The CNGmass Coriolis flowmeter series is approved by NTEP and five other standards organizations for custody transfer of compressed natural gas (CNG) and fueling vehicles with CNG. It measures mass flow up to 330 lb/min (150 kg/min) at fluid temperatures up to 257 ĀŗF (125 ĀŗC) and pressures to 5080 psi (350 bar). It is approved for use in hazardous areas by UL, ATEX, FM, cCSAus and NEPSI.