metrology - national standards...• routine calibrations • collaboration with and support to...
TRANSCRIPT
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SMD – ENS Metrology - National Standards
Short overview
Hugo Pirée World Metrology Day 2018 – Brussels
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National Standards SMD - ENS
Division METROLOGY
Gen. Direction QUALITY & SAFETY
FPS ECONOMY Federal
government
MASS THERMOMETRY
TIME AND FREQUENCY ELECTRICITY
NANOMETROLOGY DIMENSIONAL
VOLUME
14 persons
SCK-CEN
IONISING RADIATION
BELMET
UNIVERSITEIT GENT
ANALYTICAL CHEMISTRY
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National Standards E63200
Quality
Research and Development Support Traceability and calibrations
EMRP & EMPIR
Technical secretariat
Dimensional metrology Nanometrology Technical and logistic
support Electricity
R&D, other than EMRP,
EMPIR and nanometrology
Scientific support
Time and Frequency
Mass up to 20 kg
Massa > 20 kg up to 5 T Nanometrology Temperature Volume
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MISSION OF THE NATIONAL METROLOGY INSTITUTE SMD - ENS
ASSURE THE QUALITY OF MEASUREMENTS: Assure traceability to SI standards; Realisation and management of the national SI standards; Assure international recognition of our measurements and calibrations.
GIVE SUPPORT TO INNOVATION: Develop and improve the national SI standards; Develop and improve transfer techniques of these standards to the final user; EMRP – EMPIR activities.
TRANSFER OF METROLOGICAL KNOWLEDGE: Expertise and consultation tasks; Continuous transfer of knowledge (advice, presentations, training…).
For economic and scientific sectors:
ASSURE THE QUALITY OF MEASUREMENTS
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Assure traceability to SI standards
Traceability: property of a measurement result whereby the result can be related to a reference through a documented unbroken chain of calibrations, each contributing to the measurement uncertainty”. Only traceable measurements, given with their uncertainty values are comparable
1. Confidence in the
2. Quality of the measurement and
3. Equivalence to other similar measurements
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THE UNBROKEN CHAIN OF CALIBRATIONS
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Unit definition
Primary standard
Secondary standard
Working standard
Instruments
Maintained by National Measurement Institute
(unit realization)
Compared with primary standard (calibration at NMI)
Compared with secondary standard
(calibration at accredited or final user’s lab) Compared with
working standard (in-field or lab
calibration)
International agreement
ASSURE INTERNATIONAL RECOGNITION OF OUR MEASUREMENTS AND CALIBRATIONS
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Accreditation and certification ISO 17025 for calibration laboratories, BELAC 425-CAL ISO 9001
BIPM
www.bipm.org CIPM MRA : 92 national metrology institutes and DIs (Mutual Recognition Agreement) CMCs : Calibration and Measurement Capabilities
EURAMET TC-Quality
www.euramet.org Confirmation of the quality system with respect to the MRA-CMCs
Participation in activities and international comparisons of Euramet and BIPM.
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TASKS AND OBJECTIVES OF THE NATIONAL METROLOGY INSTITUTE SMD - ENS
The actions set up to ensure our services in an optimal way are: • routine calibrations
• collaboration with and support to industrial metrology and research
• a special attention towards the nanometrology through investments and an
innovating development programm
• the implication in European research programs in metrology (EMRP, EMPIR and Euramet)
• the technical and scientific support to the Belgian organizations Belac and Belmet and to research centers and industry
• the participation in activities and international comparisons of Euramet and BIPM.
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Laboratories at NGIII and Haren
17 laboratories Controlled temperatures: 20 °C or 23 °C; ± 0,2 °C to ± 1 °C Controlled humidities 45 % ± 5 % Controlled power supply for some labs UPS 20 kVA (30 minutes) + diesel generator 230 V ± 0,5 % THD < 1,7 % 50 Hz ± 0,1 Hz
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Mass
2 Standard PtIr prototypes kg 2 Stainless steel standard kg 1 mg to 20 kg with automatic
comparators (carousels and robots) Closed series method > 20 kg up to 5 ton at site Haren
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Thermometry
fixed points cells Ar, Hg, H2O, Ga, In, Sn, Zn, Al, Ag reference SPRT and HSPRT thermometers low temperature furnace (Ga) high temperature furnace (In, Sn, Zn) high temperature "heat-pipe" furnace (Al, Ag) AC bridge (ASL F18) AC bridge (ASL F300) Research on the effect of the composition of H2O on
the fixed temperature point of 0,01 °C.
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Time and Frequency
Cesium frequency standards
Hydrogen frequency standard
High-end satellite receivers
Via the BIPM: active partner in the international time scale.
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Electrical measurements
DC/AC(LF): • Voltage, Zeners, Josephson • Resistance • LF Impedance (capacitance and inductance)
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Dimensional Metrology
Classical Dimensional Metrology Dimensional nanometrology
Wavelengths: λ = 530 nm to 2 100 nm U = 10-13 ∙ λ
Linear length: L = 1 nm - 2 km U = 1 nm - 30 cm
Diameter: D = 0,2 mm - 300 mm U = 0,13 µm - 0,25 µm
Angle: 0° - 360° U = 0,02” - 0,1"
Form: Roundness, Flatness, Cilindricity, Straightness… U ≥ 20 nm
Instruments
µCMM Measurements 130 mm x 130 mm x 100 mm U ≥ 100 nm
Reference gratings for AFM, SPM,… Pitch 300 nm - 20 µm U ≥ 0,01 nm
Micro - Nano Displacement Generators and Sensors: L = 10 nm - 1 mm U ≥ 1 nm
Precision Line Scales, Stages, Gratings… L = 1 µm - 1 000 mm U ≥ 20 nm
Particle size / step height at nanometer levels
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Volume
The OIML Recommendation R120
up to 10 l: volumetric (filling) method with automatic pipettes
20 l, 50 l and 100 l: gravimetric method and densimeter
> 100 l … n ∙ 1000 l: volumetric (filling) method with reference volumes and automatic pipettes
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Visit of laboratories of the Belgian National Metrology Lab Site NG3
Labs to visit:
Thermometry
Mass up to 20 kg Dimensional metrology
Electricity Time – Frequency