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Sterile environment flowmeter

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article image Krohne’s M9 sterile environment variable area flowmeter

KROHNE 's H250 variable area flowmeter is now available in a low-cost stainless steel housing for use in sterile environements.

The new-look meter, known as the 'M9' also incorporates new electronics and two wire design. It is now one of the most cost effective metering options for intrinsically safe liquid and gas flow measurement. It is the only entirely metal variable area flowmeter which is certified by the EHEDG.

The introduction of a flameproof converter opens up a wide range of flow measurement possibilities in plants where highly explosive and/or volatile solvents are being used.

The new flameproof signal converter, the M10, is an all electronic, fully programmable compact device with a three line 12-digit display, current output 4mA-20mA two wire technology, switch and pulse output with HART communication. The M10 can be configured by means of a HART handheld communicator, a PC or from a control station, and the information stored on the converter, including the name of the product and its properties, can be read during operation via HART or the menu.

The two wire design offers many advantages, including reduced cabling and installation costs and lower power consumption, and their compact footprint makes them easy to install in production plants. Variable area flowmeters with flameproof housing can be used for the flowmetering of clean homogenous gases, steam or liquids in pipelines up to DN 150. The process is low-cost and offers a high degree of accuracy and reliability, requiring only short inlet and outlet runs.

Other typical applications include the measurement of UHP water, liquid hydrocarbons and other non-conductive products, as well as the metering of traditionally problematical products such as aggressive chemicals.

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