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VICOTEC410
  
 
Visibility and CO measurement in road tunnels
The VICOTEC410 series of compact analysers provide measurement values for determination of visibility or carbon monoxide concentrations in road tunnels.

  • VICOTEC411 for measuring visibility
  • VICOTEC412 for determing CO concentrations
  • VICOTEC414 for the simultaneous measurement of visibility and CO concentrations

These intelligent measurement devices request maintenance when sensors are polluted — reducing maintenance costs to a minimum. The VICOTEC411 permanently monitors visibility in a tunnel and thus provides continuous information on light conditions. A continuous, real-time control signal provides optimum ventilator efficiency. The VICOTEC412 monitors CO pollution within the tunnel atmosphere itself. The VICOTEC414 offers combined measurements for simultaneous monitoring of both visibility and CO concentrations.
 
Technical specification
  Measuring values   visibility (K-factor), CO  
  Measuring range   K: 0…15 1/km; CO: 0…300 ppm  
  Repeatability   K: ± 0.1 1/km; CO: ± 2 ppm  
  Measuring distance   10 m (32.8 ft)  
  Measurign principle   Transmission, neg. gas correlation  
  Ambient temperature   –30 … +60 șC (-22 ... +140 °F)  
  Protection category   IP 65  
  Measured value output   LC-display, 2 outputs: 0…20 mA  
  Interfaces   RS422 (electr. isolated); RS232  
  Status-/control signals   2 relay outputs (failure, maintenance / warning / soiling)  
  System components   Pair of sensors, Evaluation unit  
  Remarks   These intelligent measurement devices request maintenance when sensors are polluted. A continuous, real-time control signal provides optimum ventilator efficiency.  
     
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