Young 8100 anemometer technical data: - Wind Speed: 0 to 40 m/s (0 to 90 mph) Resolution: 0.01 m/s Threshold: 0.01 m/s Accuracy: ±1% ±0.05m/s (30 m/s), ±3% (40 m/s) - Wind Direction: 0 to 360 degrees Elevation Range: ±60 degrees Resolution: 0.1 degree Accuracy:± 2 degrees (30 m/s), ± 5 degrees (40 m/s) - Speed of Sound: 300 to 360 m/s Resolution: 0.01 m/s Accuracy: ± 0.1% ± 0.05 m/s (30 m/s) - Sonic Temperature: -50 to +50 ˚C Resolution: 0.01 m/s Accuracy: ±2˚C (30 m/s) - Serial Output: User Programmable ASCII, RS-232 or RS-485 1200 to 38400 baud 4 to 32 Hz (user-selected) Units: m/s, cm/s, mph, knots, km/h -Analog Voltage Outputs: 4 voltage outputs, 0 to 5000 mV - Power Requirement: 12 to 24 VDC, 110 mA - Operating Temperature: -50 to +50 °C - Dimensions: 56cm high x 17cm radius (3 support arms) Weight: 1.2 kg (2.6 lb) Shipping Weight: 4.5 kg (10 lb)