73 MountingVEGAPULS 61 • Profibus PA47106-EN-1611043 Mounting3.1 Collar or adapter flangeFor mounting the instrument on a socket, a combi compression flangefor DN 80 (ASME 3" or JIS 80) is also available for retro fitting. Option-ally, the instrument can be also equipped with an adapter flange fromDN 100 (ASME 4" or JIS 100).With the housing versions plastic, aluminium single chamber andstainless steel, the collar flange can be placed directly over the hous-ing. With the aluminium double chamber housing, retroactive mount-ing in this way is not possible - the mounting type must be specifiedwith the order.You can find drawings of these mounting options in chapter "Dimen-sions".Fig. 2: Flange mounting of the radar sensor3.2 Mounting preparations, mounting strapThe mounting strap enables simple mounting on the vessel wall orsilo top. It is suitable for wall, ceiling or boom mounting. Especially inopen vessels this is a very easy and effective way to align the sensorto the bulk solid surface.The strap is supplied unassembled and must be screwed to thesensor before setup with three hexagon socket screws M5 x 10 andspring washers. Max. torque, see chapter "Technical data". Requiredtools: Allen wrench size 4.There are two ways to screw the strap onto the sensor. Dependingon the selected version, the sensors can be swivelled in the strap asfollows:• Single chamber housing