VEGAPULS 69 supplies exact measured values for reliable production of high-quality chocolate

Everyone knows the chocolate bars from RITTER SPORT. Quality, safety and efficiency have top priority in their production. The process starts with the storage of raw materials, for example in the silo building with the six stainless steel silos, three of which are intended for milk powder and three for lactose. From there, the ingredients are distributed into the day silos before they are weighed and blended together with other components in the mixing unit.

The environment in the silos is not exactly a friendly one for level gauges. Temperatures inside are sometimes very high. This places special demands on the sensors. When the silos are being filled, overpressure can build up if the filters get clogged. VEGABAR 82 pressure transmitters are deployed here and for overfill protection, VEGAVIB 63 sensors  are used. Together, these instruments protect against excessive pressure and overfilling in the vessel.

 

In the silos, the level of milk powder and lactose is measured and recorded.

 

Reliable measured values
When VEGA recommended the radar level sensor for bulk solids, VEGAPULS 69, which was launched on the market in 2016, the Waldenbuch chocolate maker was amazed by the vastly more accurate measuring results and the distinct echo curves. This non-contact radar sensor operates at the very high frequency of 80 GHz. The direct effect of this higher measuring frequency: Instead of 10°, a DN 80 antenna generates a beam angle of only 3°. As a result, focusing is much tighter and media with poor reflective properties can be detected much more reliably. In addition, the instrument is completely unaffected by buildup, dust or internal vessel installations. Thanks to its particularly good focusing and large dynamic range, VEGAPULS 69 detects poorly reflecting bulk solids reliably even at distances of up to 120 m. Although the 11 meter-high silos at RITTER SPORT are not extremely high, the nominal range of the sensor bespeaks the tremendous performance reserves of this measurement technology. The level measuring process is also extremely fast: The cycle time is less than one second with an accuracy of ±5 mm.

 

The Bluetooth function now makes it possible to adjust the sensor wirelessly from a distance of approx. 25 m.


VEGA Italia srl
Via Enrico Fermi 8 - 20090 Assago - MI
Tel.: +39 02 8914081 - Fax: +39 02 89140840
Email: This email address is being protected from spambots. You need JavaScript enabled to view it. - www.vega.com/it

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