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Compact Thermal Anemometer



The compact testo 425 anemometer with permanently attached thermal flow probe (probe head Ø7.5mm) incl. telescopic handle.

Volume flow is shown directly in the display with accurate volume flow calculation thanks to easy input of duct area. In addition, it is also possible to switch to the current temperature reading.

Timed and multi-point mean calculation provide information on mean volume flow, flow speed and temperature reading.Min/max values can also be shown in the display. The hold function makes it possible to freeze current readings.

  • Temperature, flow and volume flow measurement
  • Multi-point and timed mean calculation
  • Max/min values
  • Hold button to freeze readings
  • Display light
  • Auto off function
  • TopSafe, the indestructible protective case (optional)


+ GST and Delivery

SAVE $469

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