IMPORTANT
Be sure to read and understand the entire instruc-
tion manual before installing or operating the gas
detection system. This product is intended to pro-
vide early warning of the presence of a flammable
or explosive gas mixture. Proper device installa-
tion, operation, and maintenance is required to
ensure safe and effective operation.
APPLICATION
The Open Path Eclipse
™
Model OPECL is an open path
infrared gas detection system that provides continuous
monitoring of combustible hydrocarbon gas concentra-
tions in the range of 0 to 5 LEL-meters. Standard sys-
tem outputs include an electrically isolated/non-isolated
4-20 mA dc current output, with HART communication
and RS-485 MODBUS communication.
The system consists of two stainless steel modules — a
transmitter and a receiver, along with mounting fixture
hardware. Both modules are powered from an external
24 volt DC supply. The receiver provides the measure-
ment signal outputs, and is furnished with an onboard
"status indication" LED and an internal magnetic calibra-
tion switch. The transmitter houses redundant xenon
flashlamps. Both modules are installed at approximate-
ly the same elevation and must be aligned to point
directly at one another. No direct electrical interconnec-
tion between the two modules is required.
The Open Path Eclipse is ideal for use in harsh outdoor
environments and is certified for use in Class I, Division
1 and Division 2 hazardous areas. It can be used as a
stand-alone detector, or as part of a larger facility pro-
tection system using other Det-Tronics equipment such
as the R8471 Series Controller or the Eagle Quantum
Premier Fire and Gas Detection/Releasing System.
INSTRUCTIONS
Infrared Hydrocarbon Gas Detector
Open Path Eclipse
™
Model OPECL
1.1 ©Detector Electronics Corporation 2004 1/04 95-8556
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