See Element process control products at Sensors + Systems

02 August 2011

Burkert Fluid Control Systemsvisit website


See Element process control products at Sensors + SystemsBurkert will be exhibiting its innovative range of Element hygienic and process control products and mass flow controllers at the Sensors + Systems show at Farnborough on 14/15 September 2011. In addition, will be participating in the event's Workshop and Seminar programme.

The varied programme of free workshops and seminars at Sensors + Systems is designed to be relevant to today's industry issues regarding process measurement and control. As an integral part of the programme, Burkert's Global Gas Handling Segment Manager, Dr Jan Schlander, will deliver a talk, on Thursday 15th at 15:00 about flow sensors for gases based on the thermal measurement principle.

Burkert's stand C6 at Sensors + Systems will feature the company's latest products for achieving higher performance, accuracy and reliability in hygienic processing and general process control applications. Principal among the exhibits is the stainless steel Element clean-line system.

Element system

The Element system is said to set a higher benchmark in process measurement and control. It provides a complete systems approach, linking clean-line valves, sensors, positioners and valve actuators in a simple architecture to solve total control loop process problems. Through its modularity, Element saves processing time by offering total control systems for media from slurries to steam, and from de-ionised water to hydrochloric acid.

Products include valves for on/off and modulating control, digital positioners, control heads, actuators, and sensors for pH/ORP, conductivity and level.

Mass flow control

Burkert will also show its Type 8711 mass flow controller (MFC) for gases. The Type 8711 offers the benefits of high accuracy and reproducibility for nominal flow rates, from 20mlN/min to 80lN/min (N2). Key to this performance is the CMOSens technology integrated within the 8711 MFC. This operates according to a thermal principle that has the advantage of delivering the mass flow without any corrections for the required pressure or temperature. The actual flow rate is detected by a sensor embedded in the wall of a specifically designed bypass channel, into which a small part of the total gas stream is diverted, thereby ensuring laminar flow conditions.

The sensor element, a CMOS chip, contains a heating resistor and two temperature sensors (thermopiles) that are arranged symmetrically upstream and downstream of the heater. The differential voltage of the thermopiles is a measure of the mass flow rate passing this bypass channel; the calibration procedure employed ensures a unique assignment of the sensor signal to the total flow rate passing the device.

Burkert provides bespoke versions of the MFC to meet specific customer requirements. In one recent project, Burkert delivered the first prototype of a bespoke MFC design to the customer just nine days after the initial customer visit.

Visit Burkert on Stand C6 at Sensors + Systems to discuss any of the products mentioned above, or contact the company now using the form on this page.

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