VEGA VEGAVIB 66 - NAMUR - Manual (Page 6)

2.6 SIL conformity
VEGAVIB 66 fulfills the requirements of functional safety
according to IEC 61508/IEC 61511. You can find further
information in the supplementary instructions manual "Safety
Manual - Functional safety (SIL) VEGAVIB series 60".
2.7 Safety information for Ex areas
Please note the Ex-specific safety information for installation
and operation in Ex areas. These safety instructions are part of
the operating instructions manual and come with the Ex-
approved instruments.
2.8 Manufacturer declaration
In conformity with DIN EN 60079-14/2004, para. 5.2.3, point
c1, the VEGAVIB 66 level sensor is suitable for use in zone 2.
The operator must use the instrument as it was intended to be
used and follow the specifications of the following documents:
l
this operating instructions manual
l
this manufacturer declaration (24659)
l
the corresponding installation regulations
Max. increase of the surface temperature during operation: 5 K
(individual components in the instrument)
With an ambient temperature of 70 °C (158 °F) on the housing
and a process temperature of 70 °C (158 °F), the max. ambient
temperature during operation is 75 °C (167 °F).
Measures for maintaining explosion protection during oper-
ation:
l
For connection to amplifier according to NAMUR
IEC 60947-5-6, approx. 8.2 V
l
Operate the instrument in the range of the specified
electrical limit values. Permissible supply voltage: see
"Technical data"
l
Mount and operate the instrument in such a way that no
ignition danger is expected by electrostatic charges. The
process fitting, the plastic-coated/covered probe part or the
housing are made of electrically non-conductive plastic
(depending on the version).
l
Make sure that the seal is mounted correctly between the
lower part of the housing and the cover. Screw the cover
on tightly.
6 VEGAVIB 66 - with NAMUR output
For your safety
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-EN
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