Testo 557s Smart Digital Manifold with Wireless Vacuum and Clamp Temperature Probes and Hose Filling Set - 0564 5572


0564 5572

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The testo 557s digital manifold with 4-way valve block enables you to carry out your measurements on refrigeration and air conditioning systems and heat pumps particularly fast.

The large display also helps you to evaluate the results in graphic form. Stored programs guide you through the measurement and enable the automatic determination of numerous important system parameters such as superheat, pressure drop test or evacuation.

Thanks to the testo 552i Bluetooth vacuum probe included in the kit, the testo 557, as the first manifold ever, makes wireless vacuum measurement possible.

Bluetooth probes for temperature, pressure and humidity can be easily connected directly to the instrument and offer maximum flexibility in their application.

In conjunction with the testo Smart App, you can take care of digital documentation directly on site. In addition to this, you always have the current refrigerants available to you and can set your favourites and transfer them to the instrument. Its proven quality and great durability guarantee the continuously high performance of your manifold in all conditions.

This Testo 557s Smart Vacuum Kit comes with a hose filling set with 4 hoses.


  • 90 built-in refrigerants
  • -1 to 60 Bar Pressure
  • 4-way valve block with four connections (3 x 7/16" – UNF + 1 x 5/8'' – UNF)
  • Compact, easy-to-handle, robust housing with IP 54 protection class
  • External vacuum probe for faster and more reliable evacuation of the system
  • Wireless temperature and vacuum measurements via automatic Bluetooth connection
  • Measures high side / low side pressures and temperatures
  • Guided measurement menus for target superheat, vacuum and pressure loss
  • On-site monitoring and documentation via testo Smart App
  • Large graphic display to evaluate results in graphic form
  • 90 selectable refrigerants in the instrument
  • Refrigerant management in the App with favourites and automatic updates


In this Testo 557s Smart Vacuum Kit, you will receive the following:

  • Testo 557s Smart digital 4-way manifold
  • 1 x Testo 552i wireless Bluetooth vacuum probe
  • 2 x Testo 115i wireless Bluetooth clamp temperature probe
  • Hose filling set with 4 hoses
  • Protective Case
  • Batteries
  • Testo Smart App (free download)
  • Certificate of conformity and user's manual


  • Storage Temperature: -20 to + 60°C
  • Operating Temperature: -20 to +50 °C
  • Battery Type: 4 AA Batteries
  • Battery Life:
      • 250 hours with no illumination, no Bluetooth
      • 100 hours with illumination and Bluetooth
  • Auto Power Off: After 10 minutes when not connected via Bluetooth
  • Dimensions - 229 x 112.5 x 71 mm
  • Resolution - 0.1 °C
  • Vacuum Measurement: 0 to 26.66 mbar/0 to 20000 microns
  • Low Pressure Probe Measurement: -1 to 60 Bar


Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty. Please register your product with provided warranty card.


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