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Title: Development Of A Very Small Ultrasonic Flowmeter For Liquids
Author: H. Ishikawa&&, m. Takamoto, K. Shimizu, H. Monji, G. Matsui
Source: Flomeko 2000
Year Published: 2000
Abstract: In this study, small disk ultrasonic transducers were used to develop a very small ultrasonic flowmeter with a measuring pipe diameter of less than 1 mm. The feasibility of using an ultrasonic flowmeter to measure a liquid flow rate below 1 mL/min was investigated experimentally. Calibration results of the developed ultrasonic flowmeter were almost all scattered within the range predicted from the standard deviation of measurements. The flowmeter can stably measure a flow rate of less than 1 mL/min with a standard deviation of about 0.01 mL/min. This result suggests that the flowmeter can be very useful for semiconductor, medical and chemical industries.




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