Wind Speed Sensor With Analog Output

Model: WS-I Make: SEVEN SENSOR

Key Highlights

    *Wind speed sensor, also known as anemometer, is one of weather station sensors. *Measurand: Wind Speed Sensor *Sensor Type: Anemometer *Signal Output: Analog (e.g., 0-10V or 4-20mA) *Supplied With: Mounting hardware, documentation

Category: Wind Speed & Direction

A wind speed sensor with an analog output is a device that measures wind speed and converts it into a proportional analog electrical signal. The output signal typically ranges from 0 to 5V, 0 to 10V, or 4-20 mA, depending on the sensor's design and application. These sensors are commonly used in weather stations, environmental monitoring systems, or industrial applications where real-time wind speed data is necessary for decision-making.

How it works:

  1. Detection of Wind Speed:
    • The sensor uses various mechanisms to measure the speed of the wind. The most common types include:
      • Cup anemometers: These use rotating cups that spin in the wind. The speed of the rotation is proportional to the wind speed.
      • Vane anemometers: Similar to cup anemometers, but they use a vane that moves with the wind to generate a rotational movement.
      • Ultrasonic anemometers: These use the change in the time it takes for an ultrasonic signal to travel between two points, which changes with wind speed.
      • Hot-wire anemometers: These measure the cooling effect of the wind on a heated wire, which changes its electrical resistance.
  2. Signal Conversion:
    • After the wind speed is detected by mechanical or electronic means, the sensor converts this data into an electrical signal. The most common output is an analog voltage or current that corresponds to the wind speed. For example:
      • Voltage Output (0-5V or 0-10V): The wind speed is directly mapped to a voltage value within a defined range. A low wind speed might correspond to 0V, and a higher wind speed might correspond to 5V or 10V.
      • Current Output (4-20mA): In this case, the wind speed is mapped to a current range where 4 mA might represent calm winds, and 20 mA might represent maximum wind speed.
  3. Calibration:
    • Wind speed sensors are often factory-calibrated to provide accurate measurements. Calibration ensures that the output signal correctly represents the wind speed. For example, a 0-5V sensor might be calibrated so that 0V equals 0 m/s (no wind), and 5V equals 50 m/s (high wind speed).
  4. Analog Output Interpretation:
    • The output signal from the sensor is typically sent to a data logger, microcontroller, or signal processing unit for further analysis. The device receiving the signal converts the voltage or current into a readable wind speed measurement, which could then be displayed, logged, or used to trigger certain actions (like shutting down equipment in high winds).

Application


*Weather Stations *Renewable Energy (Wind Turbines) *Environmental Monitoring *Agriculture *Aviation and Airports *Marine and Offshore Platforms *Construction Sites *Automated Weather Control Systems

Feature


*Analog Output *Durability and Weather Resistance *High Accuracy and Sensitivity *Wide Operating Range *Low Power Consumption *Easy Installation *Calibration and Accuracy Verification *Compact and Lightweight

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