CiDRA Sonar Process Monitoring System - Manual (Page 17)

7
OPERATING CONDITIONS UNDER WHICH THIS
PRODUCT MAY BE SAFELY USED
7.1 Scope
These are the criteria under which it is safe to install the ATEX Zone 2
rated products:
The system comprised of: Transmitter TB8-xx-xx-xx-03 with Sensor
Head SH-xxx-xx-xA-xxx-03, or
The system comprised of: Standalone Transmitter TB8-xx-xx-xx-04
with separately certified sensor head
7.2 Hazardous Rating Location of Facility Where It Is To Be
Installed
7.2.1 System including TB8-xx-xx-xx-03 Transmitter
The TB8-xx-xx-xx-03 Transmitter must be installed in an area that is
rated as Non-Hazardous or ATEX Zone 2. The SH-xxx-xx-xA-xxx-03
Sensor Head must be installed in an area that is rated as Non-
Hazardous or ATEX Zone 2. The cable connecting the TB8-xx-xx-xx-
03 Transmitter and the SH-xxx-xx-xA-xxx-03 Sensor must be routed
through areas that are rated Non-Hazardous or ATEX Zone 2 and
must not exceed 114 meters (375 feet) in length.
The cable between the Transmitter and Sensor Head should be
installed per the applicable electric codes of that jurisdiction and/or per
the guidance of EN 60079-14 for this Zone 2 non-incendive (energy-
limited) field wiring. The Sensor 1 and Sensor 2 inputs are also non-
incendive field wiring.
None of the other wiring is non-incendive field wiring. This wiring must
be wired per the applicable electric codes of that jurisdiction and/or
per the guidance of EN 60079-14 wiring techniques for Zone 2
incendive wiring if any part of that wiring is in a Zone 2 area. Cable
glands used should preserve the IP 55 and ATEX rating of the
enclosure. Refer to paragraph 8.3.1 for information on the selection of
cable glands.
7.2.2 System including TB8-xx-xx-xx-04 Transmitter
The TB8-xx-xx-xx-04 Transmitter must be installed in an area that is
rated as Non-Hazardous, or ATEX Zone 2. All of its interfaces must
be treated as incendive and wired per the applicable electric codes of
that jurisdiction and/or per the guidance of EN 60079-14 wiring
techniques for Zone 2 incendive wiring if any part of the wiring is in a
Zone 2 area. Cable glands used should preserve the IP 55 and ATEX
20909-01C Rev 04 Page 7-1