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 ?
Limited Tenders are invited for Bimetallic Thermometer
MET/TEMP II automates batch calibrations of platinum resistance thermometers (PRTs), liquid-in-glass (LIGs) and bimetallic thermometers, thermistors, and a wide range of thermocouple sensors to standardize testing for consistent results no matter who performs the calibration.
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.
These thermometers shall be direct reading, bimetallic thermometers with maximum and minimum index pointers, and a reset knob.