174 H BT (white) - Mini data logger for temperature and humidity with Bluetooth and app

The testo 174 H BT (white) mini data logger combines simultaneous temperature and humidity monitoring with Bluetooth wireless connectivity, providing a professional, cable-free monitoring solution for regulated storage, food distribution, archive environments, and climate-sensitive supply chains. Measuring temperature from -4 DegF to 158 DegF (-20 DegC to +70 DegC) and storing up to 16,000 readings per channel, the logger supports extended deployment between readouts. Bluetooth connectivity enables convenient data retrieval, device configuration, and real-time display from up to 30 meters away via the free testo Smart App on iOS or Android devices. App-based report generation and export tools simplify compliance documentation. Automatic data backup during battery changes protects measurement continuity. Includes wall bracket, batteries, and factory test report. White housing enables visual identification in multi-logger setups.