Extech AN320

• 4 (10cm) vane allows for more precise readings on larger size ducts
• Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point, Carbon Dioxide (CO2)
• Built-in thermistor for air temperature
• Multipoint and timed average calculations
• Min/Max, Data Hold, and Auto power off

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Each Unit Includes

• Four AAA batteries
• Hard carrying case