174 T BT (white) - Mini temperature data logger with Bluetooth and app connection (including

The testo 174 T BT (white) mini temperature data logger integrates Bluetooth wireless connectivity for seamless data access via the free testo Smart App on iOS and Android devices. Measuring temperatures from -4 DegF to 158 DegF (-30 DegC to +70 DegC) with storage for up to 16,000 readings, the logger delivers professional monitoring performance for regulated storage, food distribution, and indoor climate applications. Bluetooth connectivity enables data readout and analysis from up to 30 meters away without disturbing stored goods or interrupting monitoring - ideal for cold rooms and temperature-sensitive storage areas. The testo Smart App provides intuitive configuration, real-time display, and report generation and export functionality on mobile devices. Automatic data backup during battery changes protects measurement continuity. Includes wall bracket, batteries, and factory test report.