The VIPA MkII tunnel monitor makes a visible opacity measurement to determine the visibility within the tunnel. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection within a traffic tunnel, rail tunnel or other confined space.

FEATURES

• Visibility measurement using the widely accepted single pass light transmission opacity technique
• User selected unit display options of Opacity (%), Extinction Coefficient (k), Meteorological Optical Range (MOR) or Transmission
• IP65 / NEMA 4X rated external enclosure supplied with quick release dust protection tubes and wall brackets
• Supplied complete with PC based utility software for set-up and control of the instrument
• Intelligent analyser with optional TSCU operator interface
• Choice of interface options enabling easy integration into tunnel control system

BENEFITS

• Designed specifically for monitoring in tunnels
• Rugged design to withstand corrosive atmosphere and regular tunnel washing
• Plug and socket connection enabling simpler installation
• No moving parts and low maintenance requirements
• Suitable for right or left hanging to enable compliance with regulations governing tunnel light emissions facing on-coming traffic flow