Results for: Bulgaria length
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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)
Bulgaria, BIM (Bulgarian Institute of Metrology)
Linear dimensions ,
End standards
:
100 mm to 1000 mm
Length bar (long gauge block): central length L
Absolute expanded uncertainty
:
0.17 µm to 0.84 µm
Q[0.15 µm, 0.82E-06 L]
Interferometry, fringe counting and white light
Orientation : horizontal
Approved on 12 September 2016
Institute service identifier : 6
CMC ID :
EURAMET-L-BG-00000DJH-2
Linear dimensions ,
Line standards
:
1 mm to 1000 mm
Line scale: line spacing L
Absolute expanded uncertainty
:
0.16 µm to 0.7 µm
Q[0.16 µm, 0.68E-06 L]
Fringe counting interferometer and microscope
Approved on 22 March 2005
Institute service identifier : 8
CMC ID :
EURAMET-L-BG-00000DJ6-2
Linear dimensions ,
Line standards
:
0 m to 20 m
(surveyor, engineer) tape: line spacing L
Absolute expanded uncertainty
:
7.0E-2 mm to 0.14 mm
Q[0.07 mm, 6.0E-06 L]
Interferometry
Approved on 22 March 2005
Institute service identifier : 9
CMC ID :
EURAMET-L-BG-00000DJ7-2
Angle ,
Angle artifacts
:
0 ° to 360 °
Angle blocks: included angle
Absolute expanded uncertainty
:
5 arcsecond
Goniometer
Approved on 02 August 2013
Institute service identifier : 17
CMC ID :
EURAMET-L-BG-00000DJF-2
Linear dimensions ,
Length instruments
:
0 mm to 200 mm
1-D measuring machine: displacement L
Absolute expanded uncertainty
:
0.52 µm to 1.8 µm
Q[0.52 µm, 8.2E-06 L]
Length comparator with incremental line scale
Orientation : horizontal
Approved on 22 March 2005
Institute service identifier : 3
CMC ID :
EURAMET-L-BG-00000DJ3-2
Radiations of the mise en pratique ,
Laser radiations
:
633 nm
Frequency stabilized laser: vacuum wavelength
Relative expanded uncertainty
:
1.0E-9
Optical beat frequency
Approved on 22 March 2005
Institute service identifier : 2
CMC ID :
EURAMET-L-BG-00000DJ2-2
Angle ,
Angle by circle dividers
:
0 ° to 360 °
Rotary table, heads and goniometers: angle
Absolute expanded uncertainty
:
4 arcsecond
Optical polygon and autocollimator
Approved on 02 August 2013
Institute service identifier : 15
CMC ID :
EURAMET-L-BG-00000DJD-2
Angle ,
Angle instruments
:
0 ° to 180 °
Bevel protractor
Absolute expanded uncertainty
:
5 minute
Angle blocks
Approved on 02 August 2013
Institute service identifier : 18
CMC ID :
EURAMET-L-BG-00000DJG-2
Radiations of the mise en pratique ,
Laser radiations
:
633 nm
Frequency stabilized laser: vacuum wavelength
Absolute expanded uncertainty
:
5.0E-2 fm
Optical beat frequency
Approved on 22 March 2005
Institute service identifier : 1
CMC ID :
EURAMET-L-BG-00000DJ0-2
Linear dimensions ,
End standards
:
100 mm to 1000 mm
Long gauge block: central length L
Absolute expanded uncertainty
:
0.28 µm to 2.1 µm
Q[0.20 µm, 2E-06 L]
Mechanical comparison
Orientation : horizontal
Approved on 22 March 2005
Institute service identifier : 7
CMC ID :
EURAMET-L-BG-00000DJ5-2
Angle ,
Angle instruments
:
-1200 second to 1200 second
Electronic level: error of indicated inclination angle
Absolute expanded uncertainty
:
1.5 arcsecond
Small angle generator
Approved on 02 August 2013
Institute service identifier : 13
CMC ID :
EURAMET-L-BG-00000DJB-2
Angle ,
Angle by circle dividers
:
0 ° to 360 °
Indexing tables: index angle
Absolute expanded uncertainty
:
0.7 arcsecond
Optical polygon and autocollimator
Approved on 02 August 2013
Institute service identifier : 11
CMC ID :
EURAMET-L-BG-00000DJ9-2
Angle ,
Angle instruments
:
0 ° to 360 °
Clinometers
Absolute expanded uncertainty
:
6 arcsecond
Optical dividing head
Approved on 02 August 2013
Institute service identifier : 16
CMC ID :
EURAMET-L-BG-00000DJE-2
Radiations of the mise en pratique ,
Laser radiations
:
474 THz
Frequency stabilized laser: absolute frequency
Absolute expanded uncertainty
:
3.4E1 kHz
Optical beat frequency
Approved on 22 March 2005
Institute service identifier : 1
CMC ID :
EURAMET-L-BG-00000DJ1-1
Linear dimensions ,
End standards
:
0.5 mm to 100 mm
Gauge block: central length L
Absolute expanded uncertainty
:
0.1 µm to 0.15 µm
Q[0.10 µm, 1E-06 L]
Mechanical comparison
Orientation : vertical
Approved on 22 March 2005
Institute service identifier : 5
CMC ID :
EURAMET-L-BG-00000DJ4-2
Angle ,
Angle by circle dividers
:
10 ° to 360 °
Optical polygons: face angle
Absolute expanded uncertainty
:
1 arcsecond
Index table and autocollimator
Number of faces : 3 to 36
Approved on 02 August 2013
Institute service identifier : 10
CMC ID :
EURAMET-L-BG-00000DJ8-2
Angle ,
Angle instruments
:
-1200 second to 1200 second
Bubble level: error of indicated inclination angle
Absolute expanded uncertainty
:
2.5 arcsecond
Small angle generator
Approved on 02 August 2013
Institute service identifier : 14
CMC ID :
EURAMET-L-BG-00000DJC-2
Angle ,
Angle instruments
:
-1200 second to 1200 second
Autocollimator: error of indicated angle
Absolute expanded uncertainty
:
0.5 arcsecond
Small angle generator
Approved on 02 August 2013
Institute service identifier : 12
CMC ID :
EURAMET-L-BG-00000DJA-2
