The Testo 605i is a compact Bluetooth thermohygrometer that pairs with the testo Smart Probes App on your smartphone or tablet to measure air temperature and relative humidity in rooms, ducts and air conditioning systems. It automatically calculates dew point and wet-bulb temperature in the app, and flags mould-risk areas using a traffic light colour system when used alongside the Testo 805i infrared thermometer.
Measurement data is displayed as a chart or table, and can be emailed directly as a PDF or Excel file from the field. Browse the full Testo Smart Probe range or see all Testo HVAC instruments at HVAC Shop AU.
Key Features
- Measures air temperature and relative humidity in rooms, ducts and A/C systems
- Automatic dew point and wet-bulb temperature calculation in the app
- Mould-risk identification via traffic light principle (with Testo 805i)
- BTU/H calculation in combination with Testo 405i anemometer
- Automatic superheat and enthalpy calculation via app
- Bluetooth data transmission to smartphone or tablet
- Data displayed as chart or table; export as PDF or Excel
- Compatible with iOS 8.3+ and Android 4.3+
Technical Specifications
| Model | Testo 605i |
| Measurements | Air temperature, relative humidity, dew point, wet-bulb temperature |
| Connectivity | Bluetooth 4.0 |
| App | testo Smart Probes App |
| iOS Compatibility | iOS 8.3 or later |
| Android Compatibility | Android 4.3 or later |
What's Included
- Testo 605i thermohygrometer
- Batteries
- Calibration protocol
Pair With Complementary Tools
- Testo 805i Infrared Thermometer – combine with the 605i to identify mould-risk areas via the traffic light principle in the Smart Probes App.
- Testo 405i Hot-Wire Anemometer – pair with the 605i to calculate BTU/H and volume flow in the App.
- Bluetooth Smart Tools – browse the full range of Testo Smart Probe instruments.