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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)
Czechia, VUGTK/RIGTC (Research Institute of Geodesy, Topography and Cartography)
Linear dimensions ,
Line standards
:
0.01 m to 3 m
Surveyor's levelling rods: line spacing, L
Absolute expanded uncertainty
:
1.0E1 µm to 1.8E1 µm
Q[10 µm, 5.1E-06 L]
Bench and laser-interferometer
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/29
CMC ID :
EURAMET-L-CZ-00000AKQ-2
Linear dimensions ,
Line standards
:
1.00E-3 m to 30 m
Surveyor invar tapes and wires: line spacing, L
Absolute expanded uncertainty
:
6 µm to 1.1E2 µm
Q[6.0 µm, 3.5E-06 L]
30 m bench and laser-interferometer
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/27
CMC ID :
EURAMET-L-CZ-00000AKO-2
Linear dimensions ,
Length instruments
:
0 km to 10 km
EDM instruments: error of indicated distance, L
Absolute expanded uncertainty
:
1.5 mm to 4.3E1 mm
Q[1.5 mm, 4.3E-06 L]
Comparison with geodetic length baseline
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/13
CMC ID :
EURAMET-L-CZ-00000AJJ-2
Angle ,
Angle instruments
:
0 ° to 360 °
Theodolites, error of indicated angle
Absolute expanded uncertainty
:
3.4 "
Asimuthal baseline
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/43
CMC ID :
EURAMET-L-CZ-00000AJK-1
Linear dimensions ,
Line standards
:
1.00E-3 m to 1000 m
Surveyor tapes and wires: line spacing, L
Absolute expanded uncertainty
:
6 µm to 8.2E3 µm
Q[6.0 µm, 8.2E-06 L]
30 m bench and laser-interferometer
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/28
CMC ID :
EURAMET-L-CZ-00000AKP-2
Various dimensional ,
Long distance
:
0 km to 10 km
Geodetic baseline, interval distances, L
Absolute expanded uncertainty
:
0.85 mm to 9.8E1 mm
Q[0.85 mm, 9.8E-06 L]
Laser-interferometer, invar wires, EDM
Approved on 22 March 2005
Institute service identifier : VUGTK/RIGTC/63
CMC ID :
EURAMET-L-CZ-00000AJP-2
Gravity ,
Gravity acceleration
:
9.8093 m/s2 to 9.80934 m/s2
Absolute gravimeter
Absolute expanded uncertainty
:
6.0E-8 m/s2
Comparison against a gravity value of a reference station
Ambient temperature : from 15 ºC to 30 ºC
Approved on 15 September 2020
Institute service identifier : VUGTK/PEC02
CMC ID :
EURAMET-M-CZ-00000LPL-1
Gravity ,
Gravity acceleration
:
9.75 m/s2 to 9.85 m/s2
Gravity on (stable) site
Absolute expanded uncertainty
:
4.4E-8 m/s2
Absolute measurement
Ambient temperature : from 15 ºC to 30 ºC
Approved on 15 September 2020
Institute service identifier : VUGTK/PEC01
CMC ID :
EURAMET-M-CZ-00000LPK-1
