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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)
Norway, JV (Justervesenet)
Mass ,
Mass
:
50 kg to 100 kg
Mass standard
Absolute expanded uncertainty
:
2.2E1 mg to 1.7E2 mg
Comparison in air
Uncertainty scales with measurand level The volume of the mass standards is known.
Approved on 02 December 2003
CMC ID :
EURAMET-M-NO-00000503-1
AC voltage (up to the MHz range) ,
AC voltage: AC/DC transfer difference at medium voltage
:
0.5 V to 5 V
Thermal converter, AC-DC transfer standard
Relative expanded uncertainty
:
5 µV/V to 4.0E1 µV/V
Uncertainty table
{"row_1":{"col_1":"","col_2":"10 Hz to 30 Hz","col_3":"31 Hz to 300 Hz","col_4":"301 Hz to 10 kHz","col_5":"11 kHz to 50 kHz","col_6":"51 kHz to 100 kHz","col_7":"101 kHz to 200 kHz","col_8":"201 kHz to 500 kHz","col_9":"501 kHz to 700 kHz","col_10":"701 kHz to 1 MHz"},"row_2":{"col_1":"1 mV to 3 mV","col_2":"160","col_3":"150","col_4":"150","col_5":"150","col_6":"150","col_7":"150","col_8":"200","col_9":"250","col_10":"350"},"row_3":{"col_1":"3 mV to 5 mV","col_2":"120","col_3":"100","col_4":"100","col_5":"80","col_6":"80","col_7":"90","col_8":"150","col_9":"220","col_10":"300"},"row_4":{"col_1":"5 mV to 10 mV","col_2":"100","col_3":"90","col_4":"70","col_5":"40","col_6":"50","col_7":"70","col_8":"130","col_9":"190","col_10":"250"},"row_5":{"col_1":"10 mV to 25 mV","col_2":"50","col_3":"40","col_4":"30","col_5":"35","col_6":"40","col_7":"50","col_8":"90","col_9":"140","col_10":"200"},"row_6":{"col_1":"25 mV to 50 mV","col_2":"40","col_3":"30","col_4":"20","col_5":"25","col_6":"30","col_7":"35","col_8":"70","col_9":"100","col_10":"150"},"row_7":{"col_1":"50 mV to 100 mV","col_2":"25","col_3":"20","col_4":"15","col_5":"20","col_6":"25","col_7":"30","col_8":"60","col_9":"70","col_10":"100"},"row_8":{"col_1":"100 mV to 200 mV","col_2":"20","col_3":"17","col_4":"13","col_5":"15","col_6":"18","col_7":"25","col_8":"50","col_9":"65","col_10":"75"},"row_9":{"col_1":"200 mV to 500 mV","col_2":"20","col_3":"15","col_4":"9","col_5":"10","col_6":"12","col_7":"17","col_8":"25","col_9":"30","col_10":"44"},"row_10":{"col_1":"500 mV to 1 V","col_2":"20","col_3":"15","col_4":"7","col_5":"10","col_6":"12","col_7":"17","col_8":"25","col_9":"30","col_10":"40"},"row_11":{"col_1":"1.1 V to 3 V","col_2":"15","col_3":"10","col_4":"5","col_5":"7","col_6":"10","col_7":"15","col_8":"20","col_9":"25","col_10":"35"},"row_12":{"col_1":"3.1 V to 5 V","col_2":"20","col_3":"12","col_4":"7","col_5":"10","col_6":"12","col_7":"17","col_8":"25","col_9":"30","col_10":"40"},"row_13":{"col_1":"5.1 V to 10 V","col_2":"25","col_3":"20","col_4":"10","col_5":"12","col_6":"15","col_7":"20","col_8":"30","col_9":"35","col_10":"45"},"row_14":{"col_1":"10.1 V to 20 V","col_2":"27","col_3":"22","col_4":"15","col_5":"17","col_6":"22","col_7":"25","col_8":"30","col_9":"35","col_10":"45"},"row_15":{"col_1":"20.1 V to 30 V","col_2":"30","col_3":"25","col_4":"20","col_5":"25","col_6":"27","col_7":"30","col_8":"35","col_9":"40","col_10":"50"},"row_16":{"col_1":"30.1 V to 60 V","col_2":"35","col_3":"27","col_4":"25","col_5":"30","col_6":"30","col_7":"30","col_8":"35","col_9":"40","col_10":"50"},"row_17":{"col_1":"60.1 V to 100 V","col_2":"37","col_3":"30","col_4":"30","col_5":"35","col_6":"40","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_18":{"col_1":"100.1 V to 200 V","col_2":"40","col_3":"35","col_4":"33","col_5":"37","col_6":"45","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_19":{"col_1":"200.1 V to 300 V","col_2":"45","col_3":"37","col_4":"35","col_5":"40","col_6":"50","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_20":{"col_1":"300.1 V to 600 V","col_2":"50","col_3":"40","col_4":"37","col_5":"50","col_6":"60","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_21":{"col_1":"600.1 V to 1000 V","col_2":"55","col_3":"45","col_4":"40","col_5":"60","col_6":"80","col_7":"-","col_8":"-","col_9":"-","col_10":"-"}}
Comparison
Frequency : 10 Hz to 1 MHz
Approved on 06 August 2013
Institute service identifier : JV/228
CMC ID :
EURAMET-EM-NO-000006UM-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
40 °C to 200 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty
:
2.0E-2 °C
Comparison in liquid calibration bath
Stirred liquid bath with LIG adapter : liquid is silicon oil
Approved on 03 November 2009
Institute service identifier : JV/38
CMC ID :
EURAMET-T-NO-0000075W-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
-40 °C to 40 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty
:
2.0E-2 °C
Comparison in liquid calibration bath
Stirred liquid bath with LIG adapter : liquid is alcohol
Approved on 03 November 2009
Institute service identifier : JV/37
CMC ID :
EURAMET-T-NO-0000075V-1
Items for defining ITS-90 ,
Temperature
:
-189.3442 °C
Long stem SPRT
Absolute expanded uncertainty
:
0.85 mK
Fixed points, Argon
Ambient temperature : (22 ± 2) °C
Approved on 20 May 2010
Institute service identifier : JV/10
CMC ID :
EURAMET-T-NO-00000760-1
Hygrometers ,
Humidity
:
-50 °C to 0 °C
Dew-point hygrometer
Absolute expanded uncertainty
:
0.3 °C
Measurement against humidity generator
Ambient temperature : 21 °C
Approved on 03 November 2009
Institute service identifier : JV/40
CMC ID :
EURAMET-T-NO-0000075T-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
419.527 °C
Noble metal thermocouple (type S, R)
Absolute expanded uncertainty
:
0.2 °C
Fixed point cell
Heat pipe furnace
Approved on 19 March 2012
Institute service identifier : JV/32
CMC ID :
EURAMET-T-NO-0000076A-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
660.323 °C
Noble metal thermocouple (type S, R)
Absolute expanded uncertainty
:
0.2 °C
Fixed point cell
Heat pipe furnace
Approved on 19 March 2012
Institute service identifier : JV/31
CMC ID :
EURAMET-T-NO-00000769-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
961.78 °C
Noble metal thermocouple (type S, R)
Absolute expanded uncertainty
:
0.3 °C
Fixed point cell
Heat pipe furnace
Approved on 19 March 2012
Institute service identifier : JV/30
CMC ID :
EURAMET-T-NO-00000768-1
Properties of detectors ,
Responsivity, spectral, power
Broadband detector
Relative expanded uncertainty
:
2.4 %
Double grating monochromator, cut -in filters
Wavelength range : 930 nm to 1600 nm
Bandwith : 4 nm
Power : 1 µW to 6 µW
Approved on 29 September 2001
CMC ID :
EURAMET-PR-NO-000004YD-1
AC voltage (up to the MHz range) ,
AC voltage up to 1000 V: sources
:
1.00E-3 V to 1000 V
Source
Relative expanded uncertainty
:
3.0E1 µV/V to 8.0E3 µV/V
Uncertainty table
{"row_1":{"col_1":"","col_2":"10 Hz to 30 Hz","col_3":"31 Hz to 300 Hz","col_4":"301 Hz to 10 kHz","col_5":"11 kHz to 50 kHz","col_6":"51 kHz to 100 kHz","col_7":"101 kHz to 200 kHz","col_8":"201 kHz to 500 kHz","col_9":"501 kHz to 700 kHz","col_10":"701 kHz to 1 MHz"},"row_2":{"col_1":"1 mV to 2 mV","col_2":"2100","col_3":"2000","col_4":"2000","col_5":"2200","col_6":"2400","col_7":"3000","col_8":"3600","col_9":"5500","col_10":"8000"},"row_3":{"col_1":"10 mV to 20 mV","col_2":"310","col_3":"300","col_4":"300","col_5":"400","col_6":"500","col_7":"700","col_8":"900","col_9":"1800","col_10":"3100"},"row_4":{"col_1":"100 mV to 200 mV","col_2":"100","col_3":"80","col_4":"55","col_5":"70","col_6":"110","col_7":"150","col_8":"320","col_9":"850","col_10":"1500"},"row_5":{"col_1":"500 mV to 3 V","col_2":"90","col_3":"70","col_4":"40","col_5":"45","col_6":"50","col_7":"70","col_8":"100","col_9":"200","col_10":"700"},"row_6":{"col_1":"1 V / 2 V","col_2":"85","col_3":"40","col_4":"30","col_5":"30","col_6":"35","col_7":"50","col_8":"70","col_9":"140","col_10":"300"},"row_7":{"col_1":"3.1 V to 20 V","col_2":"100","col_3":"80","col_4":"75","col_5":"75","col_6":"80","col_7":"95","col_8":"110","col_9":"250","col_10":"600"},"row_8":{"col_1":"10 V / 20 V","col_2":"70","col_3":"50","col_4":"45","col_5":"45","col_6":"50","col_7":"70","col_8":"90","col_9":"130","col_10":"320"},"row_9":{"col_1":"20.1 to 200 V","col_2":"100","col_3":"90","col_4":"85","col_5":"90","col_6":"100","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_10":{"col_1":"100 V / 200 V","col_2":"75","col_3":"60","col_4":"55","col_5":"65","col_6":"70","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_11":{"col_1":"200.1 V to 1000 V","col_2":"120","col_3":"105","col_4":"90","col_5":"200","col_6":"300","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_12":{"col_1":"700 V","col_2":"85","col_3":"70","col_4":"65","col_5":"110","col_6":"150","col_7":"-","col_8":"-","col_9":"-","col_10":"-"},"row_13":{"col_1":"1000 V","col_2":"100","col_3":"90","col_4":"85","col_5":"150","col_6":"250","col_7":"-","col_8":"-","col_9":"-","col_10":"-"}}
AC/DC transfer standard, ACV-meter
Frequency : 10 Hz to 1 MHz
Approved on 06 August 2013
Institute service identifier : JV/230
CMC ID :
EURAMET-EM-NO-000006UO-1
DC resistance ,
DC resistance standards and sources: multiple ranges
:
1 Ω to 1.00E8 Ω
Multifunction calibrator
Relative expanded uncertainty
:
4 µΩ/Ω to 2.4E1 µΩ/Ω
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"1 Ω to 1.9 Ω","col_2":"9"},"row_3":{"col_1":"10 Ω to 19E+03 Ω","col_2":"4"},"row_4":{"col_1":"1E+05 Ω to 1.9E+05 Ω","col_2":"7"},"row_5":{"col_1":"1E+06 Ω to 1.9E+06 Ω","col_2":"11"},"row_6":{"col_1":"1E+07 Ω","col_2":"12"},"row_7":{"col_1":"1.9E+07 Ω","col_2":"15"},"row_8":{"col_1":"1E+08 Ω","col_2":"24"}}
Automatic DCC bridge / automatic high resistance ratio bridge
Power : 1 mW to 10 mW
Approved on 06 August 2013
Institute service identifier : JV/194a
CMC ID :
EURAMET-EM-NO-000006V3-1
DC voltage (up to 1100 V) ,
DC voltage sources: low values
:
0.1 V to 10 V
Multifunction calibrator
Relative expanded uncertainty
:
0.8 µV/V to 1.2E1 µV/V
Uncertainty table
{"row_1":{"col_1":"","col_2":"Expanded uncertainty"},"row_2":{"col_1":"0.1 V","col_2":"9"},"row_3":{"col_1":"1 V","col_2":"1"},"row_4":{"col_1":"10 V","col_2":"0.8"},"row_5":{"col_1":"0.1 V to 10 V","col_2":"2 + 1/<I>U</I>"}}
Comparison with standard using a voltage divider
Approved on 06 August 2013
Institute service identifier : JV/2a
CMC ID :
EURAMET-EM-NO-000006UU-1
DC current (up to 100 A) ,
DC current sources: low values
:
1.00E-4 A
Multifunction calibrator
Relative expanded uncertainty
:
9 µA/A
Voltage measurement across a shunt
Approved on 06 August 2013
Institute service identifier : JV/210
CMC ID :
EURAMET-EM-NO-000006V5-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
200 °C to 550 °C
Digital thermometer: IPRT and SPRT
Absolute expanded uncertainty
:
1.8E1 mK to 3.8E1 mK
Comparison in liquid calibration bath
Stirred liquid bath : Liquid: melted salt
Approved on 10 November 2015
Institute service identifier : JV/39
CMC ID :
EURAMET-T-NO-0000075J-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
550 °C to 660 °C
Digital thermometer: IPRT and SPRT
Absolute expanded uncertainty
:
3.8E1 mK to 4.5E1 mK
Comparison in heat pipe
Isothermal enclosure : Heat pipe furnace
Approved on 10 November 2015
Institute service identifier : JV/42
CMC ID :
EURAMET-T-NO-0000075K-1
Hygrometers ,
Humidity
:
10 %rh to 95 %rh
Relative humidity sensors
Absolute expanded uncertainty
:
0.4 %rh to 1.2 %rh
Calibration by comparison
Temperature : -10 °C to 70 °C
Approved on 25 February 2020
CMC ID :
EURAMET-T-NO-00000K8E-1
Linear dimensions ,
Length instruments
:
0.3 m to 50 m
EDM, "Electronic (Laser) Distance Measuring" instrument
Absolute expanded uncertainty
:
0.62 mm to 0.8 mm
Q[0.62 mm, 10E-06 L]
Comparison to master length interferometer
Reference to the back plane of instrument.
Approved on 17 July 2014
Institute service identifier : JV-NL-LEN-018
CMC ID :
EURAMET-L-NO-00000AO6-2
Radiations of the mise en pratique ,
Laser radiations
:
633 nm
Frequency stabilized laser: vacuum wavelength
Absolute expanded uncertainty
:
4.0E-2 fm
Optical beat frequency, bandwidth 1 GHz
Approved on 21 October 2001
Institute service identifier : JV-NL-LEN-002
CMC ID :
EURAMET-L-NO-00000ANZ-2
Radiations of the mise en pratique ,
Laser radiations
:
633 nm
Frequency stabilized laser: vacuum wavelength
Relative expanded uncertainty
:
5.0E-11
Optical beat frequency, bandwidth 1 GHz
Approved on 21 October 2001
Institute service identifier : JV-NL-LEN-002
CMC ID :
EURAMET-L-NO-00000AOA-2
