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Gas Sampling System For Hard To Access Locations

The TOCSIN 750 2-Wire addressable gas sampling system allows you to provide gas detection in areas which may otherwise be difficult to access.

Typical examples could include:

  • Clean Rooms: 750 gas sampling systems combined with IGD’s through wall sample points are the perfect option for clean rooms.
  • High Level gas Detection: No need to fit gas detection into high roof bays where access would be difficult. 2-wire 750 series sampling systems can be easily fitted at ground level with tubing running to the high level roof space.
  • Pits and Sumps: These are usually inhospitable places for gas detectors. IGD’s 750 2-wire series sampling system, allows the detection module to be conveniently located for service with tubing running into the pit, sump or drain.

Furthermore the 750 2-wire addressable sampling system incorporates the latest in piezo pump technology, with virtually no moving parts, no valves, no pump seals, resulting in high reliability and low maintenance. A zero port is provided with active filtration to allow the module to periodically zero or calibrate itself. This allows reduced detection limits as the detector has less zero drift.



  • Piezo Pumps with virtually no moving parts
  • Low maintenance
  • Sample line length up to 20M with 6mm x 4mm polyurethane tubing
  • sample rate typically 1.0 L/Min
  • Automatic Zero function (or calibrate for Oxygen)
  • Excellent zero stability, allowing lower detection alarms
  • Constant flow monitoring
  • Programmable sample and zero periods
  • App can be downloaded from our Google Play Store Page

Google Play

Gas Sampler Types:

  • Carbon Dioxide Sampler
  • Oxygen Sampler
  • Carbon Monoxide Sampler
  • Hydrogen Sampler
  • Nitrous Oxide Sampler
  • Ammonia Sampler
  • Flammable Sampler


  • Clean room sample points
  • End of line sample tube and filter
  • Sample point gas collector cone
  • Fitting kits with 20M tube coils
  • PTFE tube options

Available sensor types include:

  • Pellistor
  • Infra-Red
  • Electrochemical
  • Photo Ionisation Detector (PID)

Gases detected include:

  • Carbon Dioxide (CO2)
  • Oxygen (O2)
  • Carbon Monoxide (CO)
  • Hydrogen (H2)
  • Nitrous Oxide (N2O)
  • Ammonia (NH3)
  • Flammables (CxHx)
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