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Transit time makes flow measurement non-intrusive

A Yokogawa product story
Edited by the Engineeringtalk editorial team Feb 7, 2006

Ultrasonic flowmeter uses transit-time technique to provide high-performance non-intrusive flow measurement.

The US300 from Yokogawa is an ultrasonic flowmeter that uses the transit-time technique to provide a high-performance non-intrusive flow measurement.

The non-intrusive dry measuring technique eliminates the problems of cutting into the pipe to install the meter, pressure loss, and wear and tear encountered in many flow-metering installations, resulting in a reduction in the total cost of ownership.

The instrument will measure sound velocity to provide volumetric flow or mass flow in pipes up to 6.5m in diameter, and has a measuring range from 0 to 110,000m3 per hour.

Signal processing is based on a dual-processor system which provides transit-time correlation, while the use of a matched pair of stainless-steel transducers eliminates zero offsets and ensures linearity.

It can be supplied with either fixed or portable electronics.

Both versions have a two-line LCD, up to two 4-20mA outputs and an RS232 serial interface.

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