Testo 174H Bluetooth Humidity and Temperature Data Logger (White)

Testo 174H Bluetooth Humidity and Temperature Data Logger (White)

The Testo 174H Bluetooth Humidity and Temperature Data Logger is a compact and reliable instrument designed to be used by HVAC professionals and facilities that require precise monitoring of indoor climate conditions. The Testo 174H BT measures humidity and temperature across a wide range of between –20 °C and +70 °C, with an accuracy of ±0.5 °C.

Thanks to its integrated Bluetooth connectivity, measurement data can be viewed, analysed and shared directly at the measuring point from up to 30 metres away using the free Testo Smart App, available for iOS and Android smartphones or tablets. The app also allows for the creation of customised PDF or Excel reports, complete with images and comments, making documentation straightforward and efficient.

The Testo 174H BT supports long-term monitoring with automatic data backup, even if the battery runs out or is replaced. It provides storage capacity for up to 16,000 readings per channel, ensuring no data is lost. Equipped with durable digital sensors, it delivers dependable performance, making it ideal for monitoring temperature- and humidity-sensitive goods, maintaining building comfort, and supporting routine HVAC commissioning, maintenance and fault diagnosis.

The Testo 174H BT has a housing that carries an IP20 protection rating, offering basic protection against solid objects as well as a measuring cycle of 15 minutes at 25 °C, delivering up to one year of battery life.

Also available in black. 

Part number: 0572 1743 01

Key Features

• Free app including report generation and export function
• Simple data analysis via Bluetooth directly at the measuring point from up to 30 metres away
• Accurate indoor humidity and temperature measurement from -20 °C to +70 °C
• Reliable automatic data backup when the battery is empty or when changing the battery