Extech Anemometer and Differential Manometer Pitot Tube (HD350)

In stock

This anemometer and differential manometer uses a pitot tube to measure air velocity, air flow and pressure. This is great for measuring inside of air ducts as well as HVAC applications.

Extech Anemometer and Differential Manometer Pitot Tube (HD350)


  • Simultaneously display of pressure, air velocity or air flow plus temperature
  • 5 selectable pressure units
  • MIN/MAX/AVG recording and relative time stamp
  • Data hold, auto power off and zero functions
  • Large backlit LCD display
  • Record up to 99 readings
  • USB port includes software
  • Includes PC software with cable, 9V battery, pitot tube with two connection hoses, 100V-240V universal AC adaptor and hard case
  • ±0.7252psi range

This meter measures air velocity and airflow in tight locations as well as pressure. Great for testing inside of air ducts and HVAC applications. Uses a pitot tube with 33.5" hoses for easy and accurate measurements. With PC software and cable so you can upload your data to your PC. With a large backlit LCD screen and the ability to record up to 99 readings.


Specifications Range/ Resolution/ 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

Repeatability ±0.2% (Max. ±0.5%FS)

Linearity/Hysteresis ±0.29FS

Maximum Pressure 10psi

Response Time 0.5s typical

Air Velocity

ft/min 200 to 15733/ 1/ ±3% rdg

m/s 1 to 80.00/ 0.01/ ±3% rdg

km/h 3.5 to 288.0/ 0.1/ ±3% rdg

MPH 2.25 to 178.66/ 0.01/ ±3% rdg

knots 2.0 to 154.6/ 0.1/ ±3% rdg

Air Flow

CFM 0 to 99,999/ 0.001/ ±3% rdg

CMM 0 to 99,999/ 0.001/ ±3% rdg


°F 32.0 to 122.0°F/ 0.1°/ ±2°F

°C 0 to 50°C/ 0.1°/ ±1°C


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) / 7.2oz (204g)

Unit Ship Weight: 3 lbs
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account


Copyright © 2019 Agriculture Solutions LLC. All rights reserved.