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Original KROHNE H250 RR M40 Metal Tube Rotameter
The original KROHNE H250 RR M40 metal tube rotameter is a premium German-manufactured variable-area flow meter widely adopted in global process industries. Featuring professional RR wide-range design and M40 intelligent indicator module, this industrial flow meter integrates on-site visualdisplay, long-distance signal remote transmission and full explosion-proof performance, making it a versatile and reliable solution for accurate flow monitoring of liquids, gases and vapors in harsh industrial environments.


Equipped with dual core functions of explosion-proof certification and remote transmission, this metal tube rotameter meets strict hazardous area requirements with authoritative Ex d and Ex i explosion-proof grades. It can operate safely in flammable and explosive scenarios such as petrochemical, oil and gas, pharmaceutical and chemical plants. The built-in M40 module supports real-time local display for on-site reading, while outputting standard 4-20mA and HART remote signals to connect with PLC and DCS systems, realizing centralized remote monitoring and automatic data recording.
With reliable original quality, explosion-proof safety, dual local and remote display functions and strong environmental adaptability, this KROHNE flow meter has become a mainstream choice for global industrial fluid measurement. It provides stable, precise and cost-effective flow monitoring solutions for various complex industrial working conditions, winning wide recognition from overseas engineering and manufacturing customers.






