Det-Tronics Open Path Eclipse - APPENDIX C; ATEX Approval Description

95-855611.3
APPENDIX C
ATEX APPROVAL DESCRIPTION
(Not CE Compliant)
The following items, functions and options describe the ATEX approval.
APPROVAL
Open Path Eclipse Infrared Hydrocarbon Gas Detector, Model OPECL Series.
Receiver Transmitter
0539
FM
APPROVED
®
II 2 G 0539
FM
APPROVED
®
II 2 G
DEMKO 06 ATEX 141002X DEMKO 06 ATEX 141002X
Ex db eb [ib] IIC T5 Gb Ex db eb IIC T5 Gb
T5 (T
amb
–50°C to +60°C) T5 (T
amb
–50°C to +60°C)
EN 60079-29-4 IP66/IP67.
IP66/IP67.
(Receiver without relays) --OR--
--OR-- Ex db IIC T5 Gb
Ex db [ib] IIC T5 Gb T5 (T
amb
–55°C to +60°C)
T5 (T
amb
–55°C to +60°C) IP66/IP67.
EN 60079-29-4
IP66/IP67.
(Receiver with relays)
Performance verified with Methane in accordance with EN 60079-29-4.
HART Communication Port:
U
o
= 3.47V C
o
= 1000µF
I
o
= 117mA L
o
= 2.3mH
ATEX Special Conditions for Safe Use (general):
• The Model OPECL assemblies shall be installed in places where there is a low risk of mechanical damage.
• The field wiring terminal connections are certified for a single wire in size from 0.2 to 2.5 mm
2
, (or two conductors
with same cross section 0.2 to 0.75 mm
2
). The screws must be tightened down with a torque 0.4 to 0.5 Nm.
• The metal housing of the Model OPECL Gas Detector must be electrically connected to earth ground.
• The Model OPECL has an ambient temperature rating for performance of –55°C to +60°C
• See the “Maintenance” section of this manual for guidance on minimizing the risk from electrostatic discharge.
C-1