testo 557s - Smart digital manifold with Bluetooth and 4-way valve block
0564 5570
testo 557s - Smart digital manifold with Bluetooth and 4-way valve block
0564 5570
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
The testo 557s digital manifold with Bluetooth and a 4-way valve block features a large graphic display, a compact, robust housing, guided measurement menus and the testo Smart App. Top-quality measurement technology, a high degree of reliability and smart functions for quick, easy measurements and documentation make the testo 557s manifold a reliable partner for your commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
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
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.
Temperature
Measuring range
-50 to +150 °C
Accuracy
±0,5 °C
Resolution
0,1 °C
Probe connection
2 x Plug-in (NTC)
Pressure measurement
Measuring range
-1 to 60 bar
Accuracy
±0,5 % fs
Resolution
0,01 bar
Probe connection
3 x 7/16" – UNF + 1 x 5/8'' – UNF
Overload rel. (high pressure)
65 bar
General technical data
Weight
1243 g
Dimensions
229 x 112,5 x 71 mm (LxWxH)
Operating temperature
-20 to +50 °C
Protection class
IP54
Product colour
Black
Auto-off
10 min*
Battery type
4 x type AA batteries
Battery life
250 h with no illumination, no Bluetooth<sup>®</sup>h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth<sup>®</sup>
Refrigeration systems, air conditioning systems, heat pumps
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)
