1. Home
  2. Products
  3. Original Testo Smart Probes

Smart Probes

Testo Smart Probes allow more mobile and easier measurement of temperature, pressure, humidity and air flow velocity than ever before. The compact professional measuring instruments are ideal for all your refrigeration, air conditioning, heating and ventilation applications and can be operated with the testo Smart App from your own smartphone or tablet.

Testo Smart Probes

Testo Smart Probes: Compact professional measuring instruments for your smartphone

  • Comprehensive range of measuring instruments for monitoring temperature, pressure, humidity and flow velocity

  • Practical kits for the most important applications in heating, air conditioning, ventilation and refrigeration

  • Operation and documentation completely via testo Smart App

Testo Smart Probes offer these features

Practical kits

In short, Smart Probes are small smartphone measuring instruments. Each of the compact measuring instruments fulfils a very specific measuring task when it comes to monitoring temperature, pressure, humidity and flow. They are all easy and convenient to operate and evaluate via the Free testo Smart App.

Small smartphone measuring devices

Testo Smart Probes Overview

Smart Probes application

Smart Probes for ventilation systems

Ventilation systems

More info

Ventilation systems

  • Volume flow in ducts and at outlets

  • Temperature/humidity measurement in ducts

Smart Probes for air conditioning/refrigeration systems and heat pumps

Refrigeration systems

More info

Air conditioning/refrigeration systems and heat pumps

  • Leakage testing

  • Superheating and subcooling

  • Target superheating

  • Cooling and heating output

  • Vacuum measurement

Smart Probes for indoor climate

Indoor air quality

More info

Indoor air quality

  • Measurement of room temperature

  • Measurement of relative humidity

Smart Probes for conventional heating systems

Smart Probes for indoor climate

More info

Conventional heating systems

  • Non-contact temperature measurement

  • Measurement of flow and return temperatures

  • Measurement of gas flow pressure

Smart Probes measure
these parameters

Pressure measurement with testo Smart Probes

Hose-free high-pressure measurement and differential pressure

Pressure

Measuring temperature with testo Smart Probes

Surface temperature using infrared, clamp thermometer on lines, air temperature

Temperature

Measuring relative humidity with testo Smart Probes

Relative humidity conjunction with temperature

Humidity

Measuring air flow and volume flow with testo Smart Probes

Air flow velocity measurement and determination of volume flow in ducts or at outlets

Air flow velocity

Advantages

testo Smart App

  • Wireless operation and reading of measuring values on your smartphone or tablet – from a distance of up to 100 metres

  • Changes in measured values quickly displayed – as a graph or table

  • Stored measurement menus guide you through different applications.

  • Customer data and measuring points can be stored and managed in the Free Testo Smart App.

  • Measured data logs can be supplemented with images and sent immediately as PDF or Excel files, or transferred to data control PC software

Brochure

testo Smart Probes

Find everything you need to know about the testo Smart Probes at a glance.

Contact Us
Testo Ltd
Newman Lane
GU34 2URAlton
HampshireUnited Kingdom
01420 544433

Opening hours

Monday-Thursday: 8:30am - 17:00pmFriday: 8:30am - 16:00pm
Image
Blog

Visit our blog

© 2026