Testo Smart Probes

Refrigeration systems, air conditioning systems, and heat pumps

To ensure that refrigeration, air-conditioning, and heat pump systems function smoothly, cost-effectively, and in an environmentally friendly manner, their functions must be checked regularly. The testo Smart Probes range makes measuring temperature, pressure, humidity, and flow easier and more mobile than ever before. Testo Smart Probes are always ready for immediate use.

How testo Smart Probes offer support for refrigeration systems, air conditioning systems, and heat pumps

  • Long-term measurement of system pressure with the testo 549i Smart Probe High-Pressure Gauge

  • Check for compressor leaks with the testo 549i Smart Probe High-Pressure Gauge.

How the testo Smart App helps you in this application:

  • Recording and analysis of the pressure curve

Our recommendations:


testo Smart App

  • Wireless operation and readout on your smartphone or tablet – from a distance of up to 300 Feet

  • Changes in values displayed immediately – as a graph or table

  • Stored measurement programs guide you through different applications.

  • Customer data and measurements are stored and managed in the testo Smart App.

  • Data logs can be supplemented with images and sent as PDF or Excel file, or transferred to testo Data Control PC software

Find out more


Compatible with all Bluetooth-enabled Testo Smart Instruments


Direct report sent by e-mail


All values at a glance


Intuitive measurement menus


Free download, free use


testo Smart Probes

testo Smart Probes at a glance

testo Smart Probes

Overview of testo Smart Probes and testo Smart Probes kits

More information