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  • Air speed range: 0.4 to 20 m/s
  • Air speed resolution 0.1 m/s
  • Air speed accuracy: ±0.2 m/s + 2% m.v.
  • Temperature range: 14 to +122°F
  • Temperature resolution: 0.1° F
  • Temperature accuracy: ±0.9° F
  • Humidity range: 0 to 100% RH
  • Humidity resolution: ±0.1% RH
  • Humidity accuracy: ±2.5%RH (5 to 95% RH)

The handheld Testo 410 air velocity meter utilizes an integrated 1.5" diameter vane to measure air velocity from 0.4 to 20 m/s. The Testo 410 air velocity meter is also capable of temperature measurements (model 410-1) or both temperature and humidity (model 410-2).

The Testo 410 air velocity meter features selectable measuring units displayed on a clear, backlit LCD. The unit includes a timed mean value calculation as well as hold and min / max values.

The Testo 410 air velocity meter comes complete with meter, protective cap, wrist strap, belt clip, batteries, and calibration certificate.


Temperature Range14 to 122 °F (-10 to 50 °C)
Temperature Resolution0.1°
Velocity Range80 to 4000 fpm (0.4 to 20.3 m/s)
Temperature Accuracy± 0.9 °F (±0.5 °C)
Operating Temp14 to 122 °F (-10 to 50 °C)
Power Supply2 AAA batteries
Battery Lifew/o backlight 100h
Velocity Resolution1 fpm (0.1 m/s)
Velocity Accuracy± (40 fpm + 2% of reading.)
Additional Information410-1 Velocity / Temperature
410-2 Velocity / Temperature /Humidity Testing
Pressure RangeN/A
Pressure AccuracyN/A
Time ConstantN/A
Relative Humidity Range0 to100 %RH (Model 410-2 Only)
Relative Humidity Accuracy±2.5 %RH (5 to 95 %RH) (Model 410-2 Only)
Relative Humidity Resolution0.1 %RH (Model 410-2 Only)
Volumetric Flow RangeN/A
Volumetric Flow AccuracyN/A
Volumetric Flow ResolutionN/A
Please consider these optional accessories.
Testo Hard Case
Protect your Testo instrument and probes
In Stock
Testo TopSafe Protective Case
Indestructible protection case protects from impact