testo 405 i - thermal anemometer with smartphone operation
testo 405 i - thermal anemometer with smartphone operation
  • For measuring volume flow, air velocity and temperature
  • Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow
  • Convenient for working in ventilation ducts thanks to its telescopic tube, which can be extended up to 400 mm
  • Really convenient to operate thanks to the testo Smart App (e.g. easy viewing of readings, measurement data trend, log function)

With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features.

testo 405 i - thermal anemometer with smartphone operation

Temperature - NTC

Measuring range

-20 to +60 °C

Accuracy

±0.5 °C

Resolution

0.1 °C

Velocity - Hot wire

Measuring range

0 to 30 m/s

Accuracy

±(0.1 m/s + 5 % of mv) (0 to 2 m/s)

±(0.3 m/s + 5 % of mv) (2 to 15 m/s)

Resolution

0.01 m/s

General technical data

Weight

119.6 g

Dimensions

200 x 30 x 41 mm

Operating temperature

-20 to +50 °C

Product-/housing material

Plastic

System requirements

requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0

Product colour

black/orange

Battery type

3 AAA micro batteries

Battery life

15 h

Length probe shaft

400 mm

Storage temperature

-20 to +60 °C

testo 405 i - thermal anemometer with smartphone operation
testo 405 i - thermal anemometer with smartphone operation
testo 405 i - thermal anemometer with smartphone operation