The easy-to-use testo 480 is a high-precision digital temperature, humidity and air flow meter which allows you to measure, analyze and log all relevant ventilation and indoor air quality parameters with only one device. The high-precision digital temperature, humidity and air flow meter is designed to provide independent experts, consultants, technical service providers and HVAC technicians in the field of ventilation and indoor air quality with an efficient means of carrying out all their measurements – i.e. norm-compliant setting and adjustment of air conditioning and ventilation systems in offices, residential and industrial buildings – using just one single device. It is also designed to check quality parameters in production and processing quickly and reliably. If you would like to find out more about all the other applications that the testo 480 digital temperature, humidity and air flow meter can be used for, please click on the tab labeled applications. The intelligent concept behind the testo 480 The testo 480 has a built-in, high-precision difference pressure sensor for pitot static tube measurements and filter/clean room monitoring. There is also a wide range of high-quality optional sensors for carrying out the following measurements: Air flow and volume flow (also fume cupboard measurements) Temperature Humidity Pressure (difference and absolute pressure) CO2 Illumination intensity PMV/PPD Heat radiation Degree of turbulence WBGT Index