Learn about KROHNE's ultrasonic clamp-on flowmeter for temporary flow measurement of liquids.

The OPTISONIC 7300 is a universal 2-path ultrasonic gas flowmeter for process and utility gas measurements in oil and gas refineries or the chemical or petrochemical industries. It is also suitable for non-custody transfer natural gas applications or applications with (compressed) air, mixed or flue gases (up to +180°C / +356°F).

The OPTISONIC 6300 P is a portable, battery-powered ultrasonic clamp-on flowmeter for temporary flow measurement of (non-)conductive liquids. It can be used at virtually any location and without process interruption or need to cut pipes. Due to its flexibility, the meter is equally suited for comparative measurements on stationary measuring equipment (e.g. pumps, flowmeters etc.) or for use as a short-term replacement of faulty devices. As standard the clamp-on flowmeter is also provided with a measurement option for thermal energy applications.

The OPTISONIC 3400 is a 3-path ultrasonic inline flowmeter designed for a wide range of standard or more demanding process applications with homogeneous, non-viscous aqueous liquids as well as viscous fluids of up to over 1000 cSt. It is also the perfect choice for applications with cryogenic products (as low as -200°C / -328°F), media with extended temperature ranges (up to +250°C / +482°F) as well as low or extreme pressure ratings. The OPTISONIC 3400 offers a broad range of diameters – from DN25 / 1" for dosing purposes to DN3000 / 120" for water transportation pipelines.

The OPTIMASS 3400 is a cost-effective Coriolis mass flowmeter for accurate flow measurement of liquids and gases in a variety of demanding low flow and dosing applications (from 0.3 kg/h or 0.01 lb/min upwards). The OPTIMASS 3400 features Entrained Gas Management (EGM^TM) for liquid applications, providing reliable readings even in the event of gas entrainment of up to 100%. In this way, the Coriolis meter enables continuous and uninterrupted measurement of volume flow and mass, density and temperature –  even at very difficult process conditions with 2-phase flow.

The OPTIMASS 1400 is a cost-effective twin straight tube Coriolis mass flowmeter for a wide range of standard applications with gases and liquids (up to 170,000 kg/h or 6,235 lb/min). The meter features Entrained Gas Management (EGM^TM) for liquid applications, providing reliable readings even in the event of gas entrainment of up to 100%. In this way, the Coriolis meter enables continuous and uninterrupted measurement of volume flow and mass, density and temperature – even at difficult process conditions with 2-phase flow.

The OPTIMASS 7400 is a high-end Coriolis mass flowmeter for demanding process and custody transfer (CT) applications. It is the ideal solution when it comes to high accuracy measurement of gases and shear-sensitive or viscous liquids, slurries, very aggressive media or media with a low flow velocity. 

The OPTIMASS 2400 is the world’s highest capacity Coriolis mass flowmeter for liquids and gases. With its twin or four straight tube design, the Coriolis meter is ideally suited for bunkering operations and custody transfer or fiscal metering in the oil and gas industry. It can also be used for any bulk mass application with many other products such as syrup, molasses or raw chemicals up to 4,600 t/h / 169,000 lb/min. The Coriolis meter features Entrained Gas Management (EGM^TM) for liquid applications, maintaining operation over a wide range of gas fractions and complex flow conditions. In this way, the Coriolis device enables continuous and uninterrupted measurement of mass and volume flow, density and temperature – even at difficult process conditions with 2-phase flow.

The OPTIMASS 6400 is the standard high performance Coriolis mass flowmeter for the process industry. The twin bent tube meter offers superior performance and high accuracy in virtually any application: From process control in (petro)chemical applications to concentration measurements in the food and beverage industry to custody transfer filling and transport measurements in the oil and gas industry. Its high-end options also make the OPTIMASS 6400 the optimum device for cryogenic media like Liquefied Natural Gas (LNG) with temperatures down to -200°C / -328°F as well as applications involving high operating temperatures (up to 400°C / 752°F) or pressures (up to 200 barg / 2900 psig).

The OPTIFLUX 6300 is an electromagnetic flowmeter (EMF) for advanced hygienic applications in the food sector. The high-end flowmeter is particularly suitable for blending, dosing or filling applications where a high accuracy (±0.2% of measured value) is priority and extensive diagnostics are required. In addition, it can even be used for low conductivity liquids of ≥ 1 μS/cm (e.g. glucose, fruit concentrates). The 3A and EHEDG certified flowmeter comes with industry specific installation lengths. It has no crevices, gaps or blind spots and is specifically designed to stay clean and sterile. This way, it complies with the most stringent demands in the food and beverage industry.

The OPTIFLUX 5300 is an electromagnetic flowmeter (EMF) with a high-tech ceramic measuring tube for very aggressive and abrasive fluids, even with high solid content (up to 70%). The high-end EMF is particularly suited for process applications in the chemical processing industry and the minerals and mining sector. Due to its FDA and EC1935/2004 compliant sensor material, the OPTIFLUX 5300 can also be used for hygienic applications. With a measuring uncertainty of just ±0.15% of measured value (±1 mm/s) it is one of the most accurate electromagnetic flowmeters available in the market. That is why leading metrological institutes use the OPTIFLUX 5300 as their master meter.

The OPTIFLUX 5100 is an electromagnetic flowmeter (EMF) with a high-tech ceramic measuring tube for demanding process flows. It is particularly suited for applications in the chemical processing industry, the minerals and mining sector as well as in any other sectors of industry where highly aggressive or abrasive liquids occur. The EMF is the ideal solution for harsh process conditions with temperatures up to +180°C / +356°F, aggressive chemicals and solid content (up to 10%).

The OPTIFLUX 4300 is an electromagnetic flowmeter (EMF) for advanced process applications with aggressive liquids or abrasive media. The high-end flowmeter is particularly suitable for critical applications requiring high accuracy and many diagnostic functions. It enables reliable measurement even under very harsh process conditions with temperatures up to +180°C / +356°F, low conductivities (≥1 µS/cm), high solid contents (up to 70%) and high pressures (up to 1500 bar / 21751 psi). For custody transfer applications, the OPTIFLUX 4300 has a wide range of certifications including OIML R49 and R117 or MI-001 and MI-005. It can also be used for flow measurement in district heating networks requiring MI-004 approval.

The OPTIFLUX 4100 is an electromagnetic flowmeter (EMF) for a wide range of standard process applications with aggressive and abrasive liquids. It enables reliable flow measurement even under harsh process conditions with temperatures up to +180°C / +356°F, low conductivity (≥5 µS/cm) and solid content (up to 10%). This makes the flowmeter particularly suitable for applications involving corrosive chemicals, sewage and drilling mud or mining sludge. Installation in measurement chambers subject to (constant) flooding is also possible using the optional IP68 / NEMA 6P rated version.

The OPTIFLUX 4050 is an electromagnetic flowmeter (EMF) for chemical applications in non-hazardous areas. It provides cost-effective measurements with good accuracy and standard diagnostics and communication options. The extra isolation of the electronic device and housing makes this EMF particularly suitable for use in areas with extreme humidity and chances of flooding.

The WATERFLUX ,3300 is an electromagnetic flowmeter (EMF) for demanding water applications and custody transfer operations (MID MI-001, OIML R49; MI-004). The high-end meter is particularly suitable for applications requiring high accuracy and extensive diagnostics. With its rectangular and reduced cross-section the EMF enables a stable measurement even at low flow rates. This way, the WATERFLUX ,3300 offers a much larger turndown ratio (1000:1) than mechanical flowmeters (e.g. turbine meters) in drinking water distribution networks.

The WATERFLUX 3100 is an electromagnetic flowmeter (EMF) for all standard applications with raw, potable or abstraction water. It is the ideal solution for all general flow applications where reliable flow measurement with sufficient yet not extremely high accuracy is required. With its rectangular and reduced cross-section the EMF enables a stable measurement even at low flow rates. This way, the WATERFLUX 3100 offers a much larger turndown ratio (1000:1) than mechanical flowmeters (e.g. turbine meters) in drinking water distribution networks.

The WATERFLUX 3070 is a battery powered electromagnetic water meter for use in water abstraction wells, district metering areas (DMA) and custody transfer measurement of potable water (MI-001, OIML R49). With optional pressure and temperature sensors, the meter can also be used for leak detection, quality control and pressure management systems. 

The WATERFLUX 3050 is an electromagnetic flowmeter (EMF) for basic water applications. It offers cost-effective flow measurement in applications where extremely high accuracy, extensive diagnostics or a wide range of digital communication options are not a priority. Its measuring tube with a rectangular and reduced cross-section enables a stable measurement even at low flow rates. Due to the optimized flow profile, the meter is practically independent of interferences from the installation environment. It can be installed virtually anywhere without straight inlet or outlet runs – behind pipe bends, slide valves or a reduction in the pipe.

The OPTISONIC 7300 Biogas is an ultrasonic flowmeter for low pressure biogas, landfill and sewage gas applications. The flowmeter is ideally suited to measure biogas with a high CO₂ content as well as small amounts of other media like H₂S, nitrogen, hydrocarbons or condensation water. Its corrosion resistant titanium transducers provide a strong ultrasonic signal into the gas. The signal processing of the meter allows a better detection of small, strongly dampened acoustic signals.

The OPTIFLUX 2300 is an electromagnetic flowmeter (EMF) for all demanding applications with water and wastewater. The high-end meter is particularly suitable for applications requiring high accuracy and extensive diagnostics.

The OPTIFLUX 2100 is an electromagnetic flowmeter (EMF) for standard water and wastewater applications. It is the ideal solution for all general flow applications where reliable flow measurement with sufficient yet not extremely high accuracy is required. Installation in measurement chambers subject to (constant) flooding is possible with the remote IP68 / NEMA 6P rated version.

The OPTIFLUX 2050 is an electromagnetic flowmeter (EMF) for basic water and wastewater applications. It is suitable for all cost-effective measurements where extremely high accuracy, extensive diagnostics or a wide range of communication options are not a priority. The EMF has a wide diameter range (DN25…1200 / 1…48") and all drinking water approvals. The extra isolation of the electronic device and housing makes this EMF particularly suitable for use in areas with extreme humidity.

The OPTIFLUX 1300 is an electromagnetic flowmeter (EMF) with lightweight wafer-style design. The meter is an economical solution for applications with conductive liquids (≥ 5 μS/cm) and higher solid content (up to 70%). Unlike the OPTIFLUX 1100, the OPTIFLUX 1300 offers a better accuracy. The flowmeter already meets the demands of many applications in various industries. It has established itself as the preferred solution for OEM machinery applications, dosing systems, compact skids, chemical handling systems or pump and firefighting systems.

The OPTIFLUX 1100 is a cost-effective electromagnetic flowmeter (EMF) with a lightweight wafer-style design. The meter is an economical solution for general applications with conductive liquids (≥5 μS/cm) and lowers solid content (up to 10%). Unlike the basic device OPTIFLUX 1050, the OPTIFLUX 1100 offers better accuracy. It is suitable for use in various industries – from water, wastewater, and mobile applications to machine building (OEM), agriculture, and utilities to firefighting.

The OPTIFLUX 1050 is a cost-effective electromagnetic flowmeter (EMF) with lightweight wafer-style design. The meter is a very economical solution for simple applications with conductive liquids (≥ 5 μS/cm) involving low solid content (up to 10%). This particularly includes applications in water, wastewater, mobile applications, agriculture or firefighting where extremely high accuracy, extensive diagnostics or a wide range of communication options are not a priority. The extra isolation of the electronic device and housing makes this EMF also suitable for use in areas with extreme humidity.

The ENVIROMAG is an electromagnetic flowmeter. The magmeter is the optimum solution for North American water and wastewater measurement applications. Its design and performance makes it the choice for flow measurement throughout the process.

The OPTIFLUX 7300 is a an electromagnetic flowmeter (EMF) for measuring very low conductivity liquids (≥0.05 μS/cm). The high-end meter is particularly suitable for applications with extremely adhesive and greasy media that tend to form an insulating film. It is also the first choice for applications involving high vibration and noise as well as oxidizing, abrasive or toxic chemicals. The leak-tight, vacuum and temperature resistant ceramic tube construction also complies with regulations of the food industry (FDA, EC1934/2004). Therefore, hygienic flow measurement with advanced requirements is another field of application.

The TIDALFLUX 2300 is an electromagnetic flowmeter (EMF) with a patented, capacitive level measurement for use in partially filled pipes (up to DN1600 / 64”). The meter is the ideal solution for flow measurement of municipal or industrial wastewater in pressureless transport lines. However, the EMF is also suitable for measurement of effluent brine from dredging, mining or sea/well water injection applications. Unlike open channel systems (Venturi, V-notches etc.) the inline flowmeter is a closed measuring solution without obstructions and with a much better accuracy at lower total costs of ownership.