Specifications

Static/Differential Pressure Range: -15 to +15 Inch H2O (-28.0 to +28.0 mm Hg)
Static/Differential Pressure Accuracy: +/-1% of Reading
Velocity Range: 250 to 15,500 Feet per Minute (1.27 to 78.7 Meters per Second)
Velocity Accuracy: +/-1.5% at 2,000 Feet per Minute (10.16 Meters per Second)
Duct Size: 1 to 250 Inches (1 to 635 cm)
Volumetric Flow Rate: Function of Velocity, Pressure, Duct Size, and K Factor
Data Log: 12,700+ Samples and 100 Test IDs, Interval: 1 Second to 1 Hour
User Selectable Time Constant
Power: Alkaline Battery
Weight: 0.6 lbs. (0.27 kg)