Final reports: Key comparisons - M

Comparison of absolute pressure in the range from 0.0003 Pa to 1 Pa

COOMET.M.P-K15

Comparison of absolute pressure in the range 0.1 mPa to 1 Pa

Comparison of absolute pressure in the range 0.1 mPa to 1 Pa

Pressure measurements in gas (gauge mode)

Hydraulic gauge pressure

Hydraulic gauge pressure

Hydraulic gauge pressure

Leak rates

Leak rates

Pressure measurements (absolute mode)

Pressure measurements (gauge and absolute mode)

Realization of the kilogram

Realization of the kilogram

Comparison of mass standards

Pressure measurements in oil (gauge mode)

Pressure measurements in oil (gauge mode)

Comparison of mass standards

Pressure measurements in oil (gauge mode)

Comparison of national pressure standards for the pressure range 10 MPa to 100 MPa of hydraulic gauge pressure

Pressure measurements in oil (gauge mode)

Pressure measurements in oil (gauge mode)

Pressure measurements in oil (gauge mode)

Comparison of mass standards

Pneumatic pressure measurements (gauge mode)

Low pressure gas flow

Pressure measurements (gauge mode)

Comparison of mass standards

Low pressure gas flow

Low pressure gas flow

Pressure measurements in gas (gauge mode)

Pressure measurements in gas (gauge mode)

Mass : 50 kg

Comparison of mass standards

Low pressure gas flow

Comparison of mass standards

Natural gas at high pressure

Comparison of mass standards

Key comparison of national hardness standards of Rockwell scales

Pressure measurements in gas (gauge mode)

Comparison of mass standards

Compressed air and nitrogen

Natural gas at high pressure

Natural gas at high pressure

Natural gas at high pressure

Pressure measurements (differential pressure)

Comparison of mass standards

Comparison of mass standards

Liquid volume

Comparison of the calibration of density hydrometers

Calibration

Pressure measurements in oil (gauge mode)

Comparison of mass standards

Comparison of mass standards

Liquid volume

Comparison of the calibrations of high resolution hydrometers for liquid density determination

Pressure measurements in gas (absolute and gauge mode)

Comparison of mass standards

Liquid volume

Liquid volume

Liquid volume: 20 L

Calibration of high resolution hydrometers

Viscosity measurements of standard liquids

Pressure measurements in gas (absolute mode)

Pressure measurements in gas (absolute mode)

Comparison of mass standards

Liquid volume

Liquid volume

Liquid volume

Very high force measurements

Calibration of high resolution hydrometers

Calibration of high resolution hydrometers

Comparison of mass standards

Liquid volume

Very high force measurements

Comparison of the calibration of density hydrometers

Calibration of micropipettes

Volume of solid weights

Pressure measurements in gas (gauge mode)

Pressure measurements in gas (gauge mode)

Free-fall acceleration

Viscosity measurements of standard liquids

Pressure measurements in gas, ultra-high vacuum (absolute mode)

Pressure measurements in gas, ultra-high vacuum (absolute mode)

Comparison of mass standards

Comparison of mass standards

Air speed

Air speed

Air speed

High force measurements

Pressure measurements in gas, ultra-high vacuum (absolute mode)

Air speed

Pressure measurements in gas (gauge mode)

Comparison of mass standards

Comparison of mass standards

Force measurements

Density of liquids

Comparison of mass standards

Comparison of mass standards

Comparison of mass standards

Free-fall acceleration

Density of liquids

Pressure measurements (gauge mode)

Torque Measurements

Torque measurements

Pressure measurements (absolute mode)

Comparison of mass standards

Free-fall acceleration

Comparison of absolute gravimeters

Free-fall acceleration

Low pressure gas flow

Hydrocarbon liquid flow

Liquid hydrocarbon flow

Medium force measurements

Medium force measurements

Medium force measurements

Density of liquids

Comparison of mass standards

Comparison of mass standards

Hydrocarbon liquid flow

Hydrocarbon liquid flow (bilateral comparison)

Medium force measurements

Medium force measurements

Pneumatic pressure measurements (gauge mode)

Free-fall acceleration

Pressure measurements in gas (absolute mode)

Pressure measurements in Nitrogen (absolute mode)

Pressure measurements in Nitrogen (absolute mode)

Comparison of mass standards

Force measurements

Volume and density of three ceramic spheres

Pressure measurements in gas (gauge mode)

Hardness (Vickers1)

Free-fall acceleration

Density measurements of silicon spheres

Viscosity measurements of standard liquids

Pressure measurements in gas (gauge mode)

Comparison of mass standards

Hardness (Vickers 1)

Hardness (Vickers HV1, HV5, HV30)

Viscosity measurements of standard liquids

Viscosity measurements of standard liquids

Viscosity measurements of standard liquids

Viscosity measurements of standard liquids

Viscosity measurements of standard liquids

Torque measurements

Torque measurements

Torque measurements

Torque measurements

Pressure measurements, Phase B (gauge mode)

Pressure measurements, Phase A2 (gauge mode)

Pressure measurements, Phase A1 (gauge mode)

Comparison of mass standards

Hardness (Vickers 0.2)

Free-fall acceleration

Water flow

Water flow

Low force measurements

Density measurements of a silicon sphere

Pressure measurements in gas (gauge mode)

Pressure measurements in gas (gauge mode)

Comparison of mass standards

Comparison of mass standards

Hardness (Vickers 1)

Water flow

Pneumatic pressure region 0.4 MPa to 4.0 MPa