Testo 405i Hot-wire Anemometer Wireless Smart Probe

The testo 405i wireless hot-wire anemometer makes servicing and troubleshooting air conditioning systems fast and easy. The durable smart probe measures air flow velocity, temperature, and volume flow. With a 15 hour batterie and the telescopic shaft, the thermal transducer provides reliability and flexibility.

Easy documentation

Save all measurement data as instrument readings, tables or graphs and take advantage of customizable reports that can be shared via email.

Easy in-duct testing

Thanks to the hinged shaft, the probe allows you to measure in-duct airflow averaging and timed traverse in otherwise inaccessible places.

Extendible shaft

The telescopic shaft of the wireless instrument extends to 15 inches, providing a broader measuring range.

Smart App

Remotely read measurements from up to six smart probes with the Smart Probe App and easily document and report your results. 

 Specification

• TEMP measuring range -20 to +60 °C
• TEMP measurement accuracy ±0.5 °C
• Velocity measuring range 0 to 5906 fpm / 0 to 30 m/s
• Velocity measurement accuracy
  • ±(19.7 fpm + 5 % of mv) (0 to 394 fpm)
  • ±(0.1 m/s + 5 % of mv) (0 to 2 m/s)
  • ±(59.1 fpm + 5 % of mv) (394 to 2953 fpm)
  • ±(0.3 m/s + 5 % of mv) (2 to 15 m/s)
• Weight 119.6 g
• Dimensions 200 x 30 x 41 mm
• Operating temperature -20 to +50 °C
• Housing Plastic
• System requirements requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
• Batterie type 3 x AAA
• Battery life 15 h
• Length prbe shaft 400 mm
• Storage temperature -20 to +60 °C