Bronkhorst Cori-Tech has released a new option for its mini CORI-FLOW™ series of mass flow meters for low flow rates. The compact flow meters, operating via the Coriolis principle, are now available with IECEx and ATEX approval II 2G Ex d IIB T6 for use in hazardous areas.
The Netherlands-based company explains that the instrument is built into a rugged enclosure with a separated compartment for the electronics. The flow meters, suitable for both liquid and gas flow applications, cover flow rates from 0.1 g/h to 30 kg/h and can be used in systems with pipeline pressures up to 140 bar (2000 psi).
The unique design of the miniature Coriolis sensor features superior response time and high accuracy, irrespective of changing operating conditions with regard to pressure, temperature, density, conductivity and viscosity.
Mini CORI-FLOW™ mass flow meters offer integrated PID control for close-coupled control valves or pumps, constituting compact Coriolis mass flow control loops. The instruments offer both analog and RS-232 communication, optional fieldbus interfaces and additional functions such as alarms, totalizer (to measure fluid consumption) and batch dosing.
The mass flow meters feature fluid temperature and density as secondary digital outputs. As an option, the Coriolis flow meter can be equipped with a heater to prevent condensation or solidification inside the instrument.
Applications can be found in process control systems as for example in food, chemical and petrochemical plants.
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