Air Conditioning / Refrigeration measuring technology for every job.

  • testo Smart Probes: Perfect for quick testing, and complete diagnostics monitoring, with smartphone operation.
  • testo 550 / 557 Digital Manifolds: Equipped to simplify air conditioning / refrigeration system servicing, with all around innovative features.

Perfect for service.

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

testo AC/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)
  • Low-loss AC/R system checks, with no hoses required!
  • Includes convenient softcase
  • Intuitive operation with the testo Smart Probes App and your smartphone/tablet
Test refrigeration systems with the testo Smart Probes App

testo Smart Probes App

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

More products for AC/Refrigeration service

Adjust AC/Refrigeration systems

Carry out fast and reliable servicing on Air Conditioning / Refrigeration systems with a digital manifold. The testo refrigeration App and Bluetooth also ensure greater convenience during commissioning, maintenance and service in this area!

  • Carry out high-precision measurements in next to no time
  • Ensure tightness of air conditioning / refrigeration systems
  • Test and optimize the efficiency of the system

Evacute AC/Refrig. systems

Evacuate air conditioning / refrigeration systems or heat pumps 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

Leaks on air conditioning and refrigeration systems lead to serious damage to systems and the environment. Use leak detectors which detect all common refrigerants and the smallest leaks.

  • High sensitivity according to EN 14624
  • Detect common refrigerants
  • Alarm in the event of leaks

Electrical testing

Whether multimeters, clamp meters or voltage testers – count on performance, easy application and maximum reliability when it comes to measuring electrical parameters.

  • Clamp meters with a unique clamping mechanism and Bluetooth connection
  • Digital multimeters with automatic measuring range setting
  • Voltage testers which also measure current!