Sensor uses radar for substance measurement

By George Reynolds

- Last updated on GMT

Related tags: Measurement

A new measurement device uses radar to monitor levels of
substances used in processing plants, its manufacturer claims.

Endress+Hauser said its Levelflex M offers continuous level measurement of liquid and bulk solids stored in vacuum vessels and filler bowls. Monitoring levels of substances is important not only for filling, but also for mixing ingredients during food processing. Measurement of stocks and supplies allows processors to control order levels, preventing shortages and surpluses. The top mounted transmitter is unaffected by fluctuations in density and temperature across a 100ft (30m) range, the company claims. The radar technology can also handle measurement of powdery and granular bulk materials, even with dust clouds from pneumatic filling and precise measurement of liquids despite foam and turbulent surfaces, claims the manufacturer. The Levelflex M provides processors with another option to ultrasonic measurement, which often is limited by dust and small, narrow silos and bins, company claims. The four-line plain text on-site display or remote display via a computer enables increased operator flexibility, the manufacturer claims. The envelope curves on the on-site display allow for simple diagnosis, and the time-of-flight (ToF) operating program that is supplied enables easy operation, diagnosis, and measuring point documentation, claims E+H. E+H said the transmitter is factory calibrated and can be installed in silos that are already full, reducing integration problems, set up time and related costs. The 4-20 mA two-wire technology simplifies installation and also enables easy integration into existing systems, the company claims. Three probe versions available are designed for specific applications. Cable probes allow measurement in bulk solids and liquids, rod Probes measure in liquids and solids and coax probes measure in liquids only. This version can be installed in storage and buffer tanks, even those equipped with agitators, since the measurement is independent of other elements within the tank and of the installation of the nozzle. E+H said the Levelflex meets 3-A sanitary standards and is available in three interfaces for system integration. Probes are available from the company with various process connections. Endress+Hauser manufacturers measurement equipment and has subsidiaries in many countries across the world with representations in most.

Related topics: Processing & Packaging

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