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Senscient ELDS™ Open Path Gas Detectors are sold exclusively by Sensidyne throughout North America with the exception of Texas and Mexico. ELDS™ and SimuGas™ are trademarks of Senscient, Inc. and used with permission.

Senscient ELDS™ 1000 Series Methane

Open Path Gas DetectionELDS 1000 Series Features / Benefits:

  • Reliable, open path detection of methane at levels low enough to provide early warning for leakage of this highly flammable gas.
  • Detection Limits for methane leak detection are orders of magnitude lower than any other OPGD product.
  • No false alarms from any other hydrocarbon gases including diesel fumes or oil mist.
  • True ease-of-installation, with vibration and misalignment tolerant optics.
  • SimuGas™ feature provides ability to accomplish on-demand, remote functionality testing right from the control room or PLC!

Applications:
Offshore Platforms, FPSO’s, Onshore Petrochemical facilities and Refineries.

Theory of Operation:
Using a separate transmitter and receiver configuration, ELDS 1000 Series OPGD systems can detect and measure methane over distances between 5 and 200 m. The ELDS technique measures the Harmonic Fingerprint™ introduced onto the transmitter’s laser beam(s) by absorption by any target gas in the monitored path.

Download Senscient ELDS 1000 Methane Product Data Sheet

Senscient ELDS™ 2000 Series Hydrogen Sulfide

ELDS 2000 Series Features / Benefits:

  • Reliable, open path detection of hydrogen sulfide at levels low enough to protect personnel from the toxic hazard.
  • Faster response than any other hydrogen sulfide detection technology.
  • No need to replace or re-calibrate sensors.
  • True ease-of-installation, with vibration and misalignment tolerant optics.
  • SimuGas™ feature provides ability to accomplish on-demand, remote functionality testing right from the control room or PLC!

Applications:
Offshore Platforms, FPSO’s, Onshore Petrochemical facilities and Refineries.

Theory of Operation:
Using a separate transmitter and receiver configuration, ELDS 2000 Series OPGD systems can detect and measure hydrogen sulfide over distances between 5 and 40 m. The ELDS technique measures the Harmonic Fingerprint™ introduced onto the transmitter’s laser beam(s) by absorption by any target gas in the monitored path.

Download Senscient ELDS 2000 Hydrogen Sulfide Product Data Sheet

Senscient ELDS™ 2000 Series Simultaneous Methane & Hydrogen Sulfide

ELDS 2000 Series Features / Benefits:

  • Reliable, open path detection of both methane and hydrogen sulfide in a single unit.
  • Faster response than any other hydrogen sulfide detection technology.
  • No need to replace or re-calibrate sensors.
  • No false alarms from any other gases including diesel fumes or oil mist.
  • True ease-of-installation, with vibration and misalignment tolerant optics.
  • SimuGas™ feature provides ability to accomplish on-demand, remote functionality testing right from the control room or PLC!

Applications:
Offshore Platforms, FPSO’s, Onshore Petrochemical facilities and Refineries.

Theory of Operation:
Using a separate transmitter and receiver configuration, ELDS 2000 Series OPGD systems can detect and measure methane and hydrogen sulfide over distances between 5 and 40 m. The ELDS technique measures the Harmonic Fingerprint™ introduced onto the transmitter’s laser beam(s) by absorption by any target gas in the monitored path.

In the vast majority of instances, hydrogen sulfide is found as a component of the solution gas or natural gas present at the facility, intimately mixed with predominantly methane. When solution gas or natural gas containing hydrogen sulfide leaks, its components do not separate regardless of the density of the individual gases. It remains intimately mixed and the hydrogen sulfide follows the same leak path as the rest of the gas.

Download Senscient ELDS 2000 Series Simultaneous Methane & Hydrogen Sulfide Product Data Sheet

Senscient ELDS™ 1000 Series Cross-Duct & HVAC

ELDS 1000 Series Cross-duct and HVAC Features / Benefits:

  • Reliable, rapid detection of methane at the lowest levels required for cross-duct and HVAC applications.
  • 100% continuous measurement of the amount of gas in the duct enables rapid detection of gas without the false-alarms associated with systems that make measurement flashes just a few times a second.
  • Fully heated optics and no retroreflector means no problems with condensation or frost.
  • No false alarms from any other hydrocarbon gases including diesel fumes or oil mist.
  • True ease-of-installation, with vibration and misalignment tolerant optics.
  • SimuGas™ feature provides ability to accomplish on-demand, remote functionality testing right from the control room or PLC.

Applications:
HVAC ducts, turbine inlets, turbine acoustic enclosures.

Theory of Operation:
Using a separate transmitter and receiver configuration, ELDS 1000 Series OPGD systems can detect and measure methane in ducts between 0.5m and 5m wide. The ELDS technique measures the Harmonic FingerprintTM introduced onto the transmitter's laser beam(s) by absorption by any target gas in the unit's path.

Download Senscient ELDS™ 1000 Series Cross-Duct & HVAC Product Data Sheet

 

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Copy and images used with permission of Senscient, Inc.

 

Open Path Gas Detection
Open Path Gas Detection
Open Path Gas Detection

ELDS:  Technology Detectable Gases

Hydrogen sulphide H2S
Hydrogen fluoride HF
Hydrogen chloride HCl
Hydrogen bromide HBr
Hydrogen iodide HI
Hydrogen cyanide HCN
Ammonia NH3
Carbon monoxide CO
Carbon dioxide CO2
Oxygen O2
Methane CH4
Ethane C2H6
Propane C3H8
Butane C4H10
Ethylene C2H4
Propylene C3H6
Acetylene C2H2
Methanol CH3OH
VCM C2H3Cl
EDC C2H4Cl2
Consult factory for currently available models.