IPC Definitions - January 01, 2012

G01N 19/00 - Definition fr

Definition statement

This main group covers:

Measuring:

Instruments, e.g. hygrometers, for measuring the properties listed above.

Investigating by removal of material, e.g. spark-testing.

Detecting presence of flaws or irregularities.

References relevant to classification in this main group

This main group does not cover:

Investigating strength properties of solid materials by application of mechanical stress

G01N 3/00

Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid

G01N 5/00

Analysing materials by measuring the pressure or volume of a gas or vapour

G01N 7/00

Investigatingdensity or specific gravity of materials; analysing materials by determining density or specific gravity

G01N 9/00

Investigating flow properties of materials, e.g. viscosity, plasticity; analysing materials by determining flow properties

G01N 11/00

Investigating surface or boundary effects, e.g. wetting power; investigating diffusion effects; analysing materials by determining surface, boundary, or diffusion effects

G01N 13/00

Investigating characteristics of particles; investigatingpermeability, pore-volume, or surface-area of porous materials

G01N 15/00

Investigating resistance of materials to the weather, to corrosion, or to light

G01N 17/00
Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated into a larger system:

Determination of friction coefficient between road and wheel without additional sensors; application of friction determinations to the control of vehicle braking

B60T

Informative references

Attention is drawn to the following places, which may be of interest for search:

Sampling; preparing specimens for investigation

G01N 1/00

Automatic analysis; handling materials therefor

G01N 35/00

Use of mechanical means for measuring roughness or irregularity of surfaces, or for measuring deformation in a solid, e.g. mechanical strain gauge

G01B 3/00, G01B 5/28, G01B 5/30

Investigating elasticity of structures, e.g. deflection of bridges, aircraft wings

G01M 5/00

Vibration-testing or shock-testing of structures

G01M 7/00