Testo 445, VAC measuring instrument, incl. TopSafe, battery and calibration protocol.
The testo 445 VAC instrument measures temperature, relative humidity, dew point, absolute humidity, degree of humidity, enthalpy, all types of air velocity (in ducts, duct openings or extractors), volume flow, pressure and indoor air quality.
 Automatic mean calculation and volume flow measurement
Automatic allocation of duct cross-section to location (max. 99 locations)
Internal data logger (3,000 readings)
Simultaneous measurement of up to 6 parameters
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