testo 405 i - thermal anemometer with smartphone operation (Smart Probe)

Thermal anemometer operated withs martphone model testo 405i

Temperature - NTC
Measuring range : -20 to +60 °C
Accuracy : ±0.5 °C
Resolution : 0.1 °C

Velocity - Hot wire anemometer
Measuring range : 0 to 30 m/s
Accuracy : ±(0.1 m/s + 5 % of mv) (0 to 2 m/s)
             ±(0.3 m/s + 5 % of mv) (2 to 15 m/s)
Resolution : 0.01 m/s

General technical data
System requirements : requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Length probe shaft : 400 mm