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81000RE 3D Ultrasonic Anemometer

Updated:2025-03-13

Brand: R.M.Young
Model: 81000RE
Description: The YOUNG Models 81000RE/81000VRE Ultrasonic Anemometer are 3-axis, no-moving-parts wind sensors. They are ideal for applications requiring fast response, high resolution and three-dimensional wind me
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Product Details

81000RE 3D Ultrasonic Anemometer Description：

User's manual

The YOUNG Model 81000 Ultrasonic Anemometer measures both horizontal and vertical wind speed and direction. This sensor features durable, corrosion-resistant construction with three opposing pairs of ultrasonic transducers supported by stainless steel members. An extended mast separates the transducer array from the instrument body to minimize wind disruption. Each sensor is fully wind tunnel tested and calibrated to provide accurate wind measurement. The standard sensor features RS-232 and RS-485 serial outputs. Wind and sonic temperature data are available on four analog voltage outputs. The sensor mounts on a standard 1-inch IPS pipe. A mounting orientation ring is included that engages with the base of the sensor to retain orientation when the sensor is removed for maintenance. Terminations are made in a junction box at the base of the sensor by small clamp-style connectors (no special connectors are required).

The YOUNG Model 81000VRE Ultrasonic Anemometer is similar to Model 81000V (four analog voltage inputs) with an extended mast .

81000RE 3D Ultrasonic Anemometer Specification：

Wind Speed：	Range: 0 to 40 m/s (0 to 90 mph) Resolution: 0.01 m/s Threshold: 0.01 m/s Accuracy: ± 1% ± 0.05 m/s (30 m/s), ± 3% (40 m/s)
Wind Direction：	Azimuth Range: 0 to 360° Elevation Range: ± 60° Resolution: 0.1° Accuracy: ± 2° (30 m/s), ± 5° (40 m/s)
Speed of Sound：	Range: 300 to 360 m/s Resolution: 0.01 m/s Accuracy: ± 0.1% ± 0.05 m/s (30 m/s)
Sonic Temperature：	Range: -50 to 50°C Resolution: 0.01°C Accuracy: ±2°C (30 m/s)
Voltage Outputs (Model 81000RE)：	4 voltage outputs, 0 to 5000 mV
Voltage Inputs (Model 81000VRE)：	0 to 5000 mV, V1 & V2 0 to 1000 mV, V3 & V4 Resolution: 1 part in 4000 Accuracy: ± 0.1% of full scale
Serial Outputs：	User Programmable RS-232 or RS-485 Formats: ASCII, ASCII polled, NMEA Baud: 1200, 4800, 9600, 19200, 38400 Output rate: 4 to 32 Hz (user-selected) Units: m/s, cm/s, mph, knots, km/h
Power Requirement：	12 to 24 VDC, 110 mA
Operating Temperature：	-50 to +50°C
Dimensions：	Overall height: 70 cm (27.6 in) Support arm radius: 17 cm (6.7 in) Mounting: 34 mm (1.34 in) diameter (standard 1 inch pipe)
Weight：	1.7 kg (3.8 lbs)
Shipping Weight：	5 kg (11 lbs)