Supplier
OTT HydroMet
Lufft VS20k Visibility Sensor
Optical visibility sensor measuring meteorological optical range up to 20,000 m for traffic and aviation weather.
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The Lufft VS20k (8366.U90) is a high-precision optical visibility sensor that delivers real-time meteorological optical range data over a 10 m to 20,000 m range. It features Active Spider Defense with a built-in vibrating motor to reduce maintenance, and integrates via RS485 / 4-20 mA using the open UMB protocol. Visibility measurement is a key parameter for both road and aviation weather monitoring.
Specs at a glance
Technical specifications.
| Visibility range 10 m - 20,000 m | |
| Accuracy +/-10% | |
| Operating temperature -40 to +60 C | |
| Power 20-30 VDC (typ. 24 VDC) | |
| Interfaces RS485 (2-wire) + 4-20 mA; UMB / ASCII-2.0 protocol | |
| Dimensions 500 x 230 x 80 mm, ~4 kg (without bracket), IP66 |
Best for
Use cases.
- ›Airport and aerodrome visibility monitoring
- ›Fog detection for runways, motorways and bridges
- ›Traffic management and road-safety warning systems