Results for: Saudi Arabia
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Saudi Arabia, SASO-NMCC (National Measurement and Calibration Center - Saudi Standards, Metrology and Quality Organization)
Linear dimensions , End standards : 0.5 mm to 100 mm
Gauge block: central length L
Absolute expanded uncertainty : 3.0E1 nm to 4.0E1 nm
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Q[30nm, 0.27e-6L] L in mm, values range from 30 nm to 40 nm
The uncertainty is expressed in nm
Interferometry, exact fractions
ISO 3650:1998(E)
central length : L
Approved on 03 November 2021
Institute service identifier : LE-WL-02
Linear dimensions , End standards : 125 mm to 1000 mm
Gauge block: central length L
Absolute expanded uncertainty : 6.0E1 nm to 2.8E2 nm
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Q[49nm; 0.28e-6L] L in mm, values range from 60 nm to 284 nm
The uncertainty is expressed in nm
Interferometry exact fractions
Approved on 03 November 2021
Institute service identifier : LE-WL-03
Radiations of the mise en pratique , Absolute frequency : 474 THz
Frequency stabilized laser
Absolute expanded uncertainty : 2.4E1 kHz
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Frequency stabilized laser
Approved on 03 November 2021
Institute service identifier : LE-WL-01
Radiations of the mise en pratique , Vacuum wavelength : 633 nm
Frequency stabilized laser
Absolute expanded uncertainty : 3.0E-2 fm
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Frequency stabilized laser
Approved on 03 November 2021
Institute service identifier : LE-WL-01

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