sewerin VARIOTEC 480 EX - Default Chapter; Table of Contents

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Contents Page
1 General ..................................................................................... 1
1.1 Warranty ................................................................................... 1
1.2 Purpose ..................................................................................... 2
1.3 Intended use .............................................................................3
1.4 General safety information ........................................................4
1.5 Allocation of tasks to applications .............................................5
2 Features ...................................................................................6
2.1 Visual and audible signals ......................................................... 6
2.2 Sensors .....................................................................................8
2.3 Explosion protection .................................................................. 9
2.3.1 Passive explosion protection ..................................................9
2.3.2 Active explosion protection ..................................................10
3 Operation ............................................................................... 11
3.1 General information on operation ............................................ 11
3.1.1 Keys and jog dial .................................................................. 11
3.1.2 Selecting/exiting menus and menu items .............................12
3.1.3 Switching the device on .......................................................12
3.1.4 Selecting/switching application ............................................14
3.1.5 Di󰀨erences between measuring mode and settings mode ..15
3.2 Measuring mode .....................................................................16
3.2.1 Accessing the menu (measuring mode menu structure) ......17
3.2.2 Zero point .............................................................................18
3.2.3 Inspection above ground ...................................................... 19
3.2.4 Measuring in bar holes ......................................................... 20
3.2.5 Ethane analysis ................................................................... 21
3.2.5.1 General information on ethane analysis............................22
3.2.5.2 Purging the detector .......................................................... 24
3.2.5.3 Carrying out an ethane analysis........................................25
3.2.5.4 Evaluating an ethane analysis ..........................................26
3.2.6 Enclosed spaces ..................................................................29
3.2.7 House ................................................................................... 30
3.2.8 Gas measuring ..................................................................... 31
3.2.9 Warning %LEL ....................................................................32
3.2.10 Warning ExTox .....................................................................33
3.2.11 Settings ................................................................................35
3.2.12 Start/stop/save a measurement ...........................................35
3.2.13 Protocols ..............................................................................37