The testo 425 is a compact hot wire anemometer with a telescopic probe, specifically designed for accurate and efficient measurement of air velocity, temperature, and volume flow in ventilation ducts. Its robust design and seamless connection to the testo Smart App make it an essential tool for HVAC professionals.
Key Features
– Precise measurement of air velocity, temperature, and volume flow
– Automatic calculation of timed and point mean values
– Cable-connected telescopic probe extendable up to 820 mm
– Flexible for overhead measurements and large-diameter ducts
– Intuitive configuration and measurement storage through the testo Smart App
– Graph history, second screen option, and data memory within the app
Advantages of Using Testo 425
– Compact and durable construction for everyday professional use
– Fast, easy, and highly accurate readings
– Extended probe length for challenging duct conditions
– Smart App integration for effortless configuration, display, and documentation
The testo 425 combines precision engineering with digital convenience, making it a powerful tool for maintaining efficient and reliable HVAC systems.
Standard set: testo 425 anemometer, transport bag, calibration protocol, batteries.
Code: 0563 0425










