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Det-Tronics OPECL - User Manual

Det-Tronics OPECL
23 pages
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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
DET-TRONICS
®

Questions and Answers

  • J
    John WilsonAug 1, 2025
    What to do if Det-Tronics OPECL Security Sensors have calibration fault?
    • A
      Ann MooreAug 1, 2025
      A calibration fault on Det-Tronics Security Sensors occurs if the calibration process times out. To resolve this, you must complete a successful calibration to reset the fault.
  • P
    Paula SmithAug 7, 2025
    What to do if calibration line is active at start-up in Det-Tronics OPECL Security Sensors?
    • B
      Billy CollinsAug 7, 2025
      To clear this fault, correct the wiring and reapply power to the Det-Tronics Security Sensors. Ensure the calibration line is not shorted and the calibration switch is open. If the fault persists, consult the factory.
  • H
    hdavisAug 12, 2025
    What to do if Det-Tronics Security Sensors have low 24 volts?
    • C
      Crystal BridgesAug 12, 2025
      If your Det-Tronics Security Sensors are showing a low 24 volts, it means the 24 VDC operating voltage is out of range. First, check the wiring to the detector and ensure the power source is outputting the correct voltage. Once the voltage issue is resolved, the power supply faults should clear automatically. If the fault persists after correcting the voltage, you may need to consult the factory.
  • B
    Brandy ThompsonAug 19, 2025
    Why Det-Tronics OPECL have negative signal output?
    • R
      Richard HughesAug 19, 2025
      A negative signal output on Det-Tronics Security Sensors often doesn't compromise detection. This usually happens because the device was zero calibrated with background gas present. If this condition continues, purge the sensor with clean air and then repeat the zero calibration process.
  • K
    Kim TapiaAug 25, 2025
    What to do if Det-Tronics OPECL Security Sensors display EE Error?
    • R
      Robert AlvarezAug 26, 2025
      If your Det-Tronics Security Sensors are showing an EE Error, cycling the power to the device should correct this fault.

Summary

APPLICATION

OPERATION OVERVIEW

THEORY OF OPERATION

Explains how hydrocarbon gas absorption in IR wavelengths is measured.

SPECIFICATIONS

IMPORTANT SAFETY NOTES

CAUTIONS, LIABILITIES, AND ESD PRECAUTIONS

Provides critical warnings, liability information, and handling precautions for sensitive devices.

INSTALLATION

IDENTIFICATION OF VAPOR(S) AND LOCATION PLANNING

Emphasizes identifying target vapors and planning detector placement for effective detection.

MODULE INSTALLATION PROCEDURE

Step-by-step guide for installing both transmitter and receiver modules.

POWER SUPPLY AND WIRING REQUIREMENTS

Outlines necessary 24 VDC power supply and cabling specifications for installation.

ALIGNMENT

Basic Alignment Procedure

Step-by-step guide for basic optical alignment using an alignment kit.

CALIBRATION

MAINTENANCE AND TROUBLESHOOTING

TROUBLESHOOTING GUIDE

Provides a table to diagnose and correct common fault conditions and malfunctions.

APPENDIX A HART COMMUNICATION

Det-Tronics OPECL Specifications

General IconGeneral
BrandDet-Tronics
ModelOPECL
CategorySecurity Sensors
LanguageEnglish

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