Pressure measurement

The practical kit makes it even easier to work on air conditioning and refrigeration systems: the testo 550 digital manifold, including set of 3 filling tubes, enables you to get down to work straight away! The instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can be connected to your smartphone/tablet via the testo refrigeration App. Thanks to the App, the display and documentation of the measurement results are particularly convenient.

• Extensive accessories included: set of 3 filling tubes, 2 x clamp temperature probes and transport case

• Automatic superheating/subcooling calculation for 60 refrigerants: no more need for error-prone manual calculations

• With a practical App: (remote) display, graphical progression display, documentation of readings and refrigerant updates

• Temperature-compensated leakage test

The Testo 550 refrigeration gauges instantly displays superheat and sub-cooling for up to 60 refrigerants. It also measures high / low side pressures and temperatures. With its free Bluetooth linked App, the Testo 550 opens up new possibilities for efficient analysis and documentation. 

• 60 Built in refrigerants 

• Additional 12 month (3 year) product
  warranty with registration 

• On-site Reporting/ Monitoring Via Testo Refrigeration App 

• Simplified menu structure 

Practical kit for work on air conditioning and refrigeration systems, as well as on heat pumps: the testo 557 digital manifold, including set of 4 filling tubes, enables you to get down to work straight away! The testo 557 digital manifold fulfils numerous functions in just one instrument: including superheating/subcooling calculation, vacuum measurement and temperature-compensated leakage test. You can also use a practical App to monitor the manifold via your smartphone/tablet and to store the measurement results or send them by e-mail.

• Extensive accessories included: set of 4 filling tubes, 2 x clamp temperature probes, precise external Pirani gauge for vacuum measurement and transport case
   

• Calculation of superheating and subcooling in real time for 60 refrigerants: no error-prone manual calculation

• Connection to smartphone/tablet App: remote monitoring, clever measurement documentation and refrigerant updates

• Temperature-compensated leakage test, automatic ambient pressure measurement

The testo 557 digital manifold fulfils numerous functions, which are required for working on refrigeration systems and heat pumps, in just one instrument: for example superheating/subcooling calculation, vacuum measurement, temperature-compensated leakage test. You can also use a practical app to monitor the manifold via your smartphone/tablet and store the measurement results or send them by e-mail.

• 60 Built in refrigerants 

• External vacuum probe for faster and more reliable evacuation of the system 

• 4-way valve block with 1/4 in. and 3/8 in. ports 

• Additional 12 month (3 years) product
  warranty with registration 

The testo Smart Probes AC & refrigeration test kit is ideally suited for testing air conditioning and refrigeration systems and installing them. The large testo HVAC softcase enables the measuring instruments to be conveniently transported and ensures that they are always to hand when they are needed.

• Fast and simple installation of the testo 549i high-pressure measuring instrument directly onto the pressure connection

• Low refrigerant loss thanks to hoseless application

• Automatic calculation of evaporation and condensation temperatures and simple selection from more than 80 refrigerants via testo Smart Probes App

• Large testo HVAC softcase: store additional testo Smart Probes for further applications in the heating, air conditioning and ventilation field safely

The testo Smart Probes Refrigeration set is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems, as well as for installing them. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed.

• Low refrigerant loss thanks to hose-free application

• Quick and easy installation directly at the pressure connection

• Easy refrigerant selection

• Automatic calculation of the evaporation and condensation temperature via testo Smart Tools App 

Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.

• Measurement data monitoring via testo Smart Probes App

• Measurement data dispatch via testo Smart Probes App

• Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display

• Measures pressure and calculates the evaporation temperature of H₂O automatically

The testo 549 digital manifold offers many advantages in comparison with analog manifolds: the instrument will make it easier for you to work on refrigeration systems and heat pumps. With its integrated temperature measurement and automatic calculation of superheating/subcooling, you can now do away with additional measurements and manual comparisons (when using an optional clamp probe). You can also use the manifold for 60 current refrigerants.

• 60 current refrigerants stored in the instrument

• Additional 12 month (3 year) product warranty with registration 

• Large 2-line backlit display 

• Digital accuracy performs more reliably than analog manifold gauge sets for more precise readings 

The testo 570-2 is a digital 4-way manifold gauge that combines the functions of all the old tools and measuring instruments it can so easily replace. The hvac manifold can measure, analyze and log – among other things – pressure, temperature, electricity and vacuum measurements.

• 40 refrigerant profiles stored in the instrument 

• Additional 12 month (3 years) product warranty with registration 

• Automatic heat pump mode – no need to replace refrigerant hoses 

• Real time data measurement and graphical editing with EasyKool software 

The professional and compact testo 549i high-pressure measuring instrument can be controlled via the testo Smart Tools App using your smartphone or tablet, and is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems. The App also enables evaporation and condensation temperatures to be calculated automatically. 

• Measurement of high and low pressure

• Quick and easy installation at the pressure connection

• Low refrigerant loss thanks to hose-free application

• Measuring range -1 to +60 bar

Low pressure probe, refrigerant-proof stainless steel, up to 10 bar