Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes In the kit: testo 915 Smart Probe with secure locking mechanism for attaching probes, air probe, immersion/penetration probe and surface probe, (all TC Type K, Class 1), testo Smart Case Easy operation, evaluation and documentation with free testo Smart App as well as automatic Bluetooth® connection to smartphones, tablets or Testo measuring instruments (e.g. testo 400, testo 550s) with a range of up to 100 m High measurement accuracy thanks to system calibration ex-works The testo 915i temperature kit with temperature probes will enable you to tackle your temperature measurements with greater speed, flexibility and ease: Included is a wireless thermometer testo 915i, an air probe, an immersion/penetration probe and a surface probe (all TC type K, class 1). The handle is compatible with all standard type K thermocouple probes – making it versatile. Thanks to Bluetooth and the testo Smart App, operation, evaluation and documentation can be carried out with exceptional ease and flexibility.