IFM's new microwave sensor

September 2006 Sensors & Transducers

The Efector GWR microwave sensor from IFM Electronic is claimed to be the first electronic level sensor for use in small tanks in industrial automation operating on the measuring principle of the guided radar wave. By integrating this technology, tried and tested in the process industry, an economically and technically appealing alternative to the level measurements currently used in machine construction is now possible.

As compared to the currently used systems, the compact microwave sensor features a higher repeatability and it is mainly independent of typical process influences.

The control monitor measures the level using electromagnetic pulses in the nanosecond range. The pulses are transmitted by the sensor head and guided along the probe. When the microwave pulse hits the medium to be detected it is reflected and guided back to the sensor, where it is evaluated.

The sensor is directly mounted in the tank using a G 3/4 process connection or flange plate. If necessary, the sensor rod can be easily shortened and adapted to the tank by the user. Settings of all parameters as well as programming of the switchpoints and indication of the current level are carried out via a 4-digit alphanumeric display.

The Efector GWR is not subject to any mechanical wear and ensures high plant uptime and process safety.

IFM Electronic is represented locally by Shorrock Automation.

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