Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

Testo 915i - Thermometer with air probe and smartphone operation
Temperature - TC Type K (NiCr-Ni)
Measuring range: -50 to +400 °C
Accuracy: ±1.0 °C (-50 to +100 °C)
±1 % of mv (Remaining Range)
Resolution: 0.1 °C
Reaction time: t₉₀: 60 s
General technical data
Weight: surface probe: 22 g
Bluetooth® handle: 88 g
Dimensions: Bluetooth® handle: 129 x 31 x 31 mm (LxWxH)
Operating temperature: -20 to +50 °C
Product-/housing material: Plastic
Protection class: IP20
System requirements: requires iOS 12.0 or newer; requires mobile end device with Bluetooth 4.0; requires Android 6.0 or newer
Product colour: black/orange
Plug-in probe connection: Lockable connection to 4 standard probes testo 915i; Standard plug-in connection to other common TC probes
Length probe shaft: 99 mm
Diameter probe shaft: 4 mm
Battery type: 3 AAA micro batteries
Battery life: 150 h
Data transfer: Bluetooth®; automatic connection to testo Smart App and Testo measuring instruments
Radio range: 100 m
Storage temperature: -20 to +60 °C