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Gas Detectors

Gas Detector - ExDetector IRCO2 / IRHC

Bieler + Lang GmbH

  • Detects carbon dioxide (CO₂)
  • Monitors gases and vapours capable of forming explosive mixtures
  • Detects a variety of combustible gases and vapours
  • Certified for use in Ex-zones 1 and 2
  • Operates in a wide temperature range

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Description Vendor

The ExDetector IRCO2 / IRHC is a gas detection and warning system designed for use in hazardous areas (Ex-zones 1 and 2). It detects carbon dioxide (CO₂) and combustible gases/vapours that can form explosive mixtures. The system uses NDIR (non-dispersive infrared) technology for accurate measurement and provides real-time monitoring, warnings, and protective measures. It features a linear 4-20 mA output, three-conductor technology, and is certified for use in explosive environments. The system includes a sensor, controller, and controllable devices like fans and warning signs. It is equipped with a wide measurement range, with the IRCO2 model detecting CO₂ up to 2.0 vol% and the IRHC model monitoring gases up to 100% LEL. The system is also designed for easy calibration and maintenance, with optional calibrators and explosion-protected operation.

Use Cases

  • Monitoring gases and vapours capable of forming an explosive mixture
  • Measurement and display of the current concentration of gases and vapours
  • Monitoring and warning of the presence of these gases
  • Initiating protective measures such as technical and organisational actions

Capabilities

  • Detection of carbon dioxide CO₂
  • Monitoring of combustible gases/vapours
  • Providing visual and acoustic warnings
  • Initiating protective measures
  • Linear measurement signal output
  • Certified for use in hazardous areas
Bieler + Lang GmbH Bieler + Lang GmbH is a German gas detection systems manufacturer, based in Achern, with over 50 years of experience specifically in hydrogen leak detection technology. The company's ExDetector HC 100 and HC 150 sensors use catalytic combustion (pellistor) technology to detect hydrogen leaks as a percentage of the lower explosion limit (%LEL), since hydrogen's odorless, colorless nature and inability to be detected by infrared sensors make specialized detection essential; its addressable and aspirating detectors serve safe areas, ATEX/IECEx explosive zones, and hard-to-access spaces like clean rooms. Bieler + Lang's ExDetector X5 combines up to two sensor heads with contactless one-man calibration and supports detection of over 400 gases, while the GMC 8034 evaluation unit serves as a compact control center for gas detection systems. All devices are developed, manufactured, and calibrated in-house under strict quality standards for industrial, research, and energy technology applications.
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