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Vaisala Present Weather Sensor FS11P
Overview
- Measures visibility up to 75 km
- Detects precipitation type and intensity
- Well suited for synoptic and aeronautical applications
- The most widely proven forward scatter RVR sensor, selected and used by FAA
- Meets FAA and ICAO specifications for RVR and visibility measurement
- The most widely proven present weather sensing technology
- Minimal maintenance needs
- Meets ICAO frangibility standards
Technical Specifications
| Visibility (MOR) measurement | |
| Measurement range (MOR) Accuracy | 5...75,000 m with 1, 3 and 10-minute averaging +10 % range 5...10,000 m ±20 % range 10,000...75,000 m |
| Present Weather | |
| Identifies | 7 different types of precipitation (rain, freezing rain, drizzle, freezing drizzle, mixed rain/snow, snow, ice pellets) Fog, mist, haze (smoke, sand) or clear |
| Reports | WMO 4680 (SYNOP), 4678 (METAR) and NWS code tables 49 different codes supported in the WMO 4680 code table |
| Operating environment | |
| Operating temperature | -40...+65 °C, optional -55...+65 °C |
| Operating humidity | 0...100 %RH |
| Wind speed | Up to 60 m/s |
| Inputs and outputs | |
| Main supply | 100/115/230 VAC +/-10 %, 50-60 Hz |
| Power consumption | 370 W maximum |
| Outputs | (50 VA + 320 VA defrosting heaters)
Serial line RS-232 or opto-isolated RS-485 (2-wire) or optional data modem Separate RS-232 maintenance line |
| Mechanics | |
| Dimensions | 2.8 m x 0.9 m x 1.0 m |
| Weight | 52 kg, incl. Frangible Mast FSFM250 |
| Mast | Frangible and hinged composite-fiber mast |
| For complete specifications, please see the brochure in "Product Documentation". | |
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