GM816 Anemometer Wind Speed Meter Thermometer

· This handy palm sized anemometer is ideal for weather enthusiast, lovers of kite flying, kite-surfing, wind-surfing, paragliding and sailors.
· Measure wind speed and temperature.
· Large easy-to-read LCD display with backlight.
· Wind speed in Beaufort wind scale bar graph.
· Wind chill indication.
· Data hold function.
· High precision pressure sensor.
· Quick response, external thermistor.
· Auto/manual power off.
· Temperature display in Celsius Fahrenheit.
· Current/max/average wind speed reading.
· Powered by a 3V CR2032 battery. (batteries are not included)

Specifications:
· Air Velocity.
· Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots.
· Resolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2Knots.
· Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots.
· Accuracy: +/- 5%.
· Air Temperature Range: -10°C ~ +45°C, 14°F~ 113°F.
· Resolution: 0.2°F, 0.36°F.
· Accuracy: ±2°C, ±3.6°F.
· Thermometer: NTC Thermometer.
· Operating Temperature: -10°C ~ +45°C (14°F~ 113°F ).
· Operating Humidity: Less than or equal to 90% RH
· Storage Temperature: -40°C ~ +60°C, -40°F ~140°F.
· Current Consumption: About 3mA.
· Wind speed range: 0-30m/s.
· Wind speed unit: m/s, Km/h, ft/min, Knots, mph.
· Dimensions: 10.7cm x 4.5cm x 2.1cm - 4.21inch x 1.77inch x 0.83inch.