Testo 425 (Hot wire)

The testo 425 thermal anemometer is your fast, easy and precise companion. The cable-connected telescopic probe can be extended up to 820 mm, making it easier to work overhead or in large diameter ducts. All relevant calculations, such as volume flow or time and point averages, are performed automatically by the particularly robust and compact measuring instrument. Incidentally: Configuration of the measuring instrument, display and storage of measured values as well as documentation are all particularly convenient with the testo Smart App.

Key Features:

• telescopic probe (maximum length 820 mm)
• Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
• Volume flow calculation in the ventilation duct
• Timed and point mean value calculation