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Calibration and characterization certificates: South Africa
2016
No. 77 Ionization chamber PTW 30010, No. 132, in low-energy x-rays NMISA, South Africa
No. 76 Ionization chamber PTW 30010, No. 132, in medium-energy x-rays NMISA, South Africa
No. 75 Ionization chamber PTW 30010, No. 132, in a 60Co gamma-ray beam NMISA, South Africa
No. 15 Ionization chamber PTW W32002, No. 055, in 137Cs gamma-ray beam NMISA, South Africa
No. 14 Ionization chamber NE 2530, No. 643, in 137Cs gamma-ray beam NMISA, South Africa

2015
No. 77 1 kg mass prototype, No. 56 South Africa
No. 44 10 000 Ω resistance standard, Fluke type 742A, No. 4975043 NMISA, South Africa
No. 43 1 Ω resistance standard, Leeds and Northrup type 4210, No 1146606 NMISA, South Africa
No. 42 1 Ω resistance standard, Leeds and Northrup type 4210, No. 113427 NMISA, South Africa
No. 38 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 37 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 36 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 35 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa

2014
No. 52 Ozone analyzer Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa

2013
No. 17 Ionization chamber PTW W32002, No. 055 in gamma-ray beams NMIMSA, South Africa
No. 16 Ionization chamber NE 2530, No. 649 in a 137Cs gamma-ray beam NMISA, South Africa
No. 15 Ionization chamber PTW 30012, No. 0064 in x-rays beams NMISA, South Africa
No. 14 Ionization chamber PTW 30012, No. 0064 in a 60Co gamma-ray beam NMISA, South Africa
No. 13 Ionization chamber NE 2571, No. 2719 in x-rays beams NMISA, South Africa
No. 12 Ionization chamber NE 2571, No. 2719 in a 60Co gamma-ray beam NMISA, South Africa

2012
No. 59 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 58 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 57 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 56 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa
No. 39 Ozone analyzer Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa

2011
No. 31 10 000 Ω resistance standard, Fluke 742A, No. 4975043 NMISA, South Africa
No. 30 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1132427 NMISA, South Africa
No. 29 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1146606 NMISA, South Africa

2010
No. 56 Ozone analyser, Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa
No. 47 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 46 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 45 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 44 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa
No. 7 Ionization chamber NE 2530, No. 649 in gamma-ray beams NMISA, South Africa
No. 6 Ionization chamber PTW 30012, No. 0064 in a 60Co gamma-ray beam NMISA, South Africa
No. 5 Ionization chamber PTW 30012, No. 0064 in x-ray beams NMISA, South Africa
No. 4 Ionization chamber NE 2571, No. 2719 in a 60Co gamma-ray beam NMISA, South Africa
No. 3 Ionization chamber NE 2571, No. 2719 in x-ray beams NMISA, South Africa

2008
No. 36 Ozone analyser, Advanced Pollution Instrumentation 400 No. 823 NMISA, South Africa
No. 32 100 pF capacitance standard, No. 01287 NMISA, South Africa
No. 31 10 pF capacitance standard, No. 01286 NMISA, South Africa
No. 30 1 pF capacitance standard, No. 01285 NMISA, South Africa
No. 29 1 pF capacitance standard, No. 01284 NMISA, South Africa
No. 28 1 ohm resistance standard, No. 1 146 606 NMISA, South Africa
No. 27 1 ohm resistance standard, No. 1 132 427 NMISA, South Africa

2007
No. 81 Ionization chamber in x-rays, No. 0064 NMISA, South Africa
No. 80 Ionization chamber in 60Co gamma-ray beams, No. 0064 NMISA, South Africa
No. 79 Ionization chamber in x-rays, NE 2571 2719 NMISA, South Africa
No. 78 Ionization chamber in 60Co gamma-ray beams, NE 2571 2719 NMISA, South Africa

2006
No. 17 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 16 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 15 1 pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 14 1 pF capacitance standard, No. 01284 CSIR-NML, South Africa

2005
No. 88 Prototype de masse, 56 South Africa
No. 86 1 ohm resistance standard, 1 132 427 CSIR-NML, South Africa
No. 85 1 ohm resistance standard, 1 146 606 CSIR-NML, South Africa
No. 29 Ionization chamber in a 60Co gamma-ray beam, NE 2611-144 CSIR-NML, South Africa
No. 28 Ionization chamber in x-rays, NE 2611-144 CSIR-NML, South Africa
No. 27 Ionization chamber in gamma-ray beams, NE 2530-649 CSIR-NML, South Africa
No. 7 Helium-neon laser at 633 nm, CSIR 4 CSIR, South Africa

2004
No. 54 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 53 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 52 1 pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 51 1 pF capacitance standard, No. 01284 CSIR-NML, South Africa

2003
No. 17 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 16 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 15 1pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 14 1pF capacitance standard, No. 01284 CSIR-NML, South Africa

2002
No. 77 Ionization chamber in 137Cs gamma-ray beam, NE 2611A-144 CSIR-NML, South Africa
No. 76 Ionization chamber in 60Co gamma-ray beam, NE 2611A-144 CSIR-NML, South Africa
No. 75 Ionization chamber in x-rays, NE 2611A-144 CSIR-NML, South Africa
No. 51 1 ohm resistance standard, No. 113 242 7 CSIR-NML, South Africa
No. 50 1 ohm resistance standard, No. 114 660 6 CSIR-NML, South Africa
No. 11 1 kg mass standard in stainless steel, No. 8 CSIR-NML, South Africa

Traceability to the SI through the BIPM
Subject area:
What is traceability?
BIPM policy on stating uncertainties
Provision of BIPM technical services per Member State
Chemistry
Electricity
Ionizing Radiation
Mass
Time
Related articles
BIPM calibration and measurement services
Comparisons piloted by the BIPM