Industrial Terminology Glossary – U
An instrument designed to non-invasively measure the thickness of materials while preserving their structural integrity. Read More…
Ultraviolet-A (UVA)
One of the three classifications of ultraviolet light produced by the sun as well as man-made light sources.
Ultraviolet-B (UVB)
One of the three classifications of ultraviolet light produced by the sun as well as man-made light sources.
Unbalanced Load
An AC power system using more than two wires, where the current is not equal in the current-carrying wires due to an uneven loading of the phases.
Union (Connection)
The length/diameter adjusting fitting between two nipples or between sensor/connection head and pipe nipple.
Units (of measure)
A determinate quantity (as of length, time, heat, or value) adopted as a standard of measurement. The SI is made up of 7 base units that define the 22 derived units with special names and symbols.
A precision measuring instrument used for the accurate assessment of both the external and internal dimensions of items. Read More…
Universal Serial Bus (USB)
A type of interface that allows communication between a host controller and other devices.
