
Advanced flow meters for liquids, steam and gases — suitable for non-invasive, sanitary and high-pressure applications.
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A comprehensive range of pressure transmitters for gauge, differential and absolute pressure, plus liquid level measurement.
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80 GHz radar, guided wave and ultrasonic level meters for tanks, silos, reactors and corrosive media.
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Factory-integrated truck loading skids, tank sampling skids and LNG vaporization skids — custom-built YY series.
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Mineral insulated RTD and thermocouple sensors plus head-mounted transmitters with 4-20 mA and RS485 output.
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YOYI excels in providing a wide range of innovative flow meter technologies tailored to diverse industrial needs. Our commitment to specified solutions ensures you find the "best-fit" flow meter for any application, enhancing efficiency and accuracy.
Explore the YOYI range of flow meters and pressure transmitters engineered for accuracy, reliability and long, maintenance-free service life.

YYEM series for conductive liquids — water, wastewater, slurry and chemicals with no pressure loss.
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YYUS series, clamp-on and wetted designs for water, HVAC and challenging non-invasive measurement.
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YYVT series for steam, compressed air and gases — robust and maintenance-free.
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YYTM series for direct gas mass flow measurement in energy management and emissions monitoring.
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YYCO series delivering direct mass flow, density and temperature with exceptional accuracy.
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YYTB series for clean, low-viscosity liquids — custody transfer and batching accuracy.
View Details →From oil & gas to food & beverage, YOYI precision instruments cater to the unique needs of every industry. Explore how our technology enhances your processes.
Sub-metering, utility billing and energy efficiency monitoring.
Dosing, mixing and batching — even with aggressive fluids.
Custody transfer and well output monitoring with YOYI meters.
Treatment plant flow tracking with ultrasonic and electromagnetic meters.
Water, gas and steam monitoring for efficient resource management.
Sanitary flowmeters with hygienic process connections.
YOYI's advanced solutions enhance operational efficiency and support sustainable practices. Measure with precision — and contribute to a greener future.
Your gateway to understanding how continuous innovation and industry developments impact your operations.

Fluid type, line size, accuracy and pressure loss — the four questions that decide your best-fit technology.

A practical comparison of the two most popular water flow technologies — installation, accuracy and lifecycle cost.

Why steam is the hardest fluid to meter — and how proper installation keeps your energy accounting honest.