2ContentsVEGABAR 82 • 4 … 20 mA45027-EN-190320Contents1 About this document ............................................................................................................... 41.1 Function ........................................................................................................................... 41.2 Target group ..................................................................................................................... 41.3 Symbols used................................................................................................................... 42 For your safety ......................................................................................................................... 52.1 Authorised personnel ....................................................................................................... 52.2 Appropriate use ................................................................................................................ 52.3 Warning about incorrect use............................................................................................. 52.4 General safety instructions ............................................................................................... 52.5 EU conformity ................................................................................................................... 62.6 Permissible process conditions ........................................................................................ 62.7 NAMUR recommendations .............................................................................................. 62.8 Installation and operation in the USA and Canada ........................................................... 62.9 Environmental instructions ............................................................................................... 73 Product description ................................................................................................................. 83.1 Configuration .................................................................................................................... 83.2 Principle of operation........................................................................................................ 93.3 Supplementary cleaning procedures.............................................................................. 133.4 Packaging, transport and storage ................................................................................... 133.5 Accessories and replacement parts ............................................................................... 144 Mounting ................................................................................................................................. 154.1 General instructions ....................................................................................................... 154.2 Ventilation and pressure compensation.......................................................................... 164.3 Process pressure measurement..................................................................................... 184.4 Level measurement ........................................................................................................ 204.5 External housing ............................................................................................................ 215 Connecting to power supply................................................................................................. 225.1 Preparing the connection ............................................................................................... 225.2 Connecting ..................................................................................................................... 235.3 Ex-d-ia double chamber housing.................................................................................... 255.4 Single chamber housing ................................................................................................. 255.5 Housing IP 66/IP 68 (1 bar) ............................................................................................ 265.6 External housing with version IP 68 (25 bar)................................................................... 265.7 Switch-on phase............................................................................................................. 286 Set up with the display and adjustment module ................................................................ 296.1 Insert display and adjustment module ............................................................................ 296.2 Adjustment system ......................................................................................................... 306.3 Measured value indication.............................................................................................. 316.4 Parameter adjustment - Quick setup .............................................................................. 326.5 Parameter adjustment - Extended adjustment................................................................ 326.6 Saving the parameterisation data ................................................................................... 457 Setup with PACTware ............................................................................................................. 467.1 Connect the PC .............................................................................................................. 467.2 Parameter adjustment with PACTware ............................................................................ 467.3 Saving the parameterisation data ................................................................................... 47