The A70-D Wind Azimuth Transmitter translates the signal from the Model A75-302 Wind Vane to a common analog output for connectivity to data loggers, displays and controls. This system serves as a reliable wind direction indicator, providing precise readings for various applications. The product includes the A75-302 sensor with mounting hardware, 60’ of cable and the signal translator board. The board is provided with snap track for installation into an existing enclosure. Various power and output and enclosure options are available.
Built for demanding settings, this solution includes:
Perfect for integration with data loggers, control systems, and digital displays.
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Unlike simple visual vanes, the A70-D offers ±4° accuracy, electronic output signals (4–20 mA, 0–10 V), and rugged NEMA enclosures for reliable industrial integration.
They are widely used in environmental monitoring, wind farm yaw control, industrial HVAC, building automation, and safety/emission monitoring systems.
The A70-D wind direction instrument provides accuracy within ±4° with a dead band under 5°, making it more precise than traditional 8-point or 16-point indicators
Available outputs include 4–20 mA current loops and voltage ranges of 0–1 V, 0–5 V, and 0–10 V, making it compatible with most data loggers and control systems.
For accurate readings, install the sensor at least 10 meters above ground, away from obstructions that may cause turbulence, and ensure proper calibration.
Regular maintenance includes cleaning the vane, checking bearings and wiring, and recalibrating after extreme weather to ensure continued accuracy.
Industries such as renewable energy, HVAC, manufacturing, agriculture, and environmental monitoring rely heavily on wind direction indicators for safety and efficiency.
Yes, with NEMA 4X/IP66 enclosures, they are designed to resist rain, snow, ice, dust, and corrosion, ensuring long-term outdoor reliability.
The potentiometric vane has a lifespan of approximately 50 million rotations, offering many years of dependable operation in continuous-use applications.
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