Testo 915i Smart Probe Thermometer (Immersion/Penetration Probe)

  • Wireless for quick, cable-free readings
  • Works with standard type K probes for versatility
  • Includes fast immersion probe for liquids and semi-solids
  • Smart App lets you view, log & export data
  • Bluetooth with 100m range and auto-pairing
  • Secure probe lock for reliable readings
  • Factory-calibrated for instant accuracy
£106.80 £89.00

Availability: In stock

Ships today if ordered in the next 2 hours and 12 minutes!

Product Code
TESSMARTPRO-915I-P

Free Delivery

90-day Returns

Technical Support

Testo 915i Smart Probe Thermometer (Immersion/Penetration Probe)

What is the Testo 915i Wireless Thermometer?

The Testo 915i Wireless Thermometer is a Bluetooth-enabled smart temperature measuring tool designed for fast, accurate readings in liquids, pastes, and semi-solid materials. Ideal for UK electricians and HVAC professionals, it pairs seamlessly with the Testo Smart App and standard type K thermocouple probes, offering maximum flexibility for a wide range of temperature measurement tasks on-site.

Engineered for reliability and ease of use, the 915i is part of the trusted Testo Smart Probes range and comes with a fast-response immersion/penetration probe as standard.

How does the 915i simplify temperature testing on-site?

The 915i automatically connects to your smartphone, tablet, or compatible Testo instrument via Bluetooth, with a range of up to 100 metres. The free Testo Smart App allows you to view real-time readings, log temperature trends, and generate reports in PDF or CSV format, ideal for fast documentation during inspections or maintenance jobs.

Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.

More Information
ManufacturerTesto
Manufacturer Part Number0563 1915
document Manual (929.99 kB)
document Datasheet (861.97 kB)
  • Measuring range: -50 to +400 °C
  • Probe type: TC type K, class 1
  • Accuracy: ±1.0 °C (system calibration)
  • Probe shaft length: 115 mm
  • Probe shaft diameter: 5 mm
  • Tip diameter: 3 mm
  • Bluetooth range: Up to 100 m (line of sight)
  • Battery type: 3 x AAA micro batteries
  • Battery life: Up to 150 hours
  • Display: Via Testo Smart App (iOS 13+ / Android 8+ required)
  • Data transfer: Bluetooth® to smartphone, tablet, or compatible Testo instruments
  • App functions: Real-time readings, temperature curves, PDF/CSV reporting
  • Probe connection: Lockable to 4 standard Testo 915i probes / standard plug for TC probes
  • Protection class: IP40
  • Product colour: Black / Orange

Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.