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 hoses, 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 hoses, 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 digital manifold can now make working on refrigeration systems and heat pumps even easier: the instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can now also be connected to a practical smartphone/tablet app. The app makes the operation and the documentation of measurement results significantly more convenient.

• Automatic superheating/subcooling calculation: no more need for manual calculations, which are prone to error

• With a practical app: (remote) display, graphical progress display, documentation of readings

• Temperature-compensated leakage test

• 60 current refrigerants are included in the manifold (update possible via app)

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 hoses, 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 hoses, 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.

• Calculation of superheating and subcooling in real time: no manual calculation, which is prone to error

• Connect to smartphone/tablet app: remote monitoring and smart measurement documentation

• Precise external Pirani gauge for vacuum measurement, temperature-compensated leakage test, automatic ambient pressure measurement

• The 60 most common refrigerants are stored in the instrument, subsequent updates possible (via app)

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 Probes 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

• Calculation of superheating and subcooling in real time (with optional clamp probe): saves you from having to carry

• Temperature-compensated leakage test

• Two temperature-compensated pressure sensors

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 refrigerants already stored in the meter

• Simultaneous superheat and subcooling calculation

• 999 hours of measuring data for logging and further evaluation on your PC

• Includes 2-clamp temperature sensor, PC software, USB cable, power adaptor and carry case

The professional and compact testo 549i high-pressure measuring instrument can be controlled via the testo Smart Probes 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

Purchasing the testo 570-1 digital manifold will ideally equip you to carry out quick, reliable measurements on refrigeration systems and heat pumps: carry out pressure, temperature, current and vacuum measurements as well as temperature-compensated tightness tests. Moreover, it calculates superheating and subcooling simultaneously.

• 40 refrigerants are stored in the instrument

• Calculation of superheating and subcooling possible in parallel

• 999 hours of recording readings

• Set includes a clamp temperature probe for measuring the surface temperature of pipes

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