Testo 115i Bluetooth Clamp Thermometer Smart Probe (0560 2115 02) The Testo 115i Bluetooth Clamp Thermometer Smart Probe is a professional measuring tool for engineers who need to measure temperatures across multiple points. Its wireless connection to a smartphone or tablet makes temperature measurement straightforward, even at widely spaced measuring points. The sprung clamp fits pipe diameters from 6mm to 35mm, making it a practical fit for most refrigeration, air conditioning and heating pipework. Paired with the Testo Smart App, readings can be viewed in real time as a chart or table, with data emailed as PDF or Excel reports. Used alongside the Testo 549i pressure measuring instrument, individual refrigeration system parameters can also be calculated. Key Features & Benefits W