93 Product descriptionVEGAPULS 62 • Foundation Fieldbus28450-EN-141215213Fig. 1: VEGAPULS 62 - threaded version with plastic housing1 Housing cover with integrated PLICSCOM (optional)2 Housing with electronics3 Process fitting with horn antennaThis operating instructions manual applies to the following instrumentversions:• Hardware version < 2.0.0• Software version ≤ 3.83.2 Principle of operationVEGAPULS 62 is a radar sensor in K-band (emitting frequency ap-prox. 26 GHz) for continuous level measurement.A suitable version of VEGAPULS 62 is available for each area of ap-plication:The version with "thread and horn antenna with ø 40 mm(1.575 in)" is particularly suitable for small tanks and process vesselsfor measurement of virtually all products.The version with "Flange and horn antenna with ø 48 … 95 mm(1.89 … 3.74 in)" is particularly suitable for storage tanks andprocess vessels, for measurement of products such as solvents,hydrocarbons and fuels under most difficult process conditions.The version with "Parabolic antenna" is particularly suitable forprecise measurement of products with small dielectric figure.The electronics version "Increased sensitivity" enables the use ofVEGAPULS 62 also in applications with very poor reflective proper-ties or products with low er value.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 radarScope of this operatinginstructions manualArea of applicationFunctional principle