93 Product descriptionVEGAPULS WL 61 • Foundation Fieldbus38063-EN-160224This operating instructions manual applies to the following instrumentversions:• Hardware from 1.0.0• Software from 4.4.0The scope of delivery encompasses:• Radar sensor• Optional mounting accessory• Documentation– Quick setup guide VEGAPULS WL 61– Instructions for optional instrument features– Ex-specific "Safety instructions" (with Ex versions)– If necessary, further certificates• DVD "Software", included therein– PACTware/DTM Collection– Driver softwareInformation:In the operating instructions manual, the optional instrument featuresare described. The respective scope of delivery results from the orderspecification.3.2 Principle of operationThe radar sensor VEGAPULS WL 61 is the ideal sensor for all appli-cations in the water and waste water industry. It is particularly suitablefor level measurement in water treatment, in pump stations as well asstorm water overflow tanks, for flow measurement in open flumes andfor gauge measurement.The antenna of the radar sensor emits short radar pulses with aduration of approx. 1 ns. These pulses are reflected by the productand received by the antenna as echoes. The transit time of the radarpulses from emission to reception is proportional to the distance andhence to the level. The determined level is converted into an appropri-ate output signal and outputted as measured value.3.3 Packaging, transport and storageYour instrument was protected by packaging during transport. Itscapacity to handle normal loads during transport is assured by a testbased on ISO 4180.The packaging of standard instruments consists of environment-friendly, recyclable cardboard. For special versions, PE foam or PEfoil is also used. Dispose of the packaging material via specialisedrecycling companies.Transport must be carried out in due consideration of the notes on thetransport packaging. Nonobservance of these instructions can causedamage to the device.Scope of this operatinginstructions manualScope of deliveryApplication areaFunctional principlePackagingTransport