MSA Senscient ELDS™ Open Path Gas Detector

MSA Senscient ELDS™ Open Path Gas Detector


The Senscient ELDS laser-based open-path gas detector is available for a wide range of toxic and flammable gases.



The Senscient ELDS laser-based open-path gas detector is available for a wide range of toxic and flammable gases. The Senscient ELDS uses 'SimuGas' self-testing to prevent employees from entering dangerous areas for gas checks. Obnoxious false alarms are virtually eliminated with the ground-breaking Harmonic Fingerprint Processing.

This product is available in several options and therefore the price is upon request. For more information and pricing, please contact us at


  • Gases detected: hydrogen sulphide (H2S), sour gas (H2S / CH4), methane (CH4), ethylene (C2H4), ammonia (NH3), carbon dioxide (CO2), hydrogen chloride, (HCl), hydrogen fluoride (HF)
  • Gas Harmonic Fingerprint Detection eliminates false alarms and prevents plant downtime
  • SimuGas automatic function checks are logged daily and eliminate manual intervention
  • Tunable lasers scan a narrower part of the spectrum where water interference from weather is minimized
  • Bluetooth wireless technology and SITE software simplify commissioning, diagnosis and retrieval of event logs
  • Senscient ELDS lasers are fog, rain and snow resistant but are easy on the eyes with a Class 1 Eye Safety Rating.
  • Fastest responding device for safety-critical ventilation zone and cross-duct applications
  • No expensive communication cable required between transmitter and receiver
  • Significantly improves the safety, efficiency and operational costs of your gas detection programme

More Information

More Information
Response time T90 ≤ 3 seconds
Repeatability <± 5% FSD
Linearity <± 5% FSD
Humidity 0 - 100% RH (non-condensing)
Operating temperature range -55°C to +60°C (-67°F to 140°F)
IP Protection IP66/67
Housing 316L Stainless steel
Vibration 10 - 150 Hz, 2 G
Weight 12 kg