Wintact Digital Anemometer CFM/CMM, Weather Station Wind Speed Meter Gauge Measuring Air Velocity, Wind Volume, Wind Direction, Ambient Temperature, Humidity with Data Logger for HVAC Duct, Outdoor

Wintact Digital Anemometer CFM/CMM, Weather Station Wind Speed Meter Gauge Measuring Air Velocity, Wind Volume, Wind Direction, Ambient Temperature, Humidity with Data Logger for HVAC Duct, Outdoor

Protmex HT607 Temperature Humidity Meter High Precision Digital Hygrometer with Ambient, Relative Humidity, Dew Point, Wet Bulb Thermometer, Min/Max Hold, LCD Backlight with Cover Protector