bimetallic thermometer

bimetallic thermometer

[¦bī·mə′tal·ik thər′mäm·əd·ər]
(engineering)
A temperature-measuring instrument in which the differential thermal expansion of thin, dissimilar metals, bonded together into a narrow strip and coiled into the shape of a helix or spiral, is used to actuate a pointer. Also known as differential thermometer.
References in periodicals archive ?
During the past year, our surveyors have uncovered a persistent problem regarding the bimetallic thermometers and improper recording of temperatures of the countermeasure and Ammunition lockers.
bimetallic thermometers. Tonnage dials available for injection applications.
These thermometers shall be direct reading, bimetallic thermometers with maximum and minimum index pointers, and a reset knob.