Testo 605-H1 - Humidity Stick with Dew Point Calculation (Part Number 0560 6053) Precise measurement of air humidity, air temperature and dewpoint Ideally suited for measurements in ducts Easy read-out of measurement values thanks to bendable joint The thermal hygrometer testo 605-H1 is particularly versatile and convenient to use thanks to its joint. The display can be rotated into different positions, allowing optimum read-out of the measurement values. The long-term stable sensor guarantees correct measurement results even after years. The small, compact testo 605-H1 measures air humidity and air temperature and additionally calculates the dewpoint temperature. The testo 605-H1 is suitable for monitoring air humidity in ducts. The probe shaft has a length of 125 mm and can be ideally positioned in the duct using the holder included in delivery. The rotatable protective cap protects the sensor from dirt and impact.