Supplier
Bristol Industrial & Research Associates Ltd (Biral), now trading as Senseca UK
SWS-250 Visibility and Present Weather Sensor
Forward-scatter visibility and present-weather sensor optimised for aviation RVR and METAR.
Specs verified against manufacturer documentation
Visibility (MOR) range
10m to 99.99km
Operating temperature
-40C to 60C, 0-100% RH
Weight
3.5kg
Ingress protection
IP66/IP67
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The SWS-250 measures Meteorological Optical Range and reports an extended set of present-weather conditions for airport and ATC use. It uses a 45-degree forward-scatter measurement with an 850nm infrared source and outputs WMO Table 4680 present-weather codes plus METAR-coded data. It is aimed at Runway Visual Range, aviation meteorology and offshore helicopter operations.
From the manufacturer’s documentation
Technical specifications.
| Visibility (MOR) range | 10m to 99.99km |
| Measurement principle | forward scatter at 45 degrees, 850nm infrared source |
| 39 WMO Table 4680 present-weather codes | |
| Power | 9-36V DC (6W); hood heating 24V AC/DC (36W); window heating 2.5W |
| Operating temperature | -40C to 60C, 0-100% RH |
| Weight | 3.5kg |
| Serial output RS232/RS422/RS485 (ASCII) | |
| Ingress protection | IP66/IP67 |
Best for
Use cases.
- ›Runway Visual Range (RVR) measurement at airports
- ›Aviation meteorology and METAR reporting
- ›Offshore helicopter operations visibility monitoring