Dräger VarioGard - Page 41

83
Index
Electrical installation ................................................................................ 50
Emergency power supply, installation layout ............................................ 52
Enter key ................................................................................................. 66
Entering the password ............................................................................. 67
Error messages ................................................................................. 61, 62
Escape key .............................................................................................. 66
Explosion-hazard areas ...................................................................... 45, 47
Factory default settings ........................................................................... 58
Faults ................................................................................................ 60, 61
Installation ............................................................................................... 48
Installation layouts ................................................................................... 52
Intended use ........................................................................................... 46
Liability .................................................................................................... 45
Maintenance ..................................................................................... 45, 63
Maintenance menu .................................................................................. 66
Measuring error ....................................................................................... 79
Measuring principle ................................................................................. 80
Measuring range ..................................................................................... 79
Measuring specifications ......................................................................... 79
Mechanical installation ............................................................................. 49
Menu mode ............................................................................................. 66
Menu structure ........................................................................................ 66
NH
3
transmitter, measuring principle ....................................................... 80
NO transmitter, measuring principle ......................................................... 80
Number exposure .................................................................................... 71