VEGA VEGADIF 34 … 51 - Manual (Page 3)

VEGADIF 34 … 51 3
20094-EN-030731
Contents
5 Typical installation connections ........................................... 42
5.1 Valves .................................................................................. 42
5.2 Impulse lines ....................................................................... 43
5.3 Differential pressure measurement ................................... 44
5.4 Level measurement ............................................................ 46
5.5 Flow measurement ............................................................. 54
6 Diagnostics ............................................................................... 57
6.1 Error codes ......................................................................... 58
7 Instrument modification ......................................................... 59
Supplement ..................................................................................... 60
CE declaration of conformity ...................................................... 60
EC declaration of conformity ...................................................... 61
Safety information
Please read this manual carefully, and also take
note of country-specific installation standards
(e.g. the VDE regulations in Germany) as well
as all prevailing safety regulations and accident
prevention rules.
For safety and warranty reasons, any internal
work on the instruments, apart from that involved
in normal installation and electrical connection,
must be carried out only by qualified VEGA per-
sonnel.
Note Ex area
Please note the attached safety instructions con-
taining important information on installation and
operation in Ex areas.
These safety instructions are part of the operat-
ing instructions manual and come with the Ex
approved instruments.