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557S Kit, 4-Valve Smart Digital Manifold w/ 2 Wireless Pipe Clamp Temp. Probes & Wireless Vacuum Probe Product Overview
The testo 557s digital manifold including Bluetooth and 4-way valve block impresses with its large graphic display, its compact, rugged housing, guided measurement menus and the testo Smart App. High-quality measurement technology, high reliability and clever functions for quick and easy measurement and documentation make the testo 557s manifold a reliable partner for commissioning, service and maintenance of refrigeration and air conditioning systems as well as heat pumps. With the testo 557s Smart Vacuum Kit, you are immediately ready for completely wireless measurements. The kit includes the testo 557s smart digital manifold including Bluetooth and 4-way valve block, the testo 552i Bluetooth vacuum probe for wireless and hose-free vacuum measurement, two testo 115i Bluetooth clamp temperature probes and a rugged transport case. Additional Bluetooth probes are available separately.

Product Features
  • testo 557s: Smart digital manifold with Bluetooth and 4-way valve block
  • Large graphic display for easy evaluation of the measurement results
  • Stored programs guide you through the measurement and enable the automatic determination of important system parameters, such as overheating, pressure drop testing or evacuation
  • Uncomplicated handling and maximum flexibility in use: Bluetooth probes for temperature, pressure and humidity automatically connect to the manifold
  • testo Smart App: create digital documentation directly on site, set your own favorites, always have the latest refrigerants thanks to automatic updates
  • Bluetooth vacuum probe testo 552i for wireless and tubeless vacuum measurement
  • Bluetooth clamp thermometer testo 115i for wireless temperature measurement
  • Continuously high performance under all conditions: You can rely on the testo 557s manifold - it combines proven Testo quality with a high level of ruggedness

Product Components
  • (1) testo 557s
  • (2) testo 115i
  • (1) testo 552i
  • (1) Case
  • Manuals
  • Calibration protocol
  • Banderole
  • Batteries
Hide Description
Product Type:







Vacuum Sensor

Operating Temp Range:

-4° to 122°F

-20°C to +50°C


±0.9 °F


32.2 °F

Measurement Range:

-1 to +60 Bar

High Pressure Limit:

65 Bar


2 Years



Micron Rating:



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