Biral SWS-250 Visibility & Present Weather Sensor

Description

Overview

The SWS-250 is Biral’s (Senseca UK) most comprehensive visibility and present weather sensor, featuring both forward scatter and backscatter receivers with a 45° scatter angle for superior hydrometeor discrimination. It reports visibility MOR and 42 WMO Table 4680 and 36 METAR present and past weather codes, making it the sensor of choice for high-accuracy aviation meteorology and national weather service networks.

Key Features

• Forward scatter at 45° with dedicated backscatter receiver for superior precipitation type discrimination
• Reports 42 WMO Table 4680 and 36 METAR present and past weather codes
• Visibility measurement from 10m to beyond 50km
• Accurate distinction of rain, drizzle, snow, hail, fog, mist, and mixed precipitation
• Heated optics for reliable ice-free operation
• IP66/IP67 weatherproof and robust construction
• Hood heating for 24V AC/DC operation in freezing environments
• 3-year warranty

Applications

• ICAO-compliant civil aviation meteorological reporting
• National meteorological service AWS networks
• Military airfield operations
• Road weather and highway visibility monitoring
• Research-grade present weather observation
• Port and harbour marine weather

Why Choose the SWS-250?

The SWS-250 represents the pinnacle of Biral’s SWS sensor family. Its 45° forward scatter geometry with backscatter channel provides the best possible hydrometeor discrimination available in a compact present weather sensor. This makes it ideal for aviation authorities that require precise, unambiguous present weather reporting in compliance with ICAO standards. With a measurement error of 5.1% at 2 km and operating range from -40°C to +60°C, it performs reliably in the most challenging environments worldwide.

For detailed specifications, datasheets, and ordering information, please contact us or visit the manufacturer’s product page.