HD350: Pitot Tube Anemometer + Differential Manometer

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Measures Air Velocity/Airflow in difficult-to-reach or tight locations

The HD350 is a Pitot tube anemometer and differential manometer. Measures Differential pressure in 5 selectable units of measure and includes a Pitot tube and 2 connection hoses for measuring Air Velocity/Air Flow. Additional features include data hold, auto power off, zero function, plus manually record/recall up to 99 readings. Built-in USB port. Complete with software and USB cable, 9V battery, pitot tube with two 33.5 in. (85 cm) connection hoses and hard carrying case.

Availability: Out Of Stock


  • Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
  • ±0.7252psi range
  • 5 selectable units of pressure measurement
  • Max/Min/Avg recording and Relative time stamp
  • Data Hold and Auto power off functions
  • Large LCD display with backlighting, USB port
  • Zero function for offset correction or measurement
  • Store/Recall up to 99 readings in each mode
  • Includes Windows® compatible software with cable, 9V battery, pitot tube with two 33.5″ (85cm) connection hoses, and hard carrying case


Specifications Range Max Resolution Basic Accuracy
psi 0.7252psi 0.0001psi ±0.3%FS
mbar 50.00mbar 0.01mbar ±0.3%FS
inH₂O 20.07inH₂O 0.01inH₂O ±0.3%FS
mmH₂O 509.8mmH₂O 0.01mmH₂O ±0.3%FS
Pa 5000Pa 1Pa ±0.3%FS
Linearity/Hysteresis ±0.29FS
Maximum Pressure 10psi
Air Velocity/Flow
ft/min 200 to 15733 1 ±1% FS
m/s 1 to 80.00 0.01 ±1% FS
km/h 3.5 to 288.0 0.1 ±1% FS
MPH 2.25 to 178.66 0.01 ±1% FS
knots 2.0 to 154.6 0.1 ±1% FS
CFM/CMM 0 to 99,999 0.001 ±1% FS
Temperature 32.0 to 122.0°F (0 to 50°C) 0.1° ±3°F/1.5°C
Dimensions/Weight Meter: 8.2 x 2.9 x 1.9″ (210 x 75 x 50mm) / 12oz (340g); Pitot Tube: 15.4 x 7.7” (390 x 195mm); Diameter 0.32″ (8mm) / 7.2oz (204g)



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