Monitoring the long-term stability of ultrasonic flow measurements

Plausibility monitoring through integrated measurement of the speed of sound

Challenge

Long-term stability and a verified measured value contribute significantly to maintaining a consistently high level of process reliability. How can plant operators ensure in the long term that their measuring devices used are within the expected measurement uncertainty and that the measurement is systematically correct?

Solution

The OPTISONIC flowmeters operate according to the ultrasonic transit time principle and, depending on the model, are constructed with up to twelve beams in different levels. This means that in addition to the velocity information, numerous other diagnostic data are available to evaluate the integrity of the measurement. In addition to detecting gas components, deposits and flow profile disturbances that have an influence on the measurement uncertainty, the entire measurement circuit is monitored, from the converter electronics to the signal converters and the acoustic signal path. This significantly improves plant safety and availability without the need for frequent verification compared to conventional measurements.

29th June '23

Safer flow measurement with ultrasonic flowmeters​

Reduced application and sizing risks​, diagnostics, safe mechanical design of piping​

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Safety benefits

  • Ultrasonic transit time as the primary measured value: works independently of the media properties

  • Offers numerous diagnostic options to monitor the plausibility of the measurement and to identify factors influencing the measurement

  • Compared to conventional measurement principles, maintenance-free and stable even without recurring verification

  • OPTISONIC series of instruments for liquids, gases and steam, as inline or clamp-on instruments, for simple to highly demanding applications (e.g. in custody transfer)

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12 products

OPTISONIC 3400

Ultrasonic flowmeter for liquid process applications

OPTISONIC 3400 District Heating

Ultrasonic flowmeter for district heating applications

OPTISONIC 4400 HP

Ultrasonic flowmeter for high pressure liquids

OPTISONIC 4400 HT

Ultrasonic flowmeter for high temperature liquids

OPTISONIC 6300 P

Ultrasonic clamp-on flowmeter for temporary flow measurement of liquids

OPTISONIC 6300

Ultrasonic clamp-on flowmeter for flow measurement of liquids

OPTISONIC 7300

Ultrasonic flowmeter for natural gas, process gas and utility gas applications

OPTISONIC 7300 Biogas

Ultrasonic flowmeter for biogas, landfill and sewage gas applications

OPTISONIC 8300

Ultrasonic flowmeter for superheated steam and high temperature gases

ALTOSONIC V12

Ultrasonic flowmeter for custody transfer (CT) measurement of gases

ALTOSONIC 5

Ultrasonic flowmeter for custody transfer (CT) measurement in upstream and midstream applications

ALTOSONIC III

Ultrasonic flowmeter for custody transfer (CT) measurement of liquid hydrocarbons

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