Range1 1.27 to 78.7 m/s (250 to 15,500 ft/min)
Accuracy2 ±1.5% at 10.16 m/s (2,000 ft/min)
Resolution 0.01 m/s (1 ft/min)
Duct Size
Dimensions 2.5 to 1,270 cm in increments of 0.1 cm
(1 to 500 inches in increments of 0.1 in.)
Volumetric Flow Rate
Range Actual range is a function of velocity, pressure, duct size,
and K factor
Static/Differential Pressure (Meter Models TA465, TA465-A, TA465-P)
Range3 -28.0 to +28.0 mm Hg, -3,735 to +3,735 Pa
(-15 to +15 in. H2O)
Accuracy ±1% of reading ±0.01 mm Hg, ±1 Pa (±0.005 in. H2O)
Resolution 0.1 Pa, 0.01 mm Hg (0.001 in. H2O)
Barometric Pressure
Range 517.15 to 930.87 mm Hg (20.36 to 36.648 in. Hg)
Accuracy ±2% of reading
Instrument Temperature Range
Operating (Electronics)
5 to 45°C (40 to 113°F)
Storage -20 to 60°C (-4 to 140°F)
Data Storage Capabilities
Range 26,500+ samples and 100 test IDs
Logging Interval
1 second to 1 hour
Time Constant
User selectable
External Meter Dimensions
9.7 cm x 21.1 cm x 5.3 cm (3.8 in. x 8.3 in. x 2.1 in.)
Meter Weight with Batteries
0.36 kg (0.8 lbs.)
Power Requirements
Four AA-size batteries or AC adapter