Testo 435-3, multi-functional measuring instrument with built-in differential pressure measurement for air conditioning, ventilation and Indoor Air Quality, with battery and calibration protocol
• Mean value averaging at the touch of a button via time or points.
• Different (telescopic) vane probes available.
• Detachable probe for more convenient measurement.
• Switchable between m/s and fpm.
• Max/min function.
• Mean value calculation via number of points or via time
• Option of printing out values with an infrared printer