2 european zone 2 rated equipment, European zone 2 rated equipment -3 – CiDRA SONARtrac PW VF-100 User Manual
Page 21

20831-01 Rev 05
Page 5-3
5.1
Class I, Division 2, Groups A, B, C, and D Rated
Equipment
As a rule, installation or removal of Sensor Heads in Hazardous areas
should not be performed without a hot work permit indicating that the
areas where the sensor band is to be handled are free of explosive
gasses.
Check to make sure that the ambient and process temperatures of the
installation location are consistent with the temperature ratings of the
Sensor Head (see Appendix A).
Equipment so marked is suitable for use in Class I, Division 2,
Groups A, B, C, and D or non-hazardous locations only.
WARNING
– EXPLOSION HAZARD – Do not disconnect
equipment unless power has been removed or the area is known
to be non-hazardous.
WARNING
– EXPLOSION HAZARD –Substitution of components
may impair suitability for Class I, Division 2.
WARNING
– EXPLOSION HAZARD –Ensure a sensor band
shorting plug is installed on the sensor band cable connector
during installation and removal from process pipe.
5.2
European Zone 2 Rated Equipment
As a rule, installation or removal of Sensor Heads in Hazardous areas
should not be performed without a hot work permit indicating that the
areas where the sensor band is to be handled are free of explosive
gasses.
Check to make sure that the ambient and process temperatures of the
installation location are consistent with the temperature ratings of the
Sensor Head (see Appendix A).
Warnings for ATEX Zone 2 equipment are very similar to the warnings
for Division 2, above. The SONAR PROCESS MONITORING
SYSTEM SUPPLEMENT FOR ATEX ZONE 2 SAFETY provides
additional information and warnings for ATEX Class I, Zone 2
installations.