Opacity & Gases Sensors

Detection for your safety

  • Combined measurement of opacity 2 gases simultaneously (CO, NO2 or NO)
  • Reduced installation and maintenance costs
  • Easy calibration without dismantling
  • Compact housing
Gas sensor inside the Tunnel

It is essential to provide tunnel or car park users satisfactory air quality. Using a single device, GasOPAC-4000 permanently checks the different toxic gas levels (CO + NO2 or NO) and the opacity, its all-in-one design allows for quick installation and easy maintenance.