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VEGAPULS WL 61 - 4 … 20 mA/HART - two-wire

VEGAPULS WL 61 - 4 … 20 mA/HART - two-wire

VEGAPULS WL 61 - 4 … 20 mA/HART - two-wire

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4 MountingFig. 12: Rotation in the centre with ceiling mountingFig. 13: Adjustment of the angle of inclination in case of wall mountingTight installation of theplastic horn antennaPolarisation plane4.4 Instructions for installationFor tight installation of the version with plastic horn antenna with compressionor adapter flange, the following conditions must be fulfilled:1. Use suitable flat seal, e.g. of EPDM with Shore hardness 25 or 502. Make sure the number of flange screws corresponds to the numberof flange holes3. Tighten all screws with the torque stated in the technical dataThe emitted radar impulses of the radar sensor are electromagneticwaves. The polarisation plane is the direction of the electrical wavecomponent. By turning the instrument in the connection flange ormounting strap, the polarisation can be used to reduce the effects offalse echoes.The position of the polarisation level is marked by marking bars on theinstrument.380<strong>61</strong>-EN-121011<strong>VEGAPULS</strong> <strong>WL</strong> <strong>61</strong> • 4 … <strong>20</strong> <strong>mA</strong>/<strong>HART</strong> - <strong>two</strong>-<strong>wire</strong>17

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