Testo 405i - Bluetooth Thermal Anemometer Smart Probe

Product Summary:
The Testo 405i is a compact, Bluetooth-enabled hot wire anemometer designed for fast, accurate measurements of air velocity, volume flow, and temperature in ventilation ducts. It works seamlessly with the Testo Smart App for wireless data logging and analysis.

Key Features:

• Measures air velocity (0–30 m/s), volume flow, and temperature (-20 to +60 °C)

• Bluetooth Smart Probe with Testo Smart App support

• Telescopic shaft extends up to 400 mm

• Compact, lightweight (119.6g) design for easy handling

• High precision with ±0.1 m/s + 5% accuracy (at low flow rates)

• Battery life up to 15 hours with 3x AAA batteries

• Real-time data display, trend analysis & reporting via mobile app

• Compatible with iOS 13+ and Android 8+ (Bluetooth 4.2 required)

Applications:

• HVAC system maintenance and balancing

• Air velocity checks in ventilation ducts

• Environmental monitoring in industrial spaces

• Indoor air quality assessments

• Facility management and maintenance audits

Product Benefits:

• Wireless data logging for efficient, paperless operation

• No manual calculations; app handles geometry & flow volume

• Telescopic shaft ideal for hard-to-reach ducts

• User-friendly interface via smartphone/tablet

• Compact design fits in toolbags or pockets

FAQs:

Q. Can the Testo 405i measure both temperature and airflow simultaneously?
A. Yes, it measures air velocity, volume flow, and temperature simultaneously, displaying all parameters in the Testo Smart App.

Q. Is the 405i compatible with all smartphones?
A. The device works with iOS 13.0+ and Android 8.0+ smartphones that support Bluetooth 4.2 or higher.

Q. How is data stored and accessed with the 405i?
A. All measurement data is wirelessly transmitted and logged in the Testo Smart App, where you can save, export, or share reports directly.