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Testo
Use the testo 405 thermal anemometer to measure air velocity, volumetric flow and air temperature. It is suitable for carrying out quick check measurements in ventilation ducts and for measuring the air velocity in rooms, e.g. at draughty windows.
Temperature - NTC
Measuring range -20 to +50 °C
Accuracy ±0.5 °C
Resolution 0.1 °C
Velocity -Thermal anemometer
Measuring range 0 to 5 m/s (-20 to 0 °C)
0 to 10 m/s (0 to +50 °C)
0 to 99990 m³/h
Accuracy ± (0.1 m/s + 5 % of mv) (0 to 2 m/s)
± (0.3 m/s + 5 % of mv) (Remaining Range)
Resolution 0.01 m/s