diaphragm gage

diaphragm gage

[′dī·ə‚fram ‚gāj]
(engineering)
Pressure- or vacuum-sensing instrument in which pressures act against opposite sides of an enclosed diaphragm that consequently moves in relation to the difference between the two pressures, actuating a mechanical indicator or electric-electronic signal.
References in periodicals archive ?
Shaffer, Recommended practices for the calibration and use of capacitance diaphragm gages as transfer standards J.