EL-FLOW® Mass Flow Meters for Gases

     Instruments of the EL-FLOW series are mass flow meters and controllers in modular construction with an electronics housing suitable for common laboratory type and non-weatherproof industrial type ambient conditions. In order to convert a mass flow meter to a controller, a control valve is used. These series comprise gas flows between the smallest range of 0.06...3 mln/min and the highest range of 25...1250 ln/min. The pressure drop is approx. 35 mbar at maximum flow for the F-110C/ F-111C series and approx. 70 mbar for the F-112AC/F-113AC series.

FEATURES

     No moving parts; all metal surfaces electro-chemically polished; fast response time; flow computer not needed; temperature measurement not needed; pressure measurement not needed; low pressure drop; operating pressures up to 400 bar (higher on application); virtually attitude insensitive.

APPLICATIONS

     Analysis and environmental measurements; gas flow control in the food, chemical, petro-chemical and pharmaceutical industries; gas flow consumption measurement for internal accounting purposes; measurement of gas flow development in batteries; permeability measurement in filters and membranes; flow measurement in orifices; measurement of H₂ flow in hydrogenation processes.

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