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Design of Low-power High Precision Ultrasonic Flowmeter Based on MSP430

LI Zhong-h

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Abstract

The ultrasonic flowmeter is the wider application of a flow metering equipment.As a non-contact measurement technique,it has a good prospect of application in industrial production and daily life.A kind of transit-time ultrasonic flowmeter is designed by adopting the 16-bit MSP430 MCU and the high precision interval measurement chip TDC- GP2.TDC- GP2 has the function of temperature measurement,so it can automatically compensate for the error cased by temperature changes in the measurement procedure.The flow rate and total flux can be shown on the LCD device.

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What this paper is about

The ultrasonic flowmeter is the wider application of a flow metering equipment.As a non-contact measurement technique,it has a good prospect of application in industrial production and daily life.A kind of transit-time ultrasonic flowmeter is designed by adopting the 16-bit MSP430 MCU and the high precision interval measurement chip TDC- GP2.TDC- GP2 has the function of temperature measurement,so it can automatically compensate for the error cased by temperature changes in the measurement procedure.The flow rate and total flux can be shown on the LCD device.

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Available abstract

The ultrasonic flowmeter is the wider application of a flow metering equipment.As a non-contact measurement technique,it has a good prospect of application in industrial production and daily life.A kind of transit-time ultrasonic flowmeter is designed by adopting the 16-bit MSP430 MCU and the high precision interval measurement chip TDC- GP2.TDC- GP2 has the function of temperature measurement,so it can automatically compensate for the error cased by temperature changes in the measurement procedure.The flow rate and total flux can be shown on the LCD device.

Key concepts: Flow measurement, Ultrasonic sensor, Microcontroller, Metering mode, Ultrasonic flow meter, Liquid-crystal display, Accuracy and precision, Engineering

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