Rheonik Messtechnik GmbH

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Rheonik Messtechnik GmbH is recognized as the world leader in high-pressure Coriolis mass flow meters for hydrogen dispensing, having worked with all major hydrogen suppliers since the outset of the hydrogen fuel cell industry to produce flow meters capable of handling the extreme pressures associated with hydrogen distribution and dispensing. The company's patented Omega tube design enables its Coriolis flow meters to operate at pressures up to 1,722 bar with precision of 0.05%-0.1%, having developed the first Coriolis flow meters rated to 1,000 bar specifically for hydrogen refueling, approved to OIML R139 and MI002/OIML R137 standards for legal metrology compliance at hydrogen stations. The vast majority of hydrogen dispensers worldwide are fitted with Rheonik flow meters, which reliably measure hydrogen refueling at pressures up to 700 bar for cars and 350 bar for trucks/buses at temperatures of -40 degrees C, with a large measurement turndown handling the flow regime from high flow at fill start to low flow at fill end, and the ability to measure hydrogen in both liquid and gas states. Rheonik continues supplying hydrogen flow measurement technology essential to accurate, certified refueling infrastructure worldwide.