Noun
English Wikipedia has an article on:strain gaugeWikipedia
strain gauge (plural strain gauges)
A device that measures the strain in a structural element by measuring changes in electrical resistance of a sensor attached to the element under investigation.
There are two methods for measuring changes in penile rigidity and circumference during nocturnal erection: snap gauge and strain gauge. Source: Internet
This setup is frequently used in strain gauge and resistance thermometer measurements, as it is usually faster to read a voltage level off a meter than to adjust a resistance to zero the voltage. Source: Internet
With the strain gauge and a filter, amplifier, and analog/digital converter, the strain on an object can be measured. Source: Internet