Pressure measurement - Vacuum

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 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 

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