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.
Details
Product Description
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.
Technical Data
| 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®h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth® |
Radio range | 150 m |
Pressure media | CFC |
Refrigerants in instrument | R1234yf; R744 (CO₂); R437A; R503; R452A; R500; R114; R444B; R407H; R422B; R434A; R410A; R290; R449A; R401B; R407F; R13; R123; R718 (H₂O); R404A; R125; R416A; R421B; R422C; R448A; R22; R407A; R409A; R12; R454B; R414B; R442A; R1233zd; R420A; R424A; R458A; R427A; R450A; R124; R502; R1234ze; R600a; R23; R402B; R455A; R454A; R407C; R453a; R513A; R401A; R422D; R402A; R507; R454C; R408A; R421A; R134a; R32; R452B; R438A |
System requirements | requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0 |
Refrigerants update via App | R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22 |
Storage temperature | -20 to +60 °C |