The testo 174 T BT mini data logger measures temperatures from -4 °F to 158 °F and is ideal for commissioning, inspection and maintenance of all HVAC/R systems. The testo Smart App makes configuration and data analysis simple, and thanks to Bluetooth, readings can be taken from up to 30 metres away.
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 temperature measurement from -4 °F to 158 °F
Reliable automatic data backup when the battery is empty or when changing the battery