testo 915i - Thermometer with surface probe and smartphone operation

SKU: 5632915

Sale price£90.62 inc VAT


                  • 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

                  • Fast-response surface probe (TC type K, class 1) with sprung thermocouple strip and secure attachment via innovative locking mechanism in the handle, versatile even when it comes to non-planar surfaces, measuring range -50 to +350 °C

                  • 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 wireless thermometer with fast-response air probe and sprung thermocouple strip will enable you to tackle your temperature measurements with greater speed, flexibility and ease, even when dealing with uneven surfaces. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

  • Product Description

    Wireless temperature measurement: The testo 915i thermometer with smartphone operation and Bluetooth is part of the popular Testo Smart Probes portfolio. The thermometer provides fast, reliable measurement results and is versatile and easy to use thanks to the fast-response probe and sprung thermocouple strip – making it ideal for carrying out your temperature measurements on flat or also uneven surfaces, e.g. of pipes.

    testo 915i - Thermometer with surface probe and smartphone operation

    • Fast-response surface probe (TC type K, class 1) with sprung thermocouple strip, measuring range -50 to +350 °C
    • High measuring accuracy up to ±1.0 °C thanks to system calibration ex-works
    • For fast, wireless temperature measurement on flat and non-planar surfaces: The sprung thermocouple strip adapts to the surface – so you get reliable measurement results even when measuring on pipes, for example
    • Innovative locking mechanism on the handle for easy, secure attachment of plug-in Testo measuring probes
    • Versatile in all temperature-relevant applications: Compatible with all Testo and standard type K thermocouple probes
    • testo Smart App: Display of readings, clear graphical presentation of temperature curves, create documentation on site and send as PDF or CSV files
    • Automatic Bluetooth connection to smartphones, tablets or compatible Testo measuring instruments
    • Bluetooth with a range of up to 100 m
    • Handy, robust housing
    • Thanks to its proven quality and great durability, you can rely on your Testo Smart Probe in all conditions

    Delivery Scope

    Wireless Smart Probe testo 915i with surface probe (TC Type K), including batteries and calibration protocol.

    Technical Data

    Temperature - TC Type K (NiCr-Ni)

    Measuring range

    -50 to +350 °C


    ±(1.0 °C + 1 % of mv)


    0.1 °C

    Reaction time

    t₉₀: 3 s

    General technical data


    surface probe: 22 g

    Bluetooth® handle: 88 g


    Bluetooth® handle: 129 x 31 x 31 mm (LxWxH)

    Operating temperature

    -20 to +50 °C

    Product-/housing material


    Protection class


    System requirements

    requires iOS 12.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0

    Product colour


    Plug-in probe connection

    Lockable connection to 4 standard probes testo 915i; Standard plug-in connection to other common TC probes

    Length probe shaft

    136 mm

    Diameter probe shaft

    5 mm

    Diameter probe shaft tip

    12 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


    Storage temperature

    -20 to +60 °C

BrandTESTO (CAT 100)

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