Supplier
Bristol Industrial & Research Associates Ltd (Biral)
SWS-200 Visibility and Present Weather Sensor
Visibility and present-weather sensor that distinguishes frozen from liquid precipitation.
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The SWS-200 provides accurate visibility (MOR) measurement plus a core set of WMO present-weather codes. A backscatter receiver lets it distinguish frozen from liquid precipitation, which is relevant to determining the safety of aircraft operations. It supports RVR when paired with an ambient light sensor interface.
Specs at a glance
Technical specifications.
| Visibility (MOR) range | 10m to 99.99km |
| Measurement principle | forward scatter at 45 degrees, 850nm infrared source |
| 14 WMO Table 4680 present-weather codes | |
| Power | 9-36V DC (6W); hood heating 24V AC/DC (36W) |
| Operating temperature | -40C to 60C |
| Weight | 4.5kg |
| Outputs | RS232/RS422/RS485, 0-10V, optional 4-20mA, 2 threshold + 1 fault relay |
| Measurement error | 5% at 1,500m; IP66/IP67 |
Best for
Use cases.
- ›Runway Visual Range (RVR) with optional ambient light sensor
- ›Aviation meteorology and METAR integration
- ›Aircraft operations safety via frozen/liquid precipitation discrimination
Cross-shop the category
Replacements & compatible alternatives.
Comparable products from other suppliers. Cross-shop on specs — confirm exact fit and compatibility with the supplier before specifying.
