Industrial Terminology Glossary – G
A fundamental dimensional reference standard used in quality laboratories to verify the accuracy of dimensional measurements. Read More…
Gas Discharge Display
In digital instruments, a numerical readout in which the digit segments are delineated by the glow of ionized gas. Also described as “plasma” or “gas plasma” display.
The pressure of a fluid in relation to the surrounding atmospheric pressure. It is quantified using a gauge, an instrument designed to measure the variance in pressure between the fluid and the atmosphere. Read More…
Geometric Dimensioning and Tolerancing (GD&T)
A way to display different tolerance levels. It uses a language of symbols and drawings.
Gradient, Thermal
The rate of change of temperature as a function of distance.
Grounded Junction
A thermocouple construction where the junction is attached (grounded) to the sheath as contrasted to an ungrounded or exposed junction type.