Application: Installation, debug and repair for refrigeration industry, ventilation duct, environment monit-or, navigation measurement, weather forecast, collection of the weather datum for outdoor busywork and fire department. Model:AM4838 Measuring: wind speed 0.4-30.0m/s 1.4-108.0km/h 80-5910ft/min 0.8-59.3 knots Temperature 0-60℃ 32-140? Accuracy: ±2%n+2d Resolution:0.1/1 Display: LCD display Power supply:1x9V 6F22 battery Battery indicator: low battery indicator Dimensions: 141x72x31mm Weight (not including probe): 248g |