WS100 Radar Precipitation Sensor / Smart Disdrometer

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Make: Lufft Model: WS100

✅ Very fast response time, maintenance-free measurement, present weather detection

✅ Measurand : Rain/precipitation quantity, rain/precipitation type (Rain, snow, sleet, freezing rain, hail)

✅ Sensor Type : 24GHz Doppler radar.

✅ Signal Output : RS-485 semi-duplex two-wire, SDI-12, pulse interface / UMB protocol, Modbus

✅ Article number: 8367.U03, 8367.U04, 8367.U05

SKU: Lufft-WS100

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Description

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.

Product Advantages of the Lufft WS100 Radar Precipitation Sensor

Absolutely maintenance-free and low-energy 24-hour operation

Maintenance-free operation through ingenious technology without any moving parts
Energy-saving sensor thanks to the improved ECO mode (0.4 VA)
Extended heating capacity allows operation in summer as well as in winter
Improved heating power with lower power consumption: Sensor heating integrated directly on the dome wall, power consumption with 9 VA heating.
Very long service life and high operational reliability due to high quality components

Every second counts: Precise precipitation measurement from the first drop

Extremely fast measurement from the first raindrop
Detection of precipitation and rainfall (rain, freezing rain, hail, snow and sleet)
Detection of drop size (0.3 to 5 mm)
Differentiation between 11 classifications of drop sizes
Sensor provides rain intensity with higher resolution starting from 0.01 mm
Improved measurement accuracy thanks to patented self-developed radar module

Precision sensor with radar technology designed for all industrial needs

Precipitation sensor with radar technology: 24GHz Doppler radar
Designed for Weather Critical Operations and Operation Efficiency: Traffic, Rail, Renewables, Building management, Air Quality
Particularly suitable for places or areas which are difficult to access due to being maintenance-free
No maintenance or calibration, no additional hidden costs

Designed for all common data loggers and data acquisition systems

Multiple and simultaneous interfaces for data output and communication
SDI-12 and RS-485 Modbus for reliable data transmission

Details & Specifications

Make	Lufft
Model	WS100
General Specification	:-
Weight	~0.6 kg
Dimension	Ø150 mm (5.9 in), height: 190 mm (7.48 in)
Power Supply	10…28 VDC
Principle	Doppler radar
Precipitation Types	Rain, snow, sleet, freezing rain, hail, drizzle; No precipitation (SYNOP 4677)
Power Consumption	Power consumption without heating: 1 VA / 0.4 VA (low power mode) Heating power: 9 VA
Operating Environment	Operating temperature range: -40…60 °C Operating humidity range: 0…100 %
Protection Level	IP66
Collector Area	9 cm²
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	Resolution liquid preciptiation: 0.01 / 0 .1 / 0.2 / 0.5 / 1.0 mm (pulse interface)
Measurement Range	Particle velocity 0.9…15.5 m/s, Solid precipitation 5.1…~30 mm
Droplet Size	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