environmental agengy of the republic of slovenia
DESCRIPTION
ENVIRONMENTAL AGENGY OF THE REPUBLIC OF SLOVENIA. Slovakia, Slovenia. INTERCOMPARISON BETWEEN RA VI ( France, ) AND RA II (Australia) REGIONAL INSTRUMENT CENTRES. 4 W METHOD. W. HY. W. HO. W. ITH. W. HAT. WHY. METROLOGY PYRAMID. BIPM. NATIONAL - PowerPoint PPT PresentationTRANSCRIPT
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INTERCOMPARISON BETWEEN RA VI ( France, )
AND RA II (Australia)
REGIONAL INSTRUMENT CENTRES
ENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
Slovakia, Slovenia
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4 W METHOD
W
W
W
W
HY
HO
ITH
HAT
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WHY
METROLOGY LABORATORIES
MANUFACTURERS / PUBLIC
NATIONAL LABORATORY
BIPM
METROLOGY PYRAMID
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WHY
NMHS
AWS / STATION
RIC
WMO
METEOROLOGY PYRAMID
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WHY
DISSEMINATION TRACEABILITY
INTERCOMPARISON
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WHY
WMO N°8 Guide to Meteorological Instruments And Methods of observation:
« Intercomparisons of instruments and observing systems, together with agreed quality control procedures, are essential for the establishment of compatible data sets. »
Term Of Reference for RICTerm Of Reference for RIC CapabilityCapability ““(f) A RIC must participate in, or organize inter-laboratory comparisons of (f) A RIC must participate in, or organize inter-laboratory comparisons of
standard calibration instruments and methods,standard calibration instruments and methods, » »
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WHO
[email protected]@gov.si
[email protected] [email protected]
ENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
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WHO
• Range: -30°C to +50°C,• Method of immediate comparison,• Reference standard: SPRT
Rosemount, model 162CE,• Resistance bridge: Hart Scientific,
model 1560, 2560 and 2562 for PRT calibrations,
• Standard resistors: 25, 100 Tinsley 5685A,
• Liquid bath Julabo FP40-HP,• Best Measure Capability 0.05°C.
TEMPERATURE
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WHO
• Traceability to National Standard,• Range: 10% RH to 95% RH,• Method of immediate comparison,• Monitoring of the calibration process,• Best measure capability 2.5% RH
HYGROMETRY
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WHO
Traceability to National Standard, Range: 600 hPa to 1100 hPa, Method of immediate comparison, Best Measure Capability is 0.11 hPa
PRESSURE
DH Instruments PPC2+
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WHOENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
Environmental Agency of the Republic of Slovenia
Vojkova 1b1000 Ljubljana
Sloveniawww.arso.gov.si
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WHOENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
HYGROMETRY
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WHOENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
TEMPERATURE
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WHOENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
PRESSURE
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WHO
Quantities Range BMC (k=2)
Temperature
Water triple point 0.01 °C 1 mK
Gallium melting point 29.7646 °C 1.5 mK
Resistance thermometers -40 °C ÷ 50 °C 15 mK
Liguid-in-glass
thermometers
-20 °C ÷ 50 °C 70 mK
Thermographs -20 °C ÷ 0 °C
0 °C ÷ 50 °C
0.3 °C
0.2 °C
Relative humidity 10 % ÷ 95 % 3 %
Air pressure 600 hPa ÷ 1200 hPa 5.4·10-5·p + 5 Pa
Air quality quantities
CO concentration 0 -15 ppmv 0.07 ppm + 0.016 · cCO
SO2 concentration 0 - 500 ppbv 0.8 ppb + 0.021· cSO2
NO concentration 0 - 500 ppbv 0.9 ppb + 0.031· cNO
NO2 concentration 0 - 500 ppbv 1.5 ppb + 0.02 · cNO2
O3 concentration 0 - 500 ppbv 2.6 ppb + 0.024 · cO3
ENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
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WHO
Bureau of MeteorologyGPO Box 1289
Melbourne VIC 3001Australia
Phone +03 9669 4000Fax +03 9669 4699
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WHO
PRESSURE
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WHO
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WHO
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WHO
Domain Type of standard Type Manufacturer Range U (k=2)95%
Temperature
ITS-90 fixed points Hg, H2O, Ga, In Isotech -38 – 156oC 20 mK
Pressure Dead Weight Tester Gas piston gauge
Ruska 500 – 1100 hPa
2 Pa
Humidity Dew Point Hygrometer
Chilled mirror Eastern General
DP -70 -+40 0.15oC DP
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WHO
Météo-FranceDSO/LM
7 Rue Teisserenc de Bort78195 TRAPPES France
Phone +33130136350Fax +33130136020
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WHO
HUMIDITY 11 % : LiCl 33 % : MgCl 54 % : N2O6Mg 75 % : NaCl 95 % : K2SO4
Uncertainty: 2.4 %
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WHO
2 temperature benchHumidity generation with a circulating bench called “2 temperature bench”
From -50°C to +50°C From 0% to 99% Uncertainty 1.6 %.U
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WHO
PRESSURE
range 500 to 1060 hPa Uncertainty: 8.8 + 5.4.10-5 P Pa.
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WHO
TEMPERATURE
-50 à +50°C ASL resistor bridge Uncertainty 0.03 °C
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WITH
Set of instruments developed by
Australian Bureau
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WITH
THERMOMETER
Instrulab 4312A-15-07 (PT100)
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WITH
HYGROMETER
Vaisala HM-70 humidity sensor
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WITH
BAROMETER
PTB 220A 3 cells
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WITH
NORMALISED BIAS
22
21
21
UU
BBBN
B1 and B2 are respectively the bias (True value – Instrument value)U1 and U2 are the associated expanded uncertainties.
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WHAT
-0,15
-0,10
-0,05
0,00
0,05
0,10
0,15
0,20
0,25
0,30
France Australie Slovakia Slovenia
PRESSURE
PRESSURE (hPa)
BIAS (hPa)
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WHAT
-4
-3
-2
-1
0
1
2
3
4
0 10 20 30 40 50 60 70 80 90 100
Correction Australie France salt France 2 temp Slovakia Slovenia
HUMIDITY
U (%)BIAS (%)
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WHAT
-0.0020
-0.0010
0.0000
0.0010
0.0020
0.0030
0.0040
0.0050
0.0060
0.0070
0.0080
0.0090
-60 -40 -20 0 20 40 60
AUSTRALIA
SLOVAKIA
SLOVENIA
FRANCE
TEMPERATURE
(°C)
BIAS (°C)
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CONCLUSION
RIC’s UNCERTAINTIES
PRESSURE TEMPERATURE HUMIDITY
AUSTRALIA 0.06 0.02 1
SLOVENIA 0.05 0.02 2.4
SLOVAKIA 0.12 0.05 2.6
FRANCE 0.16 0.03 2.5
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CONCLUSION
INSTRUMENTS
STABLE
SUITABLE
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CONCLUSION
PROCEDURES
AND
METHODS
ARE SUITABLE FOR INTERCOMPARISONS
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CONCLUSION
ORGANISED BY RIC
INTERCOMPARISONS
PROMOTED BY WMO
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THANKSENVIRONMENTAL AGENGY
OF THE REPUBLIC OF SLOVENIA
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THANKS
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THE END ?
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TO BE CONTINUED…
THANKS FOR YOUR ATTENTION