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Vaisala Visibility Sensor FS11
Overview
- 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 |
| Optical | |
| Scattering angle | 42° |
| Optical monitoring | Window contamination measurement and compensation circuitry
Optical path blockage detection Light source stability control |
| Operating environment | |
| Temperature | -40...+65 °C |
| Humidity | 0...100 %RH |
| Wind | 60 m/s |
| Inputs and outputs | |
| Operating voltage | 100/115/230 VAC +/-10 %, 50-60 Hz |
| Power consumption | 300 W maximum (60 VA + 240 VA defrosting heaters) |
| Outputs | Serial line RS-232 or opto-isolated RS-485 (2-wire) or optinal data modem Separate RS-232 maintenance line |
| Mechanics | |
| Dimensions | 2.8 (h) x 0.9 (w) x 0.5 (d) m |
| Weight | 37 kg, including interface unit, mast and base plate |
| For complete specifications, please see the brochure or user guide in "Documents". | |
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