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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)
Finland, FGI (Finnish Geospatial Research Institute)
Gravity , Gravitational acceleration : 9.75 m/s2 to 9.85 m/s2
On (stable) site
Absolute expanded uncertainty : 8.0E-8 m/s2
Free fall experiment
Ambient temperature : 21 °C ± 8 °C
Approved on 03 January 2007
CMC ID : EURAMET-M-FI-000009FE-1
 
Finland, MIKES (VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus)
Measurement microphones , Pressure sensitivity level
Measurement microphone type LS1
Absolute expanded uncertainty : 6.0E-2 dB
IEC 61094-2:1992
Frequency : 31.5 Hz
Approved on 09 November 2006
CMC ID : EURAMET-AUV-FI-000006HG-1
 
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 10 °C to 85 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty : 7.0E-3 °C
Comparison
Bath : graduation 0.01 °C, reading 10 mm to 25 mm above liquid surface
Approved on 03 November 2009
CMC ID : EURAMET-T-FI-0000096V-1
 
Items for defining ITS-90 , Temperature : 419.527 °C
Long-stem SPRT
Absolute expanded uncertainty : 2.0E-3 °C
Fixed point
Temperature-controlled furnace : 419 °C
Standard: Zinc cell
Approved on 18 May 2004
CMC ID : EURAMET-T-FI-0000096K-1
 
Items for disseminating ITS-90 and PLTS 2000 , Temperature : -80 °C to 10 °C
Industrial Platinum Resistance Thermometer
Absolute expanded uncertainty : 7.0E-3 °C
Comparison
Bath
Approved on 03 November 2009
CMC ID : EURAMET-T-FI-0000096O-1
 
Mass , Mass : 50 kg to 2000 kg
Mass standard
Absolute expanded uncertainty : 1.0E2 mg to 3.0E3 mg
Comparison in air
Uncertainty scales with measurand level
Approved on 11 June 2017
CMC ID : EURAMET-M-FI-000009FF-1
 
Torque , Torque : 4 N m to 20 N m
Torque measuring device
Relative expanded uncertainty : 8.0E-4
Mode : clockwise, anticlockwise
Approved on 11 October 2005
CMC ID : EURAMET-M-FI-000009FP-1
 
Pressure , Absolute pressure : 1.50E4 Pa to 3.50E5 Pa
Absolute pressure gauge
Absolute expanded uncertainty
1 + 2.5E-05p

p pressure in Pa

The uncertainty is expressed in Pa

Gas medium
Uncertainty values range from 1.4 Pa to 9.8 Pa
Approved on 11 October 2005
CMC ID : EURAMET-M-FI-000009F3-1
 
Pressure , Gauge pressure : 5.00E5 Pa to 5.00E7 Pa
Pressure balance
Absolute expanded uncertainty
12 + 2.5E-05p

p pressure in Pa

The uncertainty is expressed in Pa

Oil medium
Uncertainty values range from 2.4E+01 Pa to 1.3E+03 Pa
Approved on 11 October 2005
CMC ID : EURAMET-M-FI-000009FA-1
 
Pressure , Gauge pressure : 2.00E8 Pa to 5.00E8 Pa
Pressure balance
Absolute expanded uncertainty
1.2E-04p

p pressure in Pa

The uncertainty is expressed in Pa

Oil medium
Uncertainty values range from 2.4E+04 Pa to 6.0E+04 Pa
Approved on 11 October 2005
CMC ID : EURAMET-M-FI-000009FD-1
 
Radio frequency measurements , Scattering parameters: transmission coefficient (Sij) in coaxials, magnitude : 0 dB to 80 dB
Passive device
Absolute expanded uncertainty : 1.6E-2 dB to 0.18 dB
{"row_1":{"col_1":"","col_2":"0.01 GHz","col_3":"0.100 GHz","col_4":"1 GHz","col_5":"6 GHz","col_6":"10.000 GHz","col_7":"14.000 GHz","col_8":"18.000 GHz"},"row_2":{"col_1":"0 dB","col_2":"0.016","col_3":"0.016","col_4":"0.025","col_5":"0.055","col_6":"0.057","col_7":"0.057","col_8":"0.057"},"row_3":{"col_1":"10 dB","col_2":"0.026","col_3":"0.026","col_4":"0.032","col_5":"0.059","col_6":"0.060","col_7":"0.060","col_8":"0.060"},"row_4":{"col_1":"20 dB","col_2":"0.043","col_3":"0.043","col_4":"0.047","col_5":"0.068","col_6":"0.070","col_7":"0.070","col_8":"0.070"},"row_5":{"col_1":"30 dB","col_2":"0.062","col_3":"0.062","col_4":"0.065","col_5":"0.082","col_6":"0.083","col_7":"0.083","col_8":"0.083"},"row_6":{"col_1":"40 dB","col_2":"0.082","col_3":"0.082","col_4":"0.084","col_5":"0.097","col_6":"0.099","col_7":"0.099","col_8":"0.099"},"row_7":{"col_1":"50 dB","col_2":"0.101","col_3":"0.101","col_4":"0.103","col_5":"0.114","col_6":"0.121","col_7":"0.121","col_8":"0.121"},"row_8":{"col_1":"60 dB","col_2":"0.121","col_3":"0.121","col_4":"0.123","col_5":"0.132","col_6":"0.181","col_7":"0.181","col_8":"0.181"},"row_9":{"col_1":"70 dB","col_2":"0.141","col_3":"0.141","col_4":"0.143","col_5":"0.151","col_6":"-","col_7":"-","col_8":"-"},"row_10":{"col_1":"80 dB","col_2":"0.165","col_3":"0.165","col_4":"0.166","col_5":"0.173","col_6":"-","col_7":"-","col_8":"-"}}
The expanded uncertainty given in this table are expressed in dB
Vector network analyser
Frequency : 10 MHz to 18 GHz
Connector : Type N
S11 and S22 : < 0.2
At 10 MHz, S11 and S22 < 0.1
Approved on 06 August 2013
Institute service identifier : MIKES/204
CMC ID : EURAMET-EM-FI-00000E6G-1
 
AC power , AC power and energy: three phase, active energy : 0 kWh to 0.35 kWh
Active energy meter
Relative expanded uncertainty : 1.2E2 µWh (VAh)-1
Comparison with standard
Voltage : 50 V to 350 V
Current : 0.005 A to 12 A
Power factor : 1 to 0, inductive or capacitive
Frequency : 45 Hz to 65 Hz
Measurement time : 1 s to 100 s
Voltage and current ranges are per phase
Approved on 06 August 2013
Institute service identifier : MIKES/189c
CMC ID : EURAMET-EM-FI-00000E7R-1
 
AC power , AC power and energy: three phase, reactive power : 0 kvar to 12.6 kvar
Power meter
Relative expanded uncertainty : 2.5E2 µvar (VA)-1
Comparison with standard
Voltage : 50 V to 350 V
Current : 0.005 A to 12 A
Power factor : 1 to 0, inductive or capacitive
Frequency : 45 Hz to 65 Hz
Voltage and current ranges are per phase
Approved on 06 August 2013
Institute service identifier : MIKES/190b
CMC ID : EURAMET-EM-FI-00000E7Q-1
 
High voltage and current , High voltage impedance: capacitance dissipation factor : 0 to 1.00E-3
Compressed gas capacitor, capacitor for high voltage
Absolute expanded uncertainty : 2.0E-5
Current comparator bridge or sampling of current and voltage
Capacitance : 10 µF to 100 µF
Frequency : 45 Hz to 60 Hz
Current : > 30 µA
Approved on 07 February 2019
Institute service identifier : MIKES/HV46
CMC ID : EURAMET-EM-FI-00000E6J-1
 
High voltage and current , High voltage impedance: loss angle for inductance : 0 mrad to 350 mrad
High voltage reactor
Absolute expanded uncertainty : 0.2 mrad
Simultaneous sampling of current and voltage
Frequency : 45 Hz to 60 Hz
Current : 50 mA to 300 A
Voltage : 10 mV to 1000 V
Approved on 07 February 2019
Institute service identifier : MIKES/HV13
CMC ID : EURAMET-EM-FI-00000E6L-1
 
DC current (up to 100 A) , DC current sources: intermediate values : 1.00E-4 A to 20 A
Multifunction calibrator
Relative expanded uncertainty : 5 µA/A to 2.0E1 µA/A
{"row_1":{"col_1":"","col_2":"Relative expanded uncertainty","col_3":"Method of measurement"},"row_2":{"col_1":"0.1 mA to 100 mA","col_2":"5","col_3":"Voltage across resistance standard"},"row_3":{"col_1":"0.1 A to 2 A","col_2":"5 to 10","col_3":"Voltage across resistance standard"},"row_4":{"col_1":"2 A to 20 A","col_2":"10 to 20","col_3":"Voltage across resistance standard"},"row_5":{"col_1":"0.1 mA to 1 A","col_2":"10","col_3":"Comparison with digital multimeter"}}
The expanded uncertainty given in this table are expressed in µA/A
Voltage across resistance standard, comparison with digital multimeter
Approved on 06 August 2013
Institute service identifier : MIKES/68n
CMC ID : EURAMET-EM-FI-00000E83-1
 
DC current (up to 100 A) , DC current meters: high values : 10 A to 100 A
Current clamp
Relative expanded uncertainty : 0.5 %
Multiturn coil
Approved on 06 August 2013
Institute service identifier : MIKES/77
CMC ID : EURAMET-EM-FI-00000E8F-1
 
Frequency , Frequency : 1 MHz
Local frequency standard
Relative expanded uncertainty : 3.0E-12 Hz/Hz
Phase time measurement
Averaging time : 1000 s
Approved on 08 June 2007
Institute service identifier : MIKES/2
CMC ID : EURAMET-TF-FI-000005BC-1
 
Frequency , Frequency : 5 MHz
Local frequency standard
Relative expanded uncertainty : 3.0E-12 Hz/Hz
Phase comparator
Averaging time : 1 s
Approved on 08 June 2007
Institute service identifier : MIKES/3
CMC ID : EURAMET-TF-FI-000005BD-1
 
Frequency , Frequency : 10 Hz to 5.00E9 Hz
General frequency source
Absolute expanded uncertainty
(1E-11)f + 1E-05

f frequency in Hz

The uncertainty is expressed in Hz

Counter
Averaging time : 100 s
Approved on 08 June 2007
Institute service identifier : MIKES/6
CMC ID : EURAMET-TF-FI-000005B6-1
 

Select Metrology Area

General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.