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Observator 100 years

RWS-30 Road Tunnel Weather Sensor

The RWS-30 is designed for use in road and tunnel applications, where accurate and reliable visibility measurements are required. The forward scatter measurement principle provides a compact design with measurements that are both accurate and reliable in all weather conditions. The RWS-30 outputs have been chosen to match those recommended for use in tunnel systems.

As road networks become more congested, those tasked with the management of traffic flow and road user safety are turning to Road Weather Information Systems (RWIS) to collect the meteorological data they need to keep the traffic moving. Road tunnels pose a unique set of problems to highways engineers and management personnel as they are affected by the weather at either end and can have their own internal microclimates. Couple this to the added risk of pollution from stationary vehicles or fire after a crash, and the need for a sensitive and accurate sensor to measure visibility and the causes of reduced visibility becomes absolute. The RWS-30 has been developed to meet the specific needs created by the tunnel environment and complies with current international guidelines as defined by the PIARC Technical Committee.

Additional documents

Features

  • 200 m to 99.99 km measurement range
  • Compact forward scatter design
  • Monitores obstruction to vision caused by fog, smoke and exhaust fumes
  • Not affected by lights
  • Easily installed by one person
  • Window heating and contamination monitoring
  • EXCO and MOR outputs
  • Analogue voltage and current outputs
  • Serial data output (RS232, RS422 or RS485)
  • Easily integrated with systems in road and tunnel aplications
  • 2 years warranty
  • Significant advantages over more traditional techniques, such as the use of backscatter sensors

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