Simplified measurement of volume flow at extraction of ceiling vents in commercial and private ventilation systems with the testo 440 and measurement funnel.
testo 417 funnel kit
Promo kit funnel
testo 417 vane anemometer with integrated 100 mm vane
Automatic calculation of volume flow in ducts simply by entering the duct parameters and measuring the flow velocity.
Automatic calculation of volume flow in ducts simply by entering the duct parameters and measuring the flow velocity.
testo 440 16 mm vane kit
Promo kit vane
testo 440 air velocity & IAQ measuring instrument
Vane probe Ø 16 mm, fixed cable, with integrated telescope (up to 0.85 m)