metrology within meteorology · ric-2_morocco/doc-4_survey.pdf ... pitot tube. others. global (20)...
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Metrology within Meteorology
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METROLOGY PYRAMID
METROLOGY LABORATORIES
MANUFACTURERS / PUBLIC
NATIONAL LABORATORY
BIPM
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METEOROLOGY PYRAMID
SHMS
NETWORK INSTRUMENT
RIC
WMO
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Regional Instrument Centre
• Regional
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RA I Alger (Algeria) Cairo (Egypt) Casablanca (Morocco) Nairobi (Kenya) Gaborone (Botswana)
RA II Beijing (China) Tsukuba (Japan)
RA III Buenos Aires (Argentina)
RA IV Bridgetown (Barbados) San José (Costa Rica) Mount Washington (United States)
RA V Manila (Philippines) Melbourne (Australia)
RA VI Trappes (France) Bratislava (Slovakia) Ljubljana (Slovenia)
Regional Instrument Centre
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METROLOGYDISSEMINATION TRACEABILITY
INTERCOMPARISON
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Terms of Reference
• Capabilities
• Functions
http://www.wmo.int/pages/prog/www/IMOP/instrument-reg-centres.html
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Capabilities
• (a) A RIC must have, or have access to, the necessary facilities and laboratory equipment to perform the functions necessary for the calibration of meteorological and related environmental instruments
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Capabilities
• (b) A RIC must maintain a set of meteorological standard instruments and establish traceability of its own measurement standards and measuring instruments to the SI
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Capabilities
• (c) A RIC must have qualified managerial and technical staff with necessary experience in fulfilling its functions
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Capabilities
• (d) A RIC must develop its individual technical procedures for calibration of meteorological and related environmental instruments using calibration equipment employed by the RIC
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Capabilities
• (e) A RIC must develop its individual quality assurance procedures
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Capabilities
• f) A RIC must participate in, or organize inter-laboratory comparisons of standard calibration instruments and methods
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Capabilities
• (g) A RIC must, as appropriate, utilize the resources and capabilities of the Region to the best interest of the Region
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Capabilities
• (h) A RIC must, as far as possible, apply international standards applicable for calibration laboratories, such as ISO 17025
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Capabilities
• (i) A recognized authority must assess a RIC, at least every five years, to verify its capabilities and performance
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Corresponding functions
• (j) A RIC must assist Members of the Region in calibrating their national meteorological standards and related environmental monitoring instruments
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Corresponding functions
• (k) A RIC must participate in or organize, WMO and/or regional instrument intercomparisons, following relevant CIMO recommendations
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Corresponding functions
• (l) According to relevant recommendations on the WMO Quality Management Framework a RIC must contribute positively to Members regarding quality of measurements
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Corresponding functions
• (m) A RIC must advise Members on inquiries regarding instrument performance, maintenance and the availability of relevant guidance materials
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Corresponding functions
• (n) A RIC must actively participate in, or assist in the organization of regional workshops on meteorological and related environmental instruments
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Corresponding functions
• (o) The RIC must cooperate with other RICs in standardization of meteorological and related environmental measurements
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Corresponding functions
• (p) A RIC must regularly inform Members and report1, on an annual basis, to the president of the Regional Association and to the WMO Secretariat on services offered to Members and activities done.
1 Web-based approach is recommended
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Tools• Training
http://www.wmo.int/pages/prog/www/IMOP/meet ings.html
• RIC http://www.wmo.int/pages/prog/www/IMOP/instr ument-reg-centres.html
• Qualityhttp://www.wmo.int/pages/prog/www/IMOP/publi cations/IOM-103_RIC- Eval/Evaluation%20Scheme%20RIC%20En_V_ 2.1.xls
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Evaluation Scheme2.1 Objectives• The Evaluation Scheme, based on RIC’s TOR
and on the ISO 17025 Standard, is an evaluation and improvement checklist system developed for the regular auditing of RICs. The main objective of the Evaluation Scheme is to measure the differences between real practices and requirements.
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Evaluation SchemeEvaluation Scheme RIC En_V_2.1.xls
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Survey Evaluation of the Survey
on Maintenance and Calibration of Basic Meteorological Instrumentation
http://www.wmo.int/pages/prog/www/IMOP/meetings/CB/ET- RIC-2_Morocco/Doc-4_Survey.pdf
Result -> 73 questionnaires = 40 %
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Survey
Maintenance 92%
Calibration P 74%
Calibration T 62%
Calibration U 56%
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SummaryPressure
Dead weight Quartz Silicium Capsule Mercury
Global (62) 14 13 12 4 19
TemperatureFixed points SPRT PRT Mercury
Global (52) 3 19 10 20
Humidity Dew point Salt solution Psychro Capacitive Hair
Global (43) 11 7 15 8 2
Wind Hot wire Pitot Tube Others
Global (20) 5 12 3
Rain Weight Bottle
Global (20) 7 14
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Survey Availability and independency
of the calibration laboratories
Organisation Independence Accreditation ISO 9001 Future
Yes 50 23 13 6 41
No 11 34 0 0 8
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Conclusion
“A RIC must maintain a set of meteorological standard instruments and establish traceability of its own measurement standards and measuring instruments to the SI.”
Also applicable to every national calibration laboratory.
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Conclusion• E-meeting,
• E-group,
• E-forum on metrology intended for calibration laboratory managers.
• Specialised round tables in the shade of TECO.