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Hot-wire thermo-anemometer - max. 4 000 fpm | 425
Compact Testo 425 anemometer is used to precisely calculate the flow of the volume that is directly shown in the display. Testo 425 has a thermal flow probe and a telescopic handle that is permanently attached to it. Testo 425 anemometers is also designed with a Hold function that allows to freeze the current readings that are shown in the display. Testo 425 anemometers are also capable of providing information on mean volume flow, temperature reading as well as the speed of the flow using its timed and multi-point mean calculation.