Ever since we were established in 1921, the name KROHNE has stood for innovation and reliability. More than 100 engineers use their vast knowledge and expertise to develop new products and solutions. No surprise then that our ground breaking innovations have led us to be at the cutting edge of measurement technology.
Now once again KROHNE sets the standard with the OPTIMASS 6400, the new standard, high-performance Coriolis mass flowmeter for liquids and gases to handle high temperature, high pressure and cryogenic applications.
Its superior performance makes the OPTIMASS 6400 the NEW standard meter for the process industry. With OPTIMASS 6400 KROHNE further strengthens its OPTIMASS product line and allows our customers to choose the right solution for virtually all process applications.Learn more about the Coriolis measuring principle
KROHNE has 3 decades of experience in bent self-draining tube designs. Furthermore the OPTIMASS 6400 uses proven, patented flow splitter technology that provides minimum pressure loss. The OPTIMASS 6400 is available in sizes DN 08 to 250 and in 3 different materials: 316L stainless steel, Hastelloy® C-22 and Duplex UNS31803.
The NEW standard, high-performance meter. Due to its superior design and latest, most advanced modern components, the OPTIMASS 6400 provides accurate measurements even in cryogenic and high temperature applications ranging from -200 to +400 °C / -328 to 752 °F and has high pressure capability up to 200 bar / 2900 psig.
So, whatever your requirements, you can be rest assured that your OPTIMASS 6400 meter has been made to the highest standards and that no compromises have been made on quality.Feel free to contact us
The new MFC 400 mass flow signal converter is an electronics unit which is perfectly suited to all measuring tasks at the highest level of technology. The MFC 400 offers high performance with air entrainment, excellent zero stability and advanced density measurement. It is approved according to ATEX, IECEx, GOST and cFMus and has achieved other local approvals as well. It comes with a remote converter that reaches up to 20 m / 65.6 ft.
Learn more about further features:EGM (Entrained Gas Management)
Compact installation on the sensor
Separate installation up to a max. of 20 m / 65.6 ft from the sensor
Wall mounting for
User friendliness has many aspects when it comes to the OPTIMASS 6400: whether installation, commissioning, operation or communication – the newest member of the OPTIMASS family makes things easy for the user in the truest sense of the word.
Learn more about:Installation
The OPTIMASS 6400 uses the tried and tested HART®, FOUNDATION fieldbus™ and PROFIBUS® interfaces for communication. And configuration uses PACTware™, including the necessary DTM free of charge.Feel free to contact us
When it comes to selecting a flowmeter for your application, the OPTIMASS range covers all bases of all relevant industries around the globe. KROHNE offers superior straight and bent tube design mass flowmeters. From small to large. For 0.00015 to 2300 t/h flows. For custody transfer applications or problematic applications such as highly viscous media, non-homogeneous mixtures, media with solid content or gas inclusions.
All meters have been designed to reduce constraints on the user. So you can just choose the best meter for your application.Explore the OPTIMASS product family
Twin straight tube design. For general purpose applications in the process industry.
Twin straight tube design. The first choice for bulk flows and for custody transfer. Available in Duplex and Super Duplex
Single bent tube design. The solution for extremely low flow rates.
The standard meter with high end options for the process industry.
Single straight tube design. High performace meter for abrasive, corrosive or viscous fluids. Also ideal for hygienic applications.
Twin bent tube design. OEM meter for rotary and linear batch filling machines.
Twin bent tube design. OEM meter for CNG dispensers. CT approved to OIML R139.
|Nominal meter size||1 bar pd nominal
|15||3800||15, 20, 25||1/2", 3/4", 1"|
|25||19000||25, 40||1", 1.5"|
|50||35000||40, 50||1.5", 2"|
|80||78000||50, 80||2", 3"|
|100||175000||80, 100||3", 4"|
|150||320000||100, 150||4", 6"|
|200||550000||150, 200||6", 8"|
|250||1000000||250, 300||10", 12"|
0.1 % flat-line accuracy for 20:1 turndown from nominal flow
0.05% flat-line accuracy for 10:1 turndown from nominal flow
Below 1/20th of nominal flow rate: +/- zero stability
|Maximum flow rate||Up to 150% of nominal flow|
|Approvals||Ex, cFMus, Ex NEPSI, OIML, IEC Ex|
|Material||Stainless steel||Hastelloy® C-22||Duplex|
|Measuring tube||100 barg (1450 psig)||200 bar (2900 psig)||200 bar (2900 psig)|
|Process temperature||Cryogenic||Std||High temp|
KROHNE Messtechnik GmbH
Tel.: +49 (0) 203 301 4121
Court of Registry: Amtsgericht Duisburg
Registered Office: Duisburg HRB 21666
General Manager: Dr. Attila Bilgic, Ingo Wald
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KROHNE Messtechnik GmbH