strain gauge
nounUK /ˈstreɪn ɡeɪdʒ/
US /ˈstreɪn ɡeɪdʒ/
A strain gauge is a small tool that shows how much something stretches or bends.
Engineers glued a strain gauge to the bridge beam to measure how much it flexed under heavy trucks.
RELATED WORDS
OTHER MEANINGS
2. A device whose electrical resistance changes when it is stretched or compressed, used to measure mechanical strain.
The foil strain gauge changed resistance as the metal plate bent.
3. A sensor used in weighing scales and force measurement systems.
The digital scale uses a strain gauge to convert weight into an electrical signal.
4. An instrument for monitoring structural health in buildings, bridges, and aircraft.
Technicians checked the strain gauge readings to confirm the wing was safe.