The testo 400 allows you adjust the indoor climate to comply with standards, thus minimising the risk of staff absences due to illness. With the testo 400 and its extensive probe portfolio, you can determine all relevant parameters quickly, reliably, and intuitively.
Intuitive measurement menus The testo 400 actively assists you in taking standard-compliant measurements. It guides you step by step through the comfort level measurement and assists you in evaluating the measurement results.
Wireless convenience Numerous probes for comfort level and indoor air quality are also available in the wireless Bluetooth variant. This means less stress for you and more space in the measuring case.
IAQ long-term measurement The IAQ data logger can be used independently for long-term measurements with up to six different probes after it has been programmed using testo 400.
Practical accessories Use the measuring tripod for comfort level measurements to position the compatible measuring instrument and the probes in compliance with the standards at all times.