Suppliers to the Subsurface Utility Engineering Community
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Download the brochureA robust and accurate portable gas detector, the V!SA provides unrivalled protection in confined spaceV!SA Image applications with audible and visual alarms in the event of exposure to flammable or toxic gases.

Detecting and displaying up to 5 gases simultaneously using "plug and play" sensor technology, the V!SA is suitable for a host of applications in a variety of industries using infra-red, PID and catalytic sensors.

Pre-entry checking can be carried out with the optional internal sampling pump and diffusion operation, ensuring maximum battery life in confined spaces.

Features include:

  • Brilliant visual alarm - 360° distinct alarm level, flash rates prioritised
  • Ultra loud audible alarm - penetrating 95 dBA Plug ‘n’ Play sensor technology with an extensive range of gas sensors
  • A unique combination of pump diffusion sampling. 
  • Specifically designed for pre-entry and post-entry applications.
  • A robust, moulded, rubberised casing guaranteeing Hi-Viz and Hi-Impact resistance International certification and conformance


  • Personal Safety in Confined Space - H2S/O2/CO Hazards
  • General Safety in Confined Space
  • Shipping - General
  • Shipping - Fumigant
  • Breweries - CO2 Hazard
  • Plant Shutdown
  • Permit to Work Systems
  • Pressurised Tunnelling Fleet Auxiliary