Our refrigeration measurement technology – intuitive, efficient, reliable

Where refrigeration and air conditionings systems and heat pumps need to provide efficient performance, you are always on the safe side with the flexible measuring instruments from Testo:

  • testo Smart Probes AC & refrigeration test kit for fast testing: 2 high-pressure measuring instruments and 2 clamp thermometers in the new, large testo Smart Probes HVAC softcase.
  • Digital manifolds testo 550/557 in a kit with 3-hose/4-hose filling set: The robust allrounders with innovative features for efficient service.

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Perfect for service.

  • Calculation of superheating and subcooling in real time
  • Temperature-compensated tightness testing, automatic ambient pressure measurement
  • 60 refrigerants stored in the instrument
  • User-optimized operation and testo refrigeration App, incl. documentation and refrigerant updates
testo refrigeration App

testo refrigeration App

  • Monitoring of the current measurement
  • Easy refrigerant updates
  • Create reports, adds photos, and send by e-mail

Perfect for testing.

  • 2 high-pressure measuring instruments (testo 549i) and 2 clamp thermometers (testo 115i) in testo HVAC softcase
  • In the softcase: Spaces for further Testo Smart Probes
  • Intuitive operation with the testo Smart Probes App and your smartphone/tablet


testo Smart Probes App

testo Smart Probes App

  • Wireless control of the Testo Smart Probes
  • Calculate evaporation / condensation temperature and superheating / subcooling
  • Analyze measurement data, add photos and send them by e-mail

Testo Refrigeration Knowledge

Download Refrigeration Knowledge
  • Understanding refrigeration systems
  • Main components of refrigeration technology
  • Correct measurement on refrigeration systems

Download application example digital refrigeration measurement technology

  • Efficient adjustment of refrigeration systems
  • Advantages of digital measurement technology over analog manifolds

Download product comparison digital refrigeration measurement technology

Product comparison Testo manifolds
  • Comparison: Analog manifolds vs. digital manifolds vs. Testo Smart Probes


More products for refrigeration service

Adjusting refrigeration systems

Puštanje u pogon i servis - brzo, fleksibilno i precizno

Evacuating refrigeration systems

Evacuate a refrigeration system or heat pump before commissioning. Testo makes sure you always have high-precision vacuum measurement.

  • Reliable monitoring of absolute pressure
  • Monitoring of readings via App
  • Pressure measurement and automatic calculation of the evaporation temperature of water

Finding leaks

Pouzdano otkrivanje najmanjih curenja za sva uobičajena rashladna sredstva

Electrical testing

Sigurno ispitivanje svih električnih parametara opreme i komponenti