Space-saving and compact professional measuring instrument from the Testo Smart Probes series, for use with smartphones/tablets;Wireless Measurement of air flow velocity, volume flow and temperature;Easy configuration (dimensions and geometry) of the duct cross-section for determining volume flow;Measurement data analysed and sent via free testo Smart Probes App. Display of data in graph or tabular form;Requires iOS 8.3 or newer / Android 4.3 or newer and mobile end device with Bluetooth 4.1

• testo 405i - Bluetooth Thermal Anemometer Smart Probe
• Small

testo 405i - Bluetooth Thermal Anemometer Smart ProbeTesto