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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)
Cuba, INIMET (Instituto Nacional de Investigaciones en Metrologia)
DC resistance ,
DC resistance standards and sources: intermediate values
:
100 Ω
Fixed resistor
Relative expanded uncertainty
:
0.24 mΩ/Ω
Direct comparison
Oil bath temperature : (23 ± 0.05) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-6
CMC ID :
COOMET-EM-CU-00000Q36-1
DC resistance ,
DC resistance standards and sources: lower values
:
0.01 Ω
Resistance box
Relative expanded uncertainty
:
2.5E2 µΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-14
CMC ID :
COOMET-EM-CU-00000Q3E-1
Fluid flow ,
Liquid volume flow
:
100 L/min to 500 L/min
Volumetric Flow meter
Relative expanded uncertainty
:
0.2 %
Volume comparison (pulsed, electrical, digital and optical outputs)
Fluid : gas-oil, kerosene, gasoline, heavy oil, diesel
Temperature : ambient
Pressure : up to 0.8 MPa
Pipe diameter : 50 mm
Approved on 08 November 2005
Institute service identifier : CU1
CMC ID :
COOMET-M-CU-00000Q3L-1
DC resistance ,
DC resistance standards and sources: lower values
:
0.1 Ω
Resistance box
Relative expanded uncertainty
:
2.0E1 µΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-15
CMC ID :
COOMET-EM-CU-00000Q3F-1
Fluid flow ,
Gas volume flow
:
0.05 m3/h to 5 m3/h
Gas-flow meter
Relative expanded uncertainty
:
0.3 %
Sonic nozzles, turbine, laminar, P.D, rotameters
Gas : dry air
Temperature : ambient
Pressure : up to 0.8 MPa
Approved on 08 November 2005
Institute service identifier : CU10
CMC ID :
COOMET-M-CU-00000Q3U-1
Fluid flow ,
Gas volume flow
:
5 m3/h to 50 m3/h
Gas-flow meter
Relative expanded uncertainty
:
0.2 %
Sonic nozzles, turbine, laminar, P.D, rotameters
Gas : dry air
Temperature : ambient
Pressure : up to 0.8 MPa
Approved on 08 November 2005
Institute service identifier : CU10
CMC ID :
COOMET-M-CU-00000Q3V-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
0 °C
Mercury-in-glass, partial immersion, 0.2 °C graduation
Absolute expanded uncertainty
:
7.0E-2 °C
Ice melting point
Thermostat : ice bath
Approved on 06 September 2013
Institute service identifier : INIMET/8
CMC ID :
COOMET-T-CU-00000Q44-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
0 °C
Mercury-in-glass, total immersion, 0.1 °C graduation
Absolute expanded uncertainty
:
5.0E-2 °C
Ice melting point
Thermostat : ice bath
Approved on 06 September 2013
Institute service identifier : INIMET/5
CMC ID :
COOMET-T-CU-00000Q41-1
Fluid flow ,
Static volume
:
0.02 mL to 5 mL
Micropipettes
Relative expanded uncertainty
:
1 % to 9.0E-2 %
Gravimetric
Liquid : water
Temperature : (20 ± 2)°C
Pressure : atmospheric
Approved on 08 November 2005
Institute service identifier : CU6
CMC ID :
COOMET-M-CU-00000Q3Q-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
10 Ω
Fixed resistor
Relative expanded uncertainty
:
2.1E1 µΩ/Ω
Direct comparison
Oil bath temperature : (23 ± 0.05) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-5
CMC ID :
COOMET-EM-CU-00000Q35-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
10 kΩ
Fixed resistor
Relative expanded uncertainty
:
2.7 mΩ/Ω
Direct comparison
Oil bath temperature : (23 ± 0.05) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-8
CMC ID :
COOMET-EM-CU-00000Q38-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
1 Ω
Fixed resistor
Relative expanded uncertainty
:
2.1 µΩ/Ω
Direct comparison
Oil bath temperature : (23 ± 0.05) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-4
CMC ID :
COOMET-EM-CU-00000Q34-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
100 kΩ
Resistance box
Relative expanded uncertainty
:
1.5 mΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-21
CMC ID :
COOMET-EM-CU-00000Q3K-1
Fluid flow ,
Static volume
:
10 m3 to 5.00E4 m3
Storage tank (cylindrical standing)
Relative expanded uncertainty
:
0.1 % to 5.0E-2 %
Geometric and volumetric
Liquid : any products at ambient temperature
Reference temperature : 15 °C or 20 °C
Pressure : atmospheric
Approved on 08 November 2005
Institute service identifier : CU8
CMC ID :
COOMET-M-CU-00000Q3S-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
1 Ω
Resistance box
Relative expanded uncertainty
:
5 µΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-16
CMC ID :
COOMET-EM-CU-00000Q3G-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C
Water triple point cell
Absolute expanded uncertainty
:
0.15 mK
Direct comparison
Thermostat : ice bath
Approved on 06 September 2013
Institute service identifier : INIMET/1
CMC ID :
COOMET-T-CU-00000Q3X-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
1 kΩ
Fixed resistor
Relative expanded uncertainty
:
2.6 mΩ/Ω
Direct comparison
Oil bath temperature : (23 ± 0.05) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-7
CMC ID :
COOMET-EM-CU-00000Q37-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
1 MΩ
Fixed resistor
Relative expanded uncertainty
:
1.2E1 Ω/Ω
Direct comparison
Oil bath temperature : (25 ± 0.5) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-10
CMC ID :
COOMET-EM-CU-00000Q3A-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
1 kΩ
Resistance box
Relative expanded uncertainty
:
1.5E1 mΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-19
CMC ID :
COOMET-EM-CU-00000Q3J-1
DC resistance ,
DC resistance standards and sources: intermediate values
:
100 Ω
Resistance box
Relative expanded uncertainty
:
1.2 mΩ/Ω
Compensation
Room temperature : (23 ± 2) °C
Approved on 09 March 2015
Institute service identifier : INIMET/209-18
CMC ID :
COOMET-EM-CU-00000Q3I-1
