Starting at $1,061.00
  • Usually ships in 1-2 weeks



  • Four sizes available from ½in to 2in with
  • Flow ranges from 0.25-75 m³/h to 2.3-700 m³/h
  • -10 to 60°C (14 to 140°F) temperature measurement range
  • -1 to 16bar pressure measurement range
  • Four measurement parameters in one instrument:
    • Flow-through
    • Totalizer
    • Temperature
    • Operating pressure
  • 2x analog output signal (4 to 20mA)
  • 1.44in color display, 128 x 128 pixel resolution


The Testo 6450 series compressed air flow meter allows an accurate measurement of compressed air consumption, enabling energy-saving potential to be identified and costs lowered. The compressed air meters can also be used for the targeted implementation of environmental management. Another application for the 6450 series is leakage monitoring in a compressed air system. The compressed air meter can also be used to carry out a peak load analysis in order to determine whether compressed air of sufficient capacity is being generated. The "all-in-one sensor" records compressed air consumption and the temperature as well as the pressure, eliminating the need for a separate pressure measurement.

The Testo 6450 series utilizes the calorimetric measurement principle, making any additional pressure and temperature measurement redundant, and is not subject to wear on moving parts.


This product can be used in the following applications: