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Testo 405i Bluetooth Thermal Anemometer

 
  • Measures air velocity and volume flow
  • Telescopic shaft extends to 400 mm
  • Smart Probes App for real-time data
  • Bluetooth-enabled compact hot wire tool
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Express Delivery & Calibration

Express Delivery is currently unavailable for customers wishing to add calibration to their New Goods order. For more information, visit our Delivery Information page. 

£95.20 (ex VAT)

£114.24 (inc VAT)

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Usually Ships In 3 to 5 Business Days
 
Testo 405i Thermal Anemometer

The Testo 405i Thermal Anemometer offers accurate measurement of air velocity, temperature, and volume flow. Compact and easy to use, this smart probe works with smartphones and tablets to deliver reliable readings. It is ideal for HVAC professionals needing portable yet professional-grade measurement solutions.

The device features a telescopic shaft that extends to 400 mm, making it suitable for both room and duct applications. Its Bluetooth connectivity allows seamless operation through the Testo Smart Probes App, providing flexibility to monitor and document values from a distance. Measurement values display in real time, with the option to generate reports instantly.

App-Based Control and Reporting

With the Testo Smart Probes App, users gain remote access to all data. The app simplifies the setup of volume flow measurements and enables multi-point or timed readings. Reports can be exported as PDF or Excel files and shared directly from the app. It even allows users to add comments and photos to reports before sending them.

Reliable and Practical in the Field

Lightweight and battery-powered, the Testo 405i Thermal Anemometer is easy to carry and use across jobs. It suits service engineers needing quick, accurate checks or more in-depth airflow analysis. Pairing with the Testo 605i Thermal Hygrometer enables cooling or heating performance evaluation. Designed for real-world use, it balances ease of use with professional precision.

Key Features
  • Measures airflow velocity and volume flow precisely
  • Telescopic shaft extends up to 400 mm for flexibility
  • Works with iOS and Android via Bluetooth 4.0
  • Compact design for easy transport and use in the field
  • Uses Testo Smart Probes App for real-time readings
  • Generate multi-point and timed average measurements
  • Export measurement reports as PDF or Excel files
  • Enables cooling or heating performance checks with 605i
  • Battery-powered with up to 15 hours of use
  • Includes calibration protocol for compliance assurance
pdf
pdf
pdf

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Testo 405i Thermal Anemometer

The Testo 405i Thermal Anemometer offers accurate measurement of air velocity, temperature, and volume flow. Compact and easy to use, this smart probe works with smartphones and tablets to deliver reliable readings. It is ideal for HVAC professionals needing portable yet professional-grade measurement solutions.

The device features a telescopic shaft that extends to 400 mm, making it suitable for both room and duct applications. Its Bluetooth connectivity allows seamless operation through the Testo Smart Probes App, providing flexibility to monitor and document values from a distance. Measurement values display in real time, with the option to generate reports instantly.

App-Based Control and Reporting

With the Testo Smart Probes App, users gain remote access to all data. The app simplifies the setup of volume flow measurements and enables multi-point or timed readings. Reports can be exported as PDF or Excel files and shared directly from the app. It even allows users to add comments and photos to reports before sending them.

Reliable and Practical in the Field

Lightweight and battery-powered, the Testo 405i Thermal Anemometer is easy to carry and use across jobs. It suits service engineers needing quick, accurate checks or more in-depth airflow analysis. Pairing with the Testo 605i Thermal Hygrometer enables cooling or heating performance evaluation. Designed for real-world use, it balances ease of use with professional precision.

Key Features
  • Measures airflow velocity and volume flow precisely
  • Telescopic shaft extends up to 400 mm for flexibility
  • Works with iOS and Android via Bluetooth 4.0
  • Compact design for easy transport and use in the field
  • Uses Testo Smart Probes App for real-time readings
  • Generate multi-point and timed average measurements
  • Export measurement reports as PDF or Excel files
  • Enables cooling or heating performance checks with 605i
  • Battery-powered with up to 15 hours of use
  • Includes calibration protocol for compliance assurance

 

Technical Specifications
SpecificationDetails
Product nameTesto 405i Thermal Anemometer
Manufacturer part code0560 1405
Measurement principleHot wire (velocity), NTC (temperature)
Air velocity measuring range0 to 20 m/s
Air velocity accuracy±(0.05 m/s + 2.5% of m.v.) (0–2 m/s)
±(0.15 m/s + 2.5% of m.v.) (2–15 m/s)
Air velocity resolution0.01 m/s
Temperature measuring range-20 to +60 °C
Temperature accuracy±0.5 °C
Temperature resolution0.1 °C
Shaft lengthExtendable to 400 mm
Dimensions200 x 30 x 41 mm
Operating temperature-20 to +50 °C
Storage temperature-20 to +60 °C
Battery type3 x AAA micro batteries
Battery lifeApprox. 15 hours
Device compatibilityiOS 7.1+, Android 4.3+, Bluetooth 4.0
App requiredTesto Smart Probes App
Warranty2 years

What’s Included
  • Testo 405i Bluetooth Thermal Hot Wire Anemometer Smart Probe
  • Calibration protocol document
  • 3 x AAA batteries

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