Products
Scope of application
Flue gas / emission measuring devices
Temperature measuring instruments
Pressure measurement
Environmental monitoring
CO2, CO, light, sound, rpm
Flow measurement
Moisture meters
Electrical measurement
Thermal imaging cameras
Other measuring devices
Services
Product registration
Download
Knowledge database
Calibration and GxP services
Customized Probes
Solutions
Application area
Regulatory Monitoring System
Food Safety Management
News / Promotions
Do your food checks
HVAC/R world of Testo
Measurement technology that sets standards
Together against food waste
Discover the unseen
Made to make it easy
Safe food
Company
About Testo
Work at Testo
Find a dealer
Volume flow measurement in ducts and at outlets with testo 400
Universal IAQ instrument testo 400
Product details