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News from the BIPM laboratories—2016
2017
Metrologia
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The startup meeting for the CB&KT programme for 'Metrology for Safe Food and Feed', focusing on mycotoxin metrology and standards, was held at the BIPM in April 2016, with the participation of INMETRO, ...
The development of methods to characterize calcitonin calibrators was undertaken by a secondee from the HSA (Singapore), with the material intended as a future candidate key comparison material for small ...
This will extend the present JVS comparisons (BIPM.EM-K10) at 1.018 V and 10 V to alternating signals. Both Josephson standards were compared indirectly by using a calibrator as a transfer standard. ...
doi:10.1088/1681-7575/aa572c
fatcat:fido3myuvrctpkjmwft275kaeq
Metrology in electricity and magnetism: EURAMET activities today and tomorrow
2017
Metrologia
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This work has resulted in a new SRA of the second largest European funding programme: European Metrology Programme for Innovation and Research. ...
EURAMET is the European RMO and has been very prominent in developing a strategic research agenda (SRA) and has established a comprehensive research programme. ...
For on-site calibrations a modular 1000 kV direct voltage divider was designed, manufactured, and calibrated as a joint effort of VTT Technical Research Centre of Finland (MIKES), SP, VSL, PTB, and the ...
doi:10.1088/1681-7575/aa7cae
fatcat:si4vb4pk6bcw5novfa7yuf6jvy
Achievable Accuracy in Industrial Measurement of Dissipation Factor of Power Capacitors
2018
NCSLI Measure
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Modern dielectrics used in power capacitors can exhibit a dissipation factor lower than 0.005 %, which approaches the limits of presently available measurement techniques. ...
It is shown that further metrological advances are necessary to lower uncertainty in the measurement to levels at least five times less than presently achievable, in order to ensure traceable and quality-assured ...
As an example, the Josephson effect is used to link the second, Planck's constant, and the charge of the electron, to the unit for electromotive force (voltage) [23] and doing this is one of the tasks ...
doi:10.1080/19315775.2017.1335585
fatcat:zrmvrjoecfb7xni2lhtcab4cai
Quantum resistance metrology using graphene
2013
Reports on progress in physics (Print)
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2013 pre-print arXiv:1303.3749v1 fatcat:wgmmm4knzrh3de4ywpdd2xa6y4Other Versions
In this paper we review the recent extraordinary progress in the development of a new quantum standard for resistance based on graphene. ...
We discuss the unique properties of this material system relating to resistance metrology and discuss results of the recent highest-ever precision direct comparison of the Hall resistance between graphene ...
capacitance, C, and voltage, V g . ...
doi:10.1088/0034-4885/76/10/104501
pmid:24088373
fatcat:2b5pegicvrcdthqow7grbddvvm