3 E.2 TVOC 1 2 3/4 5 6 7 8 9 1 20mCV E-1 C2 mg m3 m g V0 L E.3 TVOC TVOC E.4 E.4.1 V0 0()rel Vu E.4.1.1
26、 000tT PVQTP E-2 V0 L Q L min CNAS-TRL-007:2018 32 45 2018 9 15 t min T0 K T(+273)K P Po E.4.1.2 E-2 02 2 2 2rel()rel()rel()rel()rel()V Q t T Pu u u u u 0rel()Vu rel()Qu rel()tu rel()Tu rel()Pu E.4.1.3 rel()Qu 0 10L min 1.8(k=2)rel()1.80.9002Qu E-3()rel tu:0.05(k=3)rel()0.05%=0.0289%3tu E-4()rel Pu
27、0.3(k=2)rel()0.30.1502Pu E-5()rel Tu:0.2 273K 0.0683(=3 k)CNAS-TRL-007:2018 33 45 2018 9 15 rel()0.06803%=.03 439Tu E-6 02 2 2 2rel()rel()rel()rel()rel()0.914%=V Q t T Pu u u u u E-7 E.4.2 Tenax()rel mu m 1 rel1u 2 C relu2 E.4.2.1 rel1u 1g 100ml 99.5%k=6 relSCu rel0.5%=100%6 99.5%SCu=0.205 E-8()srel
28、 mu 0.0001g rel()0.0001=100%3 1.0smu=0.0058%E-9 1 10ml 1 20ml 2 100ml 200 g/ml 100ml rel(100)0.20=100%30.11150%0vu E-10 10ml rel(10)0.04=100%310.2310%0.vu E-11 20ml CNAS-TRL-007:2018 34 45 2018 9 15 rel(20)0.06=100%=0.173%3 20.0vu E-12 2 2 2rel()rel(10)rel(20)rel(100)2sV v v vu u u u=0.331%E-13 100
29、mL/min 1L 10L 0.2 0.4 2 4 L 2%rel()0.023100 1.155wu E-14 2rel(0)rel2.310 4wuu E-15 2 2 2 2rel1 rel()rel()rel()rel(0)2.343s s sc m Vu u u u u E-16 E.4.2.2 m relu2 3 Y iiY bC a Yi Ci Excel a=1.3819 108 b=2.4117 106 S=2.962 106 1.212 g x 222111 iniiiCCsub P nCC=0.0211 E-17 iC n n=15 P P=1 rel20.0211100
30、%1.741%1.212u E-18 E.4.2.3 m 22rel()rel1 rel22.919%mu u u E-19 E.5 CNAS-TRL-007:2018 35 45 2018 9 15 2022rel()rel()rel()C m Vu u u=3.059%E-20 22rel()230.00404 mg/mCCu u C E-21 E.6 k=2(95)2CU k u=0.008mg/m3 E-22 6.1%E.7 TVOC()30.132 0.()008 mg/m C=k=2 E-23 E.8 TVOC 0 1 2 3 4 5 6 7 8 92 2 2 2 2 2 2 2
31、2()()()()()()()()()()2rel C rel C rel C rel C rel C rel C rel C rel C rel C rel Cu u u u u u u u u u TVOC TVOC F F.1 1 JTG E20-2011 2 60 F.2(,)Y f T M d h F-1 F.3 1()ux CNAS-TRL-007:2018 36 45 2018 9 15 2()uT 3()uM 4()ud()uh F.3.1 A()ux 1 2 3 4 5 6 7 8 9 10 kN 13.05 14.27 12.86 13.45 12.44 12.58 13.
32、01 12.25 12.73 12.55 12.92 102211()()()()=0.587()19niiiix x x xu x s x kNn F-2 F.3.2 B F.3.2.1()uT 0.5 60 1u(T)0.28923 F-3 310 82.460289.0)(T urel F-4 12.92kN:3()4.82 10 12.92 0.623(kN)uT F-5 F.3.2.2 1()uM 0.01kN 310.01()2.89 10 kN23uM F-6 2()uM CNAS-TRL-007:2018 37 45 2018 9 15 Urel=0.4%k=2,urel M2
33、=0.2%u M2=0.2%12.92 0.0258(kN)F.3.2.3 rel()ud rel()uh F.4 1()uM 2()uM()uT()ux 2 2 2 2122 3 2 2 2u(M)(T)(M)(M)(x)(0.623)(2.89 10)(0.0258)(0.587)0.86kNu u u u F-7 F.5()2 0.86 1.7kN U k u M F-8 F.6 12.9kN U=1.7kN k=2 CNAS-TRL-007:2018 38 45 2018 9 15 G G.1 G.1.1 200 0.1mm 55mm 35mm G.1.2;G.1.3 GB/T 450
34、9-2010 G.1.4 0.1mm 25 100g 5s 25 1.5h 1.5h 0.1mm G.1.5 G.2 1 2 3=/3 A x x x G-1 1 2 1 2 3 1 2,.,nY A b b b a a a c c G-2 A Y nb G.3 1a 2a 3a CNAS-TRL-007:2018 39 45 2018 9 15 4a 1b 2b 3b 1c 2c 1 12,.,nA b b b/A 3 2 3a A B 15 25 30 3 B 3 B EL46-5380 10 3 0.1mm G.4 A A 111niis x xn G-3 Sj 1 1 25 1 71.
35、8 72.4 73.0 72.4 0.6000 2 72.1 72.6 72.9 72.5 0.4041 CNAS-TRL-007:2018 40 45 2018 9 15 3 71.9 71.5 72.0 71.8 0.2646 4 72.3 72.8 72.5 72.5 0.2517 5 71.8 71.9 72.1 71.9 0.1528 6 72.8 72.9 73.2 73.0 0.2082 7 73.2 73.1 71.9 72.7 0.7234 8 71.6 72.5 72.4 72.2 0.4933 9 71.5 71.9 72.4 71.9 0.4509 10 71.7 72
36、.4 73.3 72.5 0.8021 72.3 Sp 221 1 111=0.4831m m np j ij jj j iS S x xm m n G-4 n m Sj Sj Sj s 210.221981mjjsssm G-5 s 11 mjissm m Sj j 0.4830.241522 21pSsn G-6 n s s Sp A 0.483Pu A S CNAS-TRL-007:2018 41 45 2018 9 15()0.483()=0.279()n3sxu x kN G.5 B B x ux=0.29x x ux=0.29x 0.1 B u1 c=0.29 0.1=0.029
37、G-7 0.1 B 2u c=0.29 0.1=0.029 G-8 G.5.1 1a u 0.2 aU 3 k 1a u=ak=0.115 G-9 G.5.2 2a u 2a u=0 G-10 G.5.3 3a u Y At B 2 0.1 Y A t B=0.0398 0.1+0.8556=0.8596 3 k 3a=0.8596/3=0.496 u G-11 2 1 15 28.1 27.9 28.3 28.1 2 25 71.8 72.4 73.0 72.4 3 30 110.3 110.1 110.0 110.1 Y=0.0398x+0.8556 R2=0.9991 CNAS-TRL-
38、007:2018 42 45 2018 9 15 G.5.4 4a u 4a u=0 G.6 UY 1 2 1 1 2 3 42 2 2 2 2 2 2 2c c a a a a a A+=0.59 u Y u u u u u u u u G-12 G.7 JJF 1059.1-2012 95%u U k Y=2 0.59=1.2 k=2 G-13 G.8 Y=A U=A 1.2 mm A k=2 G-14 CNAS-TRL-007:2018 43 45 2018 9 15 H H.1 H.1.1 H.1.2 GB50204-2015 E JJF1059.1-2012 JJF1224-2009
39、 H.1.3 40mm 16mm HRB400 H.1.4 HILTI PS200S H.1.5 H.2 h ha=h-ha H-1 h mm ha mm mm H.3 h ha uc cu=u()=2222a()()hhau h u h=2 2 2 211()()ac u h c u h H-2 Ci C1=h/=1 H-3 C2=ah/=1 H-4 uc 2 2 2 2 2 2()()()()()()()c a a au u c h u h c h u h u h u h H-5 H.4 uc u h CNAS-TRL-007:2018 44 45 2018 9 15 u ha u h u
40、 h1 u h2 u h3 3 u h1 u h2 u h3 u ha1 u ha 1 u ha H.5 H.5.1 u h H.5.1.1 u h1 A 40mm 16mm 10 40mm 40mm 41mm 40mm 40mm 41mm 40mm 40mm 40mm 40mm 1X 40.2nii=xnmm H-6 s=1)(12nx xnii=0.42mm H-7 u h1=s=0.42mm H-8 H.5.1.2 u h2 B 1mm 0.5mm u h2=0.5mm/3=0.29mm H-9 H.5.1.3 u(h3 B 1mm u(h3)=1mm/3=0.58mm H-10 u h
41、 u(h)=2 2 2 2 2 21 2 3()()()0.42 0.29 0.58 u h u h u h=0.77mm H-11 H.5.2 u ha u ha1 B 16mm 0.4mm,CNAS-TRL-007:2018 45 45 2018 9 15 0.4mm k=3 u ha1=0.4/3=0.23mm H-12 u ha u ha=u ha1=0.23mm H-13 H.6 uc Cu=2 2 2 2()()0.77 0.23au h u h 0.80mm H-14 H.7 u(xi)u(xi)(mm)Ci 1 u h 0.77 1 1.1 u h1 0.42/1.2 u h2 0.29/1.3 u h3 0.58/2 u ha 0.23-1 2.1 u ha1 0.23/3 Cu=0.80mm H.8 U k=2 U=kcu=2 0.80=1.6 mm H-15 H.9 X=40.2 1.6 mm xU k=2 H-16
