testo 400 Universal Indoor Air Quality (IAQ) instrument. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.
Standard set: testo 400 universal IAQ instrument, transport case, connection hose, mains unit, USB cable, calibration protocol.
