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Wireless Wind Speed & Direction Sensor

  • Compact analog design with high dirt resistance.
  • Faster response than ultrasonic anemometers with < 0.3 s time constant at only 4 m/s.
  • Higher data availability than ultrasonic anemometers in extreme weather.
  • Robust dual-arm reinforced cup design with field serviceable components using standard tools.
  • Flat elliptical cup shape offers superb snow shedding and very good hail resistance.
  • All-metal anodized-aluminum body and wind vane design.
  • Ultra-low power for wireless applications.
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Compact anemometer and wind direction vane sensor with ultra-low power & no dead spot. Meets all World Meteorological Organization (WMO) measurement standards of measurement.
No wires to connect or batteries to change, no connectors to break. Featuring SigFox or LoRaWAN wireless Star-on-Star network technology for reliable and redundant data transmission.
Elliptical cup design of the proven MeteoWind 2 is used to offer superb measurement qualities in a compact and cost-effective instrument made from anodized aluminum.

Other Features

• Uses IoT-Wind, an open communication protocol which permits direct connection to any Internet-of-Things (IoT) application and cloud platform.
• Magnetic wind vane sensor offers better than 3° accuracy.
• Anodized aluminum body and wind vane guarantee robustness, corrosion protection and longevity.
• Patented design of flat elliptic cups offers high-linearity
• Aerodynamics and superb winter snow shedding even without heating.
• High response, linearity and accuracy with a very low < 1.5 m distance constant.

Wind Speed Range

0-85 m/s gust
Wind Speed Accuracy

< 2 % of measured value (0.3 – 50 m/s) or ±0.05 m/s (4-16 m/s) with MEASNET cal.
Wind Speed Resolution

0.1 m/s
Wind Speed Sampling rate

2 pulses per revolution
Wind Direction Range

0-360°
Wind Direction Accuracy

2° (no dead-spot)
Wind Direction Resolution

1°
Wind Direction Sampling rate

10 Hz /1 Hz avg. out
Linearity

R² > 0.99995
Tilt angle sensitivity

For horizontal wind speed measurement
Starting wind speed

<0.2 m/s
Default linearity constants

Defaults: Slope = 0.6335 Offset = 0.3582 m/s (m/s = 0.6335 * freq(Hz) + 0.3582) internally pre-programmed into the wireless module which transmits real wind speed value
Distance constant (Delay distance)

< 1m (est.) (per ASTM D 5096-96)
Output signal & communication

LoRaWAN or Sigfox wireless with NB-IoT coming soon
Power consumption

350 μA (combined wind speed and wind direction and wireless transmission)
Power and battery system

Solar charger with a Lithium-Ion battery for 4+ months of operation without sun
Operating temperature & humidity

-40 °C to + 80 °C, 0 % to 100 % RH
Survival wind speed

>85 m/s (306 kph, 190 mph) gust
IP – Protection rating

IP55W (DIN 40050) anemometer, IP67W wireless module with battery
Heater (optional)

4 W non-regulated @ 12 Vdc or VAC, (Max continuous 12 W in temperatures < 20 °C) Heater requires an external power supply and regulator
Weight (mass)

Anemometer = 210 g, Wireless module with battery= 500 g
Dimensions

Anemometer rotor diameter = Ø 164 mm, Wind vane radius =111 mm, Total height = 272 mm
Patented / Registered

OHIM 002153882-0001, 002153882-0002, 002153882-0003
Mounting

Two M6 screws with nuts (includes a 90° stainless steel mounting arm)