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Easier, more flexible measurements and documentation: With the testo 557s digital manifold with Bluetooth and 4-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.

testo 557s – Smart digital manifold with Bluetooth and 4-way valve block
For exceptionally fast measurements on refrigeration and air conditioning systems and heat pumps
Large graphic display for easy evaluation of measurement results
Stored programs guide you through the measurement and make it possible to automatically determine key system parameters such as superheating, pressure drop test or evacuation
Straightforward to handle, with maximum flexibility for your application: Bluetooth probes for temperature, pressure and humidity connect to the manifold automatically
testo Smart App: Create digital documentation straight away on site, set your own favourites, always have the latest refrigerants thanks to automatic updates
Continuously high performance in all conditions: You can depend on this manifold from Testo – it combines proven Testo quality with excellent robustness

DELIVERY SCOPE

Are you interested in this measuring instrument? Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away.

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  • All results at a glance thanks to the large graphic display
  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
  • Simple, wireless measurement of vacuum and temperature via automatic Bluetooth® connection
  • Even greater flexibility for your measurements and documentation with the testo Smart App
  • Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All results can be read simultaneously on one screen
  • Tightness test: Recording and analysis of the pressure curve
  • Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe)
  • Measure vacuum: Graphic progression display of the measurement with indication of the start and differential value
  • Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)

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