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Calibration and characterization certificates: Portugal
2017
No. 7 Ionization chamber PTW TM 34069, No. 163, in mammography x-rays IST, Portugal
No. 2 Ionization chamber PTW TM30001, No. 1576, in a 60Co gamma-ray beam IST, Portugal

2016
No. 59 10 000 Ω resistance standard, ESI type SR104, No. J207119030104 IPQ, Portugal
No. 58 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 49 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01305 IPQ, Portugal

2014
No. 65 10 000 Ω resistance standard, ESI type SR104, No. J207 119 030 104 IPQ, Portugal
No. 64 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 56 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 01305 IPQ, Portugal
No. 21 1 kg mass standard in stainless steel, No. 116478 IPQ, Portugal
No. 20 1 kg mass standard in stainless steel, No. 116476 IPQ, Portugal
No. 19 1 kg mass standard in stainless steel, No. 116475 IPQ, Portugal

2011
No. 56 Ionization chamber PTW TM 30001, No. 1576 in a 60Co gamma-ray beam ITN, Portugal
No. 55 Ionization chamber PTW TM 34069, No. 163 in mammography x-rays ITN, Portugal
No. 46 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01305 IPQ, Portugal
No. 11 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 10 10 000 Ω resistance standard, ESI SR 104, No. J207 119 030 104 IPQ, Portugal

2008
No. 58 Prototype de masse, n 69 Portugal
No. 21 10 pF capacitance standard, No. 01305 INETI, Portugal
No. 8 10 000 ohm resistance standard, No. J207 119 030 104 INETI, Portugal
No. 7 1 ohm resistance standard, No. 1799559 INETI, Portugal

2006
No. 51 Helium-neon laser at 633 nm, No. 445 IPQ, Portugal

2005
No. 50 Ionization chamber in 60Co gamma-ray beam, PTW TM30001 1576 ITN, Portugal
No. 43 10 pF capacitance standard, No. 01305 INETI, Portugal
No. 9 Helium-neon laser at 633 nm, IPQ2 IPQ, Portugal

2004
No. 57 10 000 ohm resistance standard, No. J204 119 030 104 INETI, Portugal
No. 56 1 ohm resistance standard, No. 1799595 INETI, Portugal

2002
No. 45 1 ohm resistance standard, No. 179 959 5 INETI, Portugal
No. 44 Zener diode voltage standard, No. 616 000 9 INETI, Portugal
No. 41 10 pF capacitance standard, No. 01305 INETI, Portugal

2000
No. 14 Étalon de résistance de 1 omega, no 1799595 INETI, Portugal
No. 13 10 pF capacitance standard, No. 01278 INETI, Portugal
No. 12 Étalon de force électromotrice à diode de Zener, no 616 0009 INETI, Portugal

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