Measures air velocity, temperature, relative humidity, wet bulb / dew point, and calculates volume flow
Kit includes instruments to measure, balance, troubleshoot, and optimize ventilation systems performance
RH & air flow measurements in-duct and at registers, viewed simultaneously in the testo Smart Probes app (405i, 410i, 605i)
App calculates system enthalpy with air flow & RH probes; app allows you to photograph objects with a smart device, capturing measurement marker and temperature values for reference and reporting (805i)
Requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
3 micro batteries AAA (per Smart Probe)
15 h (testo 405i), 130 h (testo 410i), 150 h (testo 605i), 30 h (testo 805i)