154 MountingVEGAPULS 69 • HART and accumulator pack47248-EN-1806274 Mounting4.1 General instructionsProtect your instrument against moisture ingress through the followingmeasures:• Use a suitable connection cable (see chapter "Connecting topower supply")• Tighten the cable gland or plug connector• When mounting horizontally, turn the housing so that the cablegland or plug connector point downward• Lead the connection cable downward in front of the cable entry orplug connectorThis applies mainly to outdoor installations, in areas where highhumidity is expected (e.g. through cleaning processes) and on cooledor heated vessels.To maintain the housing protection, make sure that the housing lid isclosed during operation and locked, if necessary.Make sure that the degree of contamination specified in chapter"Technical data" meets the existing ambient conditions.Make sure before mounting that all parts of the instrument exposed tothe process are suitable for the existing process conditions.These are mainly:• Active measuring component• Process fitting• Process sealProcess conditions in particular are:• Process pressure• Process temperature• Chemical properties of the medium• Abrasion and mechanical influencesYou can find detailed information on the process conditions in chapter"Technical data" as well as on the type label.The instrument is suitable for standard and extended ambient condi-tions acc. to IEC/EN 61010-1.The mounting position and orientation of the sensor must take into ac-count the limitations in chapter "For your safety", "Radio approval forUSA" "Radio approval for Canada" of this operating instructions.4.2 Mounting versions, plastic horn antennaThe optional mounting strap allows simple mounting of the instrumenton a wall, ceiling or boom. Especially in the case of open vessels, thisis a simple and effective way to align the sensor to the surface of thebulk solid material.The following versions are available:Protection against mois-tureSuitability for the processconditionsSuitability for the ambientconditionsRadio license for USA/CanadaMounting strap