
Testo 405 Thermal Anemometer
Product Summary:
The Testo 405 is a compact thermal anemometer ideal for measuring air velocity, volumetric flow, and air temperature in ducts and indoor spaces.
Key Features:
Measures air velocity from 0 to 10 m/s
Volumetric flow measurement up to 99990 m³/h
Air temperature measurement from -20 to +50 °C
High accuracy in low airflow (0–2 m/s)
Telescopic probe extendable up to 300 mm
Large, easy-to-read display
Lightweight and portable design
Applications:
Ventilation duct airflow diagnostics
Indoor air velocity and draft detection
HVAC system inspection and balancing
Laboratory and cleanroom airflow measurement
Product Benefits:
Ensures energy-efficient ventilation system performance
Quick and precise spot measurements
Reliable results even in low airflow zones
Compact design for convenient field use
FAQs
Q1. Can the Testo 405 measure both airflow and temperature?
A: Yes, it measures air velocity, volumetric flow, and air temperature simultaneously for comprehensive HVAC diagnostics.
Q2. Is the probe suitable for narrow ducts?
A: Yes, the telescopic probe extends up to 300 mm, making it ideal for reaching into confined or narrow duct spaces.
Q3. What industries commonly use the Testo 405?
A: It is widely used in HVAC, facility management, cleanrooms, and environmental testing.