Anemometer best item, recommend! Model: AM-4836V (Vane Anemometer) , without wind direction AM-4836C (3 cup anemometer) Display: LCD display Parameters measured: Wind speed, Flow, Beaufort Scale, Wave, Temp., wind direction Range: Wind speed: 0.4-30.0m/s 1.4-108.0km/h 80-5910ft/min 0.8-59.3 knots Flow: 0.004-9999 m³/min 0.013-9999 ft³/min B. Scale: 0-12 force Wave: 0-14m Direction indicator: 16 ways (the resolution is 22.5º) Temp. : 0-60℃ / 32-140℉ Accuracy: ±2%n+2d Resolution: 0.1/1 PC interface: RS232C (Cable & software are optional) Can memorize 50 group data Auto power off Power supply: 4x1.5V AA A (UM-4) battery Battery indicator: low battery indicator Dimensions: 156x67x28mm |