Status Report CIPM Key Comparison for Volume Intercomparison at 20 L and 100 mL R Arias CCM.FF-K4.1.2011.

Presentación del tema: "Status Report CIPM Key Comparison for Volume Intercomparison at 20 L and 100 mL R Arias CCM.FF-K4.1.2011."— Transcripción de la presentación:

1 Status Report CIPM Key Comparison for Volume Intercomparison at 20 L and 100 mL R Arias CCM.FF-K4.1.2011

2 outline of presentation Overview of the comparison process Definition of the transfer standards Conditions selected Progress Data analysis plan Comments and questions

3 Phase 1 Phase 2 CCM.FF-K4.1.2011 T1 T2 C1T1C1T2C1T3 CENAM:produced and tested T1T2 C1T1C1T2C1T3 SIM : CENAM, NIST, NRC/MC, INMETRO EURAMET: IPQ, VSL, SP, INRIM APMP: KRISS, NIM overview 20 L 100 mL

4 T1 C1T1C1T4 T2 C1T2C1T5 T3 C1T3C1T6 SIM.M.FF-K4 EURAMET.M.FF-K4 APMP.M.FF-K4 Phase 3 RMO.FF-K4.1.20XX overview

5 transfer standards 20 L 20 L pipettes stainless steel made overflow type mirror quality inner surface cleaning suitability thermal coefficient: 0,000 048 1/ºC 3-way valve for filling and draining RTD and digital thermometer included Torque wrench included

6 transfer standards 100 mL 100 mL pycnometers Gay Lussac type with alignment marks thermal coefficient: 0,000 01 1/ºC temperature sensor not included

7 Volume of water that the 20 L transfer standard DELIVERS at a reference temperature of 20 °C, after a 60 s as dripping off time Volume of water that the 100 mL transfer standard CONTAINS at a reference temperature of 20 °C. Conditions selected 20 L and 100 mL

8 participants #NMIDateRemarks 1ACENAMMexicoApril 2012Pilot, SIM Pivot 2NISTUSAMay 2012 SIM participant John Wright 3NRC/ICCanadaJune 2012 SIM participant Mario Dupuis 4IPQPortugalJuly 2012 EUROMET participant Elsa Batista 5VSLNetherlandsAugust 2012 EUROMET participant Erik Smits 6SPSwedenSeptember 2012 EUROMET pivot Olle Pentinnen 7INRIMItalyOctober 2012 EUROMET participant Andrea Malengo 8KRISSKoreaNovember 2012 APMP participant Yong Jae Lee 9NIMChinaDecember 2012 APMP participant Wang Jintao 10INMETROBrazilJanuary 2013 SIM participant Dalni Malta 1BCENAMMexicoFebruary 2013Pilot

9 test plan 20 L and 100 mL

10 test plan Information to be reported

11 CCM.FF-K4 progress #NMIDatestatus 1ACENAMMexicoApril 2012Results ready 2NISTUSAMay 2012Results ready 3NRC/ICCanadaJune 2012Testing 4IPQPortugalJuly 2012 5VSLNetherlandsAugust 2012 6SPSwedenSeptember 2012 7INRIMItalyOctober 2012 8KRISSKoreaNovember 2012Canceled 9NIMChinaDecember 2012 10INMETROBrazilJanuary 2013 1BCENAMMexicoFebruary 2013

12 data analysis plan 20 L and 100 mL incomes: x i, i=1,...N u(x i ), i=1,...N outcomes: KCRV:, x ref, u(x ref ) d i = x i -x ref, u(d i ) d i,j = x i -x j, u(d i,j ) weighted mean Largest Consistent Subset calculation method

13 data analysis plan KCRV as the weighted mean Reference: The evaluation of key comparison data M. G. Cox; Metrologia, 2002, 39, 589-595 2 degree of equivalence 1 KCRV Consistency check is necessary