The SMC Alsonic DSP series is a fixed-mount, transit-time ultrasonic flowmeter with clamp-on transducers for non-invasive liquid measurement. This device uses patented "fine time measurement technology", making use of ultrasonic beams that can measure at pico-seconds time intervals. This rapid array of measurements enables accurate, drift-free flow rate data in liquids that contain a second phase of entrained solids or gas bubbles. The use of DSP technology enables "Cross Correlation" of ideal signals to cancel extraneous noise signals, and create a three-dimensional cross section of the velocity distribution profile of the medium flowing through the pipe. DSP technology also enables the use of "FFT (Fast Fourier Transforms)" in order to generate the two signals at the same frequency; thereby increasing the signal-to-noise ratio for accurate, drift-free flow measurement in liquids.

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The ALSONIC-DHL series is a hand-held transit-time ultrasonic flow meter with clamp-on transducers for non-invasive liquid measurement. Our advanced DSP and multipulse technology is more tolerant of suspened solids and bubles than standard ultrasonic measurement techniques. The clamp-on transducer design allows for portable use of the instrument and provides relaibale, accurate flow measurement with no interruption of the process flow.

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