Vaisala Visibility Sensor FS11

  • Specially built for Runway Visual Range (RVR) applications
  • Meets FAA and ICAO specifications for RVR and visibility measurement
  • Accurate and traceable measurement
  • Mechanical design and high-power heating follow FAA guidelines
  • Can also be used for aeronautical and SYNOP visibility measurements
Technical Specifications
Visibility (MOR) measurement
Measurement range (MOR)5...75 000 m with 1, 3 and 10-minute averaging
+10 % range 5...10 000 m
Accuracy±20 % range 10 000...75 000 m
Scattering angle42°
Optical monitoringWindow contamination measurement and compensation circuitry
Optical path blockage detection
Light source stability control
Operating environment
Temperature-40...+65 °C
Humidity0...100 %RH
Wind60 m/s
Inputs and outputs
Operating voltage100/115/230 VAC +/-10 %, 50-60 Hz
Power consumption300 W maximum (60 VA + 240 VA defrosting heaters)
OutputsSerial line RS-232 or opto-isolated RS-485 (2-wire) or optinal data modem Separate RS-232 maintenance line
Dimensions2.8 (h) x 0.9 (w) x 0.5 (d) m
Weight37 kg, including interface unit, mast and base plate
For complete specifications, please see the brochure or user guide in "Documents".
Life is like riding bicycle. To keep your balance, you must keep moving.