AZ-8909 / 8910 Air Flow Meter/Anemometer AZ-8909 / 8910 Air Flow Meter/Anemometer NEW PORTABLE WEATHER STATION ! MONITOR WINDSPEED, TEMPERATURE, WINDCHILL, BAROMETRIC PRESSURE, RELATIVE HUMIDITY AND HEAT INDEX DEWPOINT ! FORECAST WEATHER FROM BAR CHART ! UNIQUE STORM WARNING FEATURE !FEATURE A simple, hand-held meter for monitoring * wind speed* temperature* windchill* relative humidity* dew ...