Testo 557s – Smart Kit for vacuum and filling hoses
4-way digital manifold with wireless vacuum probe, two temperature probes, and a set of fill hoses. A complete solution for evacuating, charging, and maintaining HVAC/R systems.
Description
The Testo 557s Smart Kit for vacuum and filling hoses is an advanced digital manifold , designed to handle all essential tasks on refrigeration and air conditioning systems quickly and precisely.
The combination of the 4-way valve block , wireless vacuum probe and filling hose set allows you to perform evacuations, leak tests, superheating, subcooling and charging operations without having to connect additional tools.
Thanks to the Bluetooth connection, the instrument communicates with the wireless probes and with the dedicated app, simplifying configuration, measurements, analysis and reporting.
The compact, robust and protected structure ( IP54 ) makes the 557s ideal even in demanding work environments and for interventions on different types of systems.
What does the kit include?
- Testo 557s digital manifold
- Wireless vacuum probe (Testo 552i)
- Two wireless temperature clamp probes (Testo 115i)
- Filling hose set for charging operations (four hoses)
- Hard carrying case
- Batteries included
- Test manual and documentation
- Access the app for configuration, measurements and digital reports
Other useful information
- Ready-to-use tool: no need to purchase additional accessories to perform evacuations and charges
- Possibility of measuring vacuum and temperature without cables, thanks to wireless probes
- Digital reports generated directly from the app and shareable with the customer
- Compact and robust design: ideal for technicians who frequently work on construction sites
- Perfect for systems with modern refrigerants, including low GWP blends and gases
Technical features
- 4-way digital manifold with integrated valve block
- Bluetooth connection for wireless probes (vacuum and temperature)
- Compatibility with a wide range of refrigerants
- Graphic display to view all parameters simultaneously
- IP54 protection against dust and splashes
- Automatic superheat, subcooling and vacuum test calculations
- Powered by batteries (4 × AA)
- App-guided interface to reduce configuration errors
- Ideal for complete operations on HVAC/R systems (charging, evacuation, diagnostics)
Applications
- System evacuation and vacuum verification
- HVAC/R System Charging and Balancing
- Maintenance of heat pumps, air conditioners, cold rooms and industrial systems
- Diagnostics through combined pressure, vacuum and temperature measurements
- Interventions on residential, commercial and industrial systems
Available documents
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Testo 557s – Smart Kit for vacuum and filling hoses
