Instrumentación Carreteras y Túneles
WS100 Radar Precipitation Sensor / Smart Disdrometer
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Absolutely maintenance-free and extremely fast measurement of precipitation type (Rain, snow, sleet, freezing rain, hail) and intensity, thanks to radar measurement technology. The smart radar rain sensor & present weather detector!
The Lufft WS100 is our rain sensor with radar technology and adjustable heating. Using a 24-GHz Doppler radar, it measures the speed of all forms of condensed water. These include rain, freezing rain, hail, snow and sleet.
The low-energy sensor detects precipitation from the first drop. Its possible uses are nearly unlimited. Whether in hydrology and water management, agricultural and environmental science, building automation, meteorology or airport and traffic control: the rain gauge measures rain almost anywhere in the world.
| Dimensions | Ø150 mm (5.9 in), height: 190 mm (7.48 in) | |
| Suitable mast diameter | 60 – 76 mm | |
| Weight | ~0.6 kg | |
| Electrical parameters | ||
| Power supply | 10…28 VDC | |
| Power consumption without heating | 1 VA / 0.4 VA (low power mode) | |
| Heating power | 9 VA | |
| Operating parameters | ||
| Operat. temp. range | -40…60 °C | |
| Operat. humidity range | 0…100 % | |
| Protection class | IP66 | |
| Survival wind speed | 75 m/s | |
| Data transfer | ||
| Interfaces/ protocols | RS-485 semi-duplex two-wire, SDI-12, pulse interface / UMB protocol, Modbus | |
| (Pluggable) cable length | 10 m | |
| Transmission frequency | 24 GHz | |
| Precipitation | ||
| Measurement surface | 9 cm² | |
| Precipitation types | Rain, snow, sleet, freezing rain, hail, drizzle; No precipitation (SYNOP 4677) | |
| Principle | Doppler radar | |
| Accuracy | ±0.16mm or ±10% of the measured value for liquid precipitation* | |
| *) | Under laboratory conditions by means of Lufft test system: Reference drop simulator with 2.8 mm drop diameter and adjustable intensity between 10 and 200 mm/h. | |
| Resolution liquid preciptiation | 0.01 / 0 .1 / 0.2 / 0.5 / 1.0 mm (pulse interface) | |
| Measurement ranges | ||
| Droplet size | 0.3…5.0 mm | |
| Drop Size Distribution | 11 drop size classes with bandwidth of 0.5 mm | |
| Precipitation intensity | 0.01…200 mm/h / 0…7.874 inch/h | |
| Particle velocity | 0.9…15.5 m/s | |
| Solid precipitation | 5.1…~30 mm | |
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