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Select a Metrology Area			Acoustics, Ultrasound, Vibration (AUV) Electricity and Magnetism (EM) Length (L) Mass and related quantities (M) Photometry and Radiometry (PR) Chemistry (QM) Ionizing Radiation (RI) Thermometry (T) Time and Frequency (TF)

DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on magnetic materials.

Laser frequencies and dimensional metrology.

Mass standards, force, pressure, density, hardness, torque, gravity, viscosity and fluid flow.

Photometry, fibre optics and properties of detectors, sources and materials.

Dosimetry, radioactivity and neutron measurements.

Diverse chemical categories such as: Food, Biology, Fuels, Gases, Water, etc.

Approval dates are shown for CMCs published after 24 May 2004.
Only the latest version of the CMCs is shown here. Further details on the history of a CMC should be requested from the issuing National Metrology Institute.