Id Name Aspect Definition
SourceCurrentACSinewave Source.Current.AC.Sinewave electric current The process of sourcing a Sinusoidal Alternating Current signal. Knowing the shape of the waveform allows the system to make conversions from RMS to PeakToPeak.
SourceCurrentACSquarewave Source.Current.AC.Squarewave electric current The process of sourcing a Squarewave Alternating Current signal. Knowing the shape of the waveform allows the system to make conversions from RMS to PeakToPeak.
SourceCurrentACTrianglewave Source.Current.AC.Trianglewave electric current The process of sourcing a Triangle Alternating Current signal. Knowing the shape of the waveform allows the system to make conversions from RMS to PeakToPeak.
SourceDensity-MassGas Source.Density-Mass.Gas Test Process that sources a gas’s density as defined by the amount of mass present in a specified volume of gas at a given temperature and pressure. Gases are extremely responsive to temperature and pressure, causing their densities to change rather quickly. Measuring the density of gas the Ideal Gas Law (P*V = nRT) must be taken into account. ** Includes non-uniformity
SourceDensity-MassLiquid Source.Density-Mass.Liquid Test Process that sources a liquid’s density as defined by the amount of mass present in a specified volume of liquid at a given temperature. Temperature affects density, as does the pressure to the extent that the liquid compresses. In, liquids deemed sufficiently incompressible, the volume does not depend on pressure.
SourceDensity-MassSolid Source.Density-Mass.Solid Test Process that sources a solid’s density as defined by the amount of mass present in a specified volume temperature. Temperature affects density as solids expand and contract according to their temperature coefficients. ** Includes voids and non-uniformity
SourceForce Source.Force force Test Process that sources a Force as defined as mass times acceleration (F = m * a). The formula describes a free mass or the net force on any mass. Dead-weight force measurements depend on true mass, specific location’s influences, such as local gravity, air buoyancy, and material density are often needed. Equal but opposite forces counteract to cancel any net motion or acceleration, but result in a deformation of the objects which can be measured. This test process is typically used to calibrate devices like load cells, multi-axis transducers, proving rings, force gauges, traction dynamometers, crane scales, bolt testers, aircraft scales, load cell washer, truck wheel load scales, miniature load cells, handheld force gauges, etc. When sourcing mass of a physical object See Source.Mass.True
SourceFrequencyACSinewave Source.Frequency.AC.Sinewave frequency The process of generating a frequency-stable sinewave waveform.
SourceFrequencyACSquarewave Source.Frequency.AC.Squarewave frequency The process of generating a frequency-stable square waveform.
SourceFrequencyRFSinewave Source.Frequency.RF.Sinewave frequency The process of generating a frequency-stable RF Sinewave waveform.
SourceImpedance Source.Impedance The process of measuring the impedance of a device.
SourceInductance Source.Inductance inductance The process of sourcing electrical Inductance of a device either fixed or simulated.
SourceLength Source.Length length Length is the straight-line distance between two points. It can be measured in one, two, or three dimensions with 6 degrees of freedom. Length measurements are made from Point 1 to Point 2 based on the reference definition of an ISO or ASME standard datum specifically defining the orientation and references for each of the x,y,z points. The start and end points allow defining and distinguishing direction if required; otherwise, they are interchangeable
SourceLengthCircumference Source.Length.Circumference length Length Circumference is the length measured around the inside or outside of a round or circular object.
SourceLengthDiameter Source.Length.Diameter length Length Diameter is the edge-to-edge straight-line distance passing through the center of a circular object. It can measure the inside open space or outside diameter of the object.
SourceLengthFormPerpendicularity Source.Length.Form.Perpendicularity length Perpendicularity is a fairly common symbol that requires the referenced surface or line to be perpendicular or 90° from a datum surface or line. Perpendicularity can reference a 2D line, but more commonly it describes the orientation of one surface plane perpendicular to another datum plane.
SourceLengthFormRoundness Source.Length.Form.Roundness length Roundness is the feature described as deviation (radial error) from true roundness (mathematically, a circle).
SourceLengthFormSphericity Source.Length.Form.Sphericity length Sphericity is a measure of how closely the shape of an object resembles that of a perfect sphere. For example, the sphericity of the balls inside a ball bearing determines the quality of the bearing, such as the load it can bear or the speed at which it can turn without failing. Sphericity is a specific example of a compactness measure of a shape. Defined by Wadell in 1935,[1] the sphericity, {\displaystyle \Psi }\Psi , of a particle is the ratio of the surface area of a sphere with the same volume as the given particle to the surface area of the particle: where {\displaystyle V_{p}}V_p is volume of the particle and {\displaystyle A_{p}}A_p is the surface area of the particle. The sphericity of a sphere is unity by definition and, by the isoperimetric inequality, any particle which is not a sphere will have sphericity less than 1. Sphericity applies in three dimensions; its analogue in two dimensions, such as the cross sectional circles along a cylindrical object such as a shaft, is called roundness.
SourceLengthFormStraightnessSurrface Source.Length.Form.Straightness.Surrface length The minimum normal (perpendicular) distance between two parallel planes that fully contain a surface along a specified line.
SourceLengthRadius Source.Length.Radius length Length Radius commonly thought of as half the diameter of a full circle, the radius is the distance from the center point to the edge of an arc or partial circle.