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                                         Senscient 
										ELDS™ Series 2000 H2S+CH4Simultaneous Methane & Hydrogen Sulfide
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								Fulfilling the promise of open path gas 
								detection (OPGD)  
 PRODUCT DESCRIPTION
 
 About 
								Senscient ELDS OPGD
 ELDSTM is a patented, new open path 
								gas detection (OPGD) technology from Senscient. 
								The innovative Enhanced Laser Diode Spectroscopy 
								(ELDS) detection technology featured in our ELDS 
								Series of open path gas detectors truly fulfills 
								the promise of fit-and forget open path gas 
								detection...
 
 • Reliable 
								detection of both toxic & flammable gases.
 • Industry’s first false-alarm free Open Path 
								Gas Detector. ELDS detection is molecular 
								species specific, eliminating false alarms from
 common atmospheric or non-hazardous gases that plague traditional OPGD 
								(or any NDIR or LDS technology) systems.
 • FIRST and ONLY open path toxic gas detector to 
								meet current industry Safety Performance 
								Standards.
 • FIRST and ONLY gas detector with SimuGas™, an 
								electronic, remote functionality check.
 • 3 orders of magnitude greater sensitivity for 
								combustible gases versus conventional OP 
								systems.
 • Up to 60% reduction in gas detection project 
								Cap Ex and COO, with true Fit-&-Forget 
								functionality.
 • Backed by a network of industry leading gas 
								detection solutions providers.
 
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 Senscient ELDS Series 2000 H2S+CH4 
										Detector
 
 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.
 • SimuGasTM 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, Senscient ELDS 
										Series 2000 H2S+CH4 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.
 
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										| “The ELDS™ and SimuGas™ 
										trademarks and the Senscient company 
										logo are being used with the express 
										permission of Senscient, Inc. in support 
										of the distribution of its products by 
										(the Distributor). 
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										    | Distributed 
										      & Serviced By Work : | M/s. Pollution 
										      Protection Systems Mumbai Pvt. Ltd. |  
										    |  | 226, Devendra 
										      Indl. Estate, Yashodhan Nagar, Thane (W) 
										      – 400606 |  
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										    |  | Web:  www.ppsmumbai.com |  
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