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2 472 107

(13)

(51)

IPC

G01B7/16(2006-01-01)

G01L9/08(2006-01-01)

(21) (22)

Application

2011139604/28, 2011-09-29

(24)

Start date

2011-09-29

(22)

Actual filing date

2011-09-29

(45)

Published

2013-01-10

(72)

Inventor

Klochikhin Vladimir AleksandrovichLur'E Gennadij IzrajlevichMitjunin Aleksandr Vladimirovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Avtomatiki Im. N.L. Dukhova"

DEVICE TO CONVERT NONELECTRIC MAGNITUDE IN ELECTRIC SIGNAL Russian patent published in 2013 - IPC G01B7/16 G01L9/08

Abstract RU 2472107 C1

FIELD: physics.

SUBSTANCE: device comprises primary transducer, its power supply, pickup of temperature for compensation of pressure signal temperature error additive component, pickup of temperature for compensation of pressure signal temperature error multiplicative component, normalising amplifier, device for compensation of pressure signal temperature error additive component, device for compensation of pressure signal temperature error multiplicative component, and device for compensation of main error. Besides, it comprises unit of metrological control ad diagnostics including signal adder, digital potentiometer with volatile memory, microprocessor, and ADC. Note here that output of digital potentiometer with volatile memory is connected to signal adder input, second input of signal adder is connected to output of zero adjustment potentiometer. Signal adder output is connected to input of device for compensation of pressure signal temperature error additive component. Output of main error compensator and measurement limits switch is connected to input of ADC connected to microprocessor. Microprocessor output is connected to input of digital potentiometer of the unit of metrological control and diagnostics.

EFFECT: compensation of errors.

2 dwg

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RU 2 472 107 C1

Authors

Klochikhin Vladimir Aleksandrovich

Lur'E Gennadij Izrajlevich

Mitjunin Aleksandr Vladimirovich

Dates

2013-01-10—Published

2011-09-29—Filed