DEVICE FOR TEMPERATURE MEASUREMENT Russian patent published in 1994 - IPC

FIELD: measurement of body temperature. SUBSTANCE: device housing accommodates a temperature-sensing element in the form of a stepped bellows insert, a chamber filled with thermometer liquid. The stepped bellows insert is made up of two successively connected bellows with different effective cross-section areas. A spring-loaded crosspiece is located on the end surface of the stepped junction and linked with a rod. The rod is brought into the diaphragm bottom of vessel filled with indicator liquid and communicating with a calibrated capillary tube. EFFECT: enhanced of measurement. 2 dwg