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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)
Greece, EIM (Hellenic Institute of Metrology)
Fluid flow ,
Volume of liquid
:
20 L to 400 L
Proving tanks
Relative expanded uncertainty
:
3.0E-3 % to 2.0E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C or 15 °C
Approved on 10 November 2011
Institute service identifier : EIM/CAL-VOL-202, EIM/CAL-VOL-203
CMC ID :
EURAMET-M-GR-000005WP-1
Fluid flow ,
Volume of liquid
:
20 L to 400 L
Proving tanks
Relative expanded uncertainty
:
1.0E-2 % to 3.0E-2 %
Volumetric
Liquid : water
Reference temperature : 20 °C or 15 °C
Approved on 10 November 2011
Institute service identifier : EIM/CAL-VOL-302, EIM/CAL-VOL-304
CMC ID :
EURAMET-M-GR-000005WQ-1
Fluid flow ,
Volume of liquid
:
10 mL to 5000 mL
Volumetric flasks
Relative expanded uncertainty
:
0.1 % to 1.5E-2 %
Gravimetric
Liquid : water
Reference temperature : 20 °C
Approved on 10 November 2011
Institute service identifier : EIM/CAL-VOL-101
CMC ID :
EURAMET-M-GR-000005WM-1
Mass ,
Mass
:
1 mg to 100 mg
Mass standard
Absolute expanded uncertainty
:
0.6 µg to 1.5 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 18 November 2010
CMC ID :
EURAMET-M-GR-000005W6-1
Mass ,
Mass
:
0.1 g to 1 g
Mass standard
Absolute expanded uncertainty
:
1.5 µg to 3 µg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known
Approved on 18 November 2010
CMC ID :
EURAMET-M-GR-000005W7-1
Hygrometers ,
Humidity
:
10 %rh to 95 %rh
Relative humidity sensors
Absolute expanded uncertainty
0.009h + 0.2 h humidity in %rh
The uncertainty is expressed in %rh
Comparison
Air temperature : 20 °C to 45 °C
Pressure : 1 atm
Approved on 05 May 2014
Institute service identifier : EIM_TEM_55
CMC ID :
EURAMET-T-GR-00000BMX-1
Radio frequency measurements ,
RF power: effective efficiency in coaxials
:
0.9 to 1
Barretter and modified power sensor
Absolute expanded uncertainty
:
1.2E-2 to 2.0E-2
Substitution in microcalorimeter
Frequency : 50 MHz to 1GHz
Connector type : 3.5 mm
Impedance : 50 Ω
Power : 1 mW to 10 mW
Approved on 06 August 2013
Institute service identifier : 3.1
CMC ID :
EURAMET-EM-GR-00000ECW-1
Fluid flow ,
Volume of liquid
:
400 L to 1000 L
Proving tanks
Relative expanded uncertainty
:
3.0E-2 %
Volumetric
Liquid : water
Reference temperature : 20 °C or 15 °C
Approved on 10 November 2011
Institute service identifier : EIM/CAL-VOL-304
CMC ID :
EURAMET-M-GR-000005WR-1
Hygrometers ,
Humidity
:
-20 °C to 40 °C
Dew-point hygrometer
Absolute expanded uncertainty
:
5.0E-2 °C
Measurement against humidity generator
Continuous gas flow : 1 atm
Approved on 03 November 2009
Institute service identifier : EIM_TEM_52
CMC ID :
EURAMET-T-GR-00000BLI-1
Hygrometers ,
Humidity
:
-30 °C to -20 °C
Dew-point hygrometer
Absolute expanded uncertainty
:
0.1 °C
Measurement against humidity generator
Continuous gas flow : 1 atm
Approved on 03 November 2009
Institute service identifier : EIM_TEM_51
CMC ID :
EURAMET-T-GR-00000BLH-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
160 °C to 250 °C
PRT
Absolute expanded uncertainty
:
2.0E-2 °C
Comparison
Stirred liquid bath : oil
Approved on 03 November 2009
Institute service identifier : EIM_TEM_22
CMC ID :
EURAMET-T-GR-00000BLN-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
1084.62 °C to 1200 °C
Temperature sensor with display unit
Absolute expanded uncertainty
:
1.5 °C
Comparison
Furnace : ceramic block
Approved on 03 November 2009
Institute service identifier : EIM_TEM_50
CMC ID :
EURAMET-T-GR-00000BMG-1
Hygrometers ,
Humidity
:
10 %rh to 95 %rh
Relative humidity sensors
Absolute expanded uncertainty
0.017h + 0.4 h humidity in %rh
The uncertainty is expressed in %rh
Comparison
Air temperature : 10 °C to 20 °C
Pressure : 1 atm
Approved on 05 May 2014
Institute service identifier : EIM_TEM_54
CMC ID :
EURAMET-T-GR-00000BMW-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
660.323 °C
Noble-metal alloys thermocouple (type S, R)
Absolute expanded uncertainty
:
0.3 °C
Fixed points
Heat pipe furnace
Approved on 03 November 2009
Institute service identifier : EIM_TEM_25
CMC ID :
EURAMET-T-GR-00000BLQ-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
231.928 °C
Noble-metal alloys thermocouple (type S, R)
Absolute expanded uncertainty
:
0.3 °C
Fixed points
Furnace
Approved on 03 November 2009
Institute service identifier : EIM_TEM_23
CMC ID :
EURAMET-T-GR-00000BLO-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
1084.62 °C
Pure-metal thermocouple (type Pt/Pd)
Absolute expanded uncertainty
:
0.2 °C
Fixed points
Heat pipe furnace
Approved on 03 November 2009
Institute service identifier : EIM_TEM_40
CMC ID :
EURAMET-T-GR-00000BM5-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C
Long-stem SPRT
Absolute expanded uncertainty
:
0.3 mK
Calibration at water triple point
Temperature controlled bath
Approved on 20 January 2010
Institute service identifier : EIM_TEM_4
CMC ID :
EURAMET-T-GR-00000BMH-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
231.928 °C
Pure-metal thermocouple (type Pt/Pd)
Absolute expanded uncertainty
:
0.25 °C
Fixed points
Furnace
Approved on 03 November 2009
Institute service identifier : EIM_TEM_36
CMC ID :
EURAMET-T-GR-00000BM1-1
Items for defining ITS-90 ,
Temperature
:
419.527 °C
Long-stem SPRT
Absolute expanded uncertainty
:
1.9E-3 °C
Zn freezing point
3-zone furnace
Approved on 20 May 2010
Institute service identifier : EIM_TEM_8
CMC ID :
EURAMET-T-GR-00000BMM-1
Items for defining ITS-90 ,
Temperature
:
660.323 °C to 961.78 °C
Long-stem HTSPRT
Absolute expanded uncertainty
:
2.0E-2 °C
Fixed points: Al to Ag
Approved on 17 January 2013
Institute service identifier : EIM_TEM_18
CMC ID :
EURAMET-T-GR-00000BMV-1
