ADVERTISEMENT FEATURE COVER STORY
NEW LOW-COST COMPACT 80GHZ LEVEL SENSORS
VEGA Controls has extended its family of radar level measurement devices, offering a real alternative to ultrasonic technology and savings for the water and waste water industries
V
EGA has extended its proven VEGAPULS family for continuous
level measurement. The new radar instrument series is based on the latest FMCW 80-GHz technology and, thanks to a specially developed radar level microchip and low price, it represents a real alternative to ultrasonic technology. It makes it highly economical for those applications found in the water/wastewater sector, or auxiliary applications in process automation. The compact loop powered radar is available in two versions: as compact model with a cable connection housing and as standard model with fixed cable connection (IP68).
Strong focusing ensures measurement without the jumps With 80-GHz technology, the radar beam is much more focused and can be
aimed at the measured medium with pinpoint accuracy. As a result, narrow shafts or deposits on vessel walls or internals such as pipes or pumps cannot create false signals and jumping outputs. So in contrast to ultrasonic technology, radars very rarely require false signal suppression in busy wet well shafts.
No dead zones for measurement in confined spaces One special advantage of these new sensors is they have no dead/blanking zone, thus enabling them to measure right up to the top of the vessel. Typical areas of application are places where space is limited with measurement or head-space, like underground assets; including CSO’s and sewers, in culverts, underside of bridges, pipes, as well as small tanks or hoppers when capacity is at a premium.
12 DECEMBER 2019/JANUARY 2020 | PROCESS & CONTROL
VEGA has a new range of compact 80GHz radar sensors for the water and waste water sectors (above)
Handles Build-Up Sensors constantly struggle with the problem of build up, maintenance call outs to ultrasonic devices ‘needing a wipe’ are widely reported in the sector. This is because contamination or condensation on the ultrasonic sensor face can greatly affect the reliability of the measurement signal and enlarge the dead zone. Using radar technology, the situation is different, a combination of the measuring principle and optimized signal processing enables these radar sensors to ignore interference caused by build-up on their antenna system, which means they are immune to the effects of condensation and highly resistant to dirt and normal build up levels, reducing nuisance outages and cleaning.
Chemicals and EX approval Storage and buffer tanks supply the
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