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. 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).
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
4 voltage outputs, 0 to 5000 mV
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: 56 cm (22.0 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 lb)
Shipping Weight
4.5 kg (10 lb)
Brand
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