Flow meters
testo 417 Set-2 consisting of the testo 417 vane anemometer, the testovent 417 funnel set and the volume flow rectifier testovent 417. Testo
Eigenschaften Simple, fast and precise flow and temperature measurement and volume flow calculation in the ventilation duct. More flexibility for duct measurements with the cable-connected telescopic probe
Features Simple, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets. Efficient regulation of controlled residential ventilation and fast documentation with
The testo 420 differential pressure measuring instrument is suitable for accurate differential pressure measurement up to 120 Pa, e.g. when checking filters in HVAC systems.
Flow velocity measurement by impeller incl. Impeller, Ø 100mm 1 ... 35 m / s, accuracy 0.25 ... 3m / s ± 0.1 m / s