H250 M40 - 20 Pages

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H250 M40

Catalog excerpts

The modular variable area flowmeter • Secure, cost-effective measurement and indication, even without power supply • Modular, can be expanded up to FOUNDATIONTM fieldbus • A device that meets all global Ex requirements • Sturdy, closed tube design for high resistance to pressure, temperature and m

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KROHNE – Measure the facts Welcome to KROHNE. As a leader in process measuring technology, we’re at home in a wide variety of industries worldwide. The name KROHNE has stood for innovative and reliable solutions since 1921. The company now offers a whole spectrum of instruments for flow, level, temperature and pressure measurement as well as process analysis. Our portfolio is rounded out by comprehensive services and consulting. Cost-effective and reliable variable area flowmeters are the first choice for the applications where a local indication is required to guarantee the redundancy of a...

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Proven quality from KROHNE From universal to one-of-a-kind: KROHNE‘s H250 variable area flowmeters cover the entire range of requirements in the process industry. At KROHNE, the modular device design of the H250 M40 combined with a flexible production structure form the basis for application and customer specific versions. As with every KROHNE variable area flowmeter, you can count on reliability and repeatability. Each device is individually calibrated for the respective application. And the robust metal version – available in a variety of materials – provides a high degree of resistance...

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intelligent Modularity Application-oriented and always ready for new tasks Modularity of electronics The H250 M40 is purely mechanical in design and this forms the basis for its flexible uses. Additional electronic modules can be added or replaced at any time, making it possible to scale the functionality at will. This way the device adapts easily to any changing requirements. Anything is possible, from analogue flow measurement without auxiliary power to digital integration into a fieldbus system. Simply screw off the cover, insert the module until it clicks, screw the cover back on and...

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intelligent Modularity Electrical options Limit switches 3 versions: • 2-wire NAMUR contact as per IEC 60947-5-6 • 3-wire transistor output 10-30 VDC • Potential-free reed switch 2-wire sensor module with 4…20 mA current output • 4…20 mA for 0…100% flow • Can be combined with limit switches • 14-30 VDC power supply • HART® certified communication • Internal interface to extension modules • Simple loop-check at push of button Totaliser with pulse output, limit switches and LCD • Counter module with graphic display to indicate flow, counter reading, additional information and operating menu •...

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superior Performance The package for hazardous areas H250 M40 from KROHNE offers a universal Ex-design across a wide range of usage zones and protection types. All electronic components are designed intrinsically safe and non-sparking and can be used in areas that are explosive due to the presence of gas or dust. As an option, the same components, featuring a safety housing, can be installed as explosion proof devices. One device can thus accommodate the different regional explosion protection strategies. H250 M40 is ATEX-, IECEx- and FM-approved for the USA and Canada and also according to...

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superior Performance Intrinsically safe electronics Explosion proof housing

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superior Performance Robust design for harsh process conditions The measuring principle allows for a robust, closed tube design without sensor feedthrough, as the height of the float is transferred to the indicator by way of a magnetic coupling. This enables high pressure versions that can withstand up to 900 barg / 13,000 psig. All wetted, pressurised parts are made as standard of 1.4404/316L stainless steel and meet the requirements of the NACE MR0175/MR0103 standard. To guarantee the longevity of the device even with chemically harsh products, it is possible to use special materials such...

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superior Performance Special indicator variants for extreme operating conditions With the indicator housing made of stainless steel, the H250 M40 R withstands attacks from salt fogs and contaminated precipitates. It can be reliably used in corrosive atmospheres and is perfectly suited for use in spray water zones, such as in the food and beverage industries. Unique to date: The indestructible stainless steel housing is also available on request in an explosion proof version for use in hazardous areas. As a high-temperature variant, the H250 M40 HT measuring device is suitable both for very...

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superior Performance EHEDG certification for use in the food and pharma industries The H250 F M40 is the only variable area flowmeter with EHEDG approval for food and pharmaceutical applications. FDA-compliant materials meet strict hygienic and legal regulations. A design with no dead spaces or stagnation zones as well as the electropolished surface of the wetted parts with a surface roughness Ra <0.8 µm make it difficult for deposits to settle and facilitate proper cleaning. The outstanding properties of the H250 F M40 are used in the pharmaceutical industry in areas such as ultrapure...

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superior Performance Standard measuring range The expanded measuring range provides more process information Depending on the technology, the standard measuring range span of the H250 M40 is 10:1. As an option, it is possible to refine the measuring range span – and this is worldwide unique for measuring devices in this category – to 100:1. This way the otherwise necessary additional measuring devices for small quantities are no longer necessary. Expanded measuring range

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easy Handling The right solution for any installation direction Typically, variable area flowmeters are installed vertically in rising pipes and the product must flow through them from bottom to top. This can lead to considerable expense. The H250 M40 measuring device on the other hand offers you freedom in terms of design as unique versions can be used for horizontal or even descending pipes.

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All KROHNE Messtechnik catalogs and technical brochures

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  6. IFC 100

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  9. BM 26

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  10. OPTISONIC 3400

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  11. OPTIMASS 6400

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  12. MICRO-SET

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  13. ALTOSONIC V12

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  14. DW 18 SERIES

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