testo Measuring instrument

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument:
the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

  • Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and longterm measurement, such as CO2
  • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
  • Clear and reliable: large graphic display with parallel display of 3 readings as well as internal data storage and USB port for data export
  • Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters
Article Order Number
Climate Measuring instrument Testo 440 dP, incl. differential pressure sensor 0560 4402


testo fume cupboard probe

For measurements in fume cupboards:
use the fume cupboard probe (with the compatible measuring instrument) to measure air velocity, volume flow and air temperature.

  • Intuitive: clearly structured measurement menu for air velocity measurement and volume flow in laboratory fume cupboards according to DIN EN 14175-3/-4
  • Precise: automatic absolute pressure compensation guarantees accurate measurement results
  • Convenient: hot wire probe with a short response time
  • Intelligent calibration concept
Article Order Number
fume cupboard probe digital, wired 0635 1052