VEGA VEGABAR 81 Save sensor - Operating Instructions - Manual (Page 2)

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Contents
VEGABAR 81 • Slave sensor for electronic differential pressure
45049-EN-131011
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbolism used ............................................................................................................... 4
2 For your safety
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use ................................................................................................................ 5
2.3 Warning about incorrect use ............................................................................................. 5
2.4 General safety instructions ............................................................................................... 5
2.5 CE conformity ................................................................................................................... 5
2.6 Measuring range - permissible process pressure ............................................................. 6
2.7 Environmental instructions ............................................................................................... 6
3 Product description
3.1 Configuration .................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Packaging, transport and storage ..................................................................................... 9
3.4 Accessories and replacement parts ............................................................................... 10
4 Mounting
4.1 General instructions to use the instrument ..................................................................... 11
4.2 Ventilation and pressure compensation .......................................................................... 12
4.3 Combination Master - Slave ........................................................................................... 14
4.4 Level measurement ........................................................................................................ 15
4.5 Differential pressure measurement ................................................................................ 15
4.6 Interface measurement .................................................................................................. 16
4.7 Density measurement .................................................................................................... 17
4.8 External housing ............................................................................................................ 18
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 19
5.2 Connecting ..................................................................................................................... 19
5.3 Single chamber housing ................................................................................................. 20
5.4 External housing with version IP 68 (25 bar)................................................................... 21
5.5 Connection example ...................................................................................................... 23
6 Set up with the display and adjustment module
6.1 Parameter adjustment - Quick setup .............................................................................. 24
6.2 Parameter adjustment - Extended adjustment................................................................ 27
7 Diagnosis, asset management and service
7.1 Maintenance .................................................................................................................. 37
7.2 Rectify faults ................................................................................................................... 37
7.3 Exchanging the electronics module ................................................................................ 37
7.4 Exchange process assembly with version IP 68 (25 bar) ................................................ 37
7.5 How to proceed in case of repair .................................................................................... 39
8 Dismounting
8.1 Dismounting steps.......................................................................................................... 40
8.2 Disposal ......................................................................................................................... 40
9 Supplement