Lufft RoadSMART21 - Stationary Road Weather Sensor
Product Number: 8811.U55RoadSmart is a compact, low‑maintenance roadside weather sensor delivering real‑time road condition, friction, temperature, and moisture data to enable smart traffic management and enhanced road safety.
Overview
The stationary road weather sensor RoadSMART21 delivers several important road and surface weather conditions. It can be installed with a distance of 2.5 to 5 m above the surface and calculates information about temperatures, waterfilm heights, dew points, road conditions (dry, moist, wet, snow, ice). The data output rate can be set and is as fast 1 Hz via RS485. RoadSMART21 serves as an important decision support tool with regards to preventive gritting. Due to the open interface protocols, it can be easily integrated into existing winter maintenance monitoring networks. The measurement data output supports the protocol UMB binary.
Specifications
Technical Attributes
| Measuring Range | 3.5 to 5.5 m |
| Power supply | 10 to 28 V DC on the sensor |
| Dimensions d (H x W x D) (Calc) | 110 x 200 x 100 mm |
| Weight | Approx. 1700 g |
| Ingress Protection Rating | IP68 |
| Measuring Distance | 3.5 to 5.5 m |
| Operating Temperature Range | -40 to +60 °C |
| Humidity range | 0 to 100 % |
| Permissible Height Above Sea Level | 3000 m |
| Tilt Angle (fixed) | 20° |
| Installation Height | 3 to 5 m |