Mass Measurement


User-friendly mass flow controller

August 2015 Mass Measurement

EL-Flow Prestige is the next generation of Bronkhorst mass flow meters/controllers for gases. Nearly all core components have been redesigned and many improvements and innovations have been incorporated. With this new series Bronkhorst introduced the ‘differential temperature balancing’ technology to ensure high accuracy and superb sensor stability.

New, power-efficient micro-processors with innovative multistage control loops have been applied to achieve enhanced dynamic behaviour and the new metal housing is of robust yet compact design. EL-Flow Prestige represents a ground-breaking shift in versatility and user-friendliness, featuring an on-board gas conversion model, various fieldbus options and customisable I/O functions.

The control performance is factory adjusted for swift response to setpoint changes, without overshoot. Moreover, the controllers are highly resistant to mechanical shocks and pressure fluctuations that may be caused by other devices consuming gas from the same source. As an option the MFCs can be tuned for extra fast flow response (down to 500 milliseconds) or extra smooth control, depending on the requirements of the user’s process. The dynamic behaviour can also easily be tuned on site by adjusting the controller speed settings via the FlowTune or FlowPlot software tools. These can also be used for device diagnostics or alarm and counter settings.



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