STRAIN GAUGE FOR MEASURING PRESSURE Russian patent published in 1995 - IPC

FIELD: measuring equipment. SUBSTANCE: strain gauge has functional converter which allows temperature errors to be fully compensated. Functional converter 15 has heat sensitive member, heat sensitive resistor 2, and two differential amplifiers 4,5. Unit 9 of reference voltages and multiplier 10 generate two voltages depending on temperature. The voltages are added in adders 7 and 8 with two outlet voltages supplied by bridge measuring circuit 1. This allows the output signal to be independent of the temperature and recorded by outlet instrument 14. EFFECT: enhanced accuracy of measuring. 1 dwg