METHOD FOR ADJUSTING A THIN-FILM PRESSURE SENSOR Russian patent published in 2023 - IPC G01B7/16 G01D3/36 

Abstract RU 2801425 C1

FIELD: instrumentation.

SUBSTANCE: invention can be used in the production of metal-film pressure sensors with increased measurement accuracy and operable over a wide temperature range. The method for adjusting a thin-film pressure sensor consists in introducing a temperature-sensitive compensation resistor into the bridge circuit, changing the external temperature, determining the initial output signal of the sensor and changing it from the action of temperature, while the temperature-sensitive compensation resistor is sequentially completely short-circuited and the required resistance is determined, according to the invention, before determining the initial output signal determine the exact value of the temperature coefficient of resistance (TCR) temperature-sensitive compensation resistor, and the required resistance is determined using the following mathematical expression:

.

EFFECT: improved accuracy of thermal compensation.

1 cl, 1 dwg

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Authors

Polunin Vladimir Svyatoslavovich

Sharaeva Vera Petrovna

Kozlova Natalya Anatolevna

Kozlova Yuliya Aleksandrovna

Dates

2023-08-08Published

2023-04-24Filed