| Accuracy | (1.0 C + 1 % of mv) |
| Battery life | 150 h |
| Battery type | 3 AAA micro batteries |
| Data transfer | Bluetooth; automatic connection to testo Smart App and Testo measuring instruments |
| Diameter probe shaft | 5 mm |
| Diameter probe shaft tip | 12 mm |
| Dimensions | Bluetooth handle: 129 x 31 x 31 mm (LxWxH) |
| In Box | Wireless Smart Probe testo915i with surface probe (TC Type K) including batteries and calibration protocol. |
| Length probe shaft | 136 mm |
| Measuring range | -50 to +350 C |
| MPN | 0563 2915 |
| Operating temperature | -20 to +50 C |
| Plug-in probe connection | Lockable connection to 4 standard probes testo 915i; Standard plug-in connection to other common TC probes |
| Product colour | black/orange |
| Product-/housing material | Plastic |
| Protection class | IP20 |
| Radio range | 100 |
| Reaction time | t: 3 s |
| Resolution | 0.1 C |
| Storage temperature | -20 to +60 C |
| System requirements | requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2 |
| Weight | surface probe: 22 g Bluetooth handle: 88 g |