The testo 557s digital manifold makes it possible to carry out wireless measurements and digital documentation with its large graphic display. You will receive the testo 557s digital manifold with 4-way valve block, 1 x testo 552i wireless vacuum probe, 2 x testo 115i wireless clamp temperature probes and hose filling set 3x 7/16" UNF and 1x 5/8 UNF. .
Charge refrigeration systems automatically with speed and precision using the testo 560i wireless refrigerant scale, the intelligent refrigerant valve, the testo 557s digital manifold and the testo Smart App. Simply input the charging program, the target value for superheating, subcooling or weight in the app, and let the scale and valve do the rest for you.
Advantages of the testo 557s heat pump all-purpose kit: Carry out your everyday work on heat pumps wirelessly, conveniently and reliably. Thanks to the Bluetooth vacuum probe supplied, you can even measure vacuum without any cables or hoses. All data can be viewed on the large graphic display or on your smartphone or tablet via the testo Smart App.
Product registration
When you register your product, we will extend the regular manufacturer's warranty by one year.
Measuring range | -50 to +150 °C |
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Accuracy | ±0,5 °C |
Resolution | 0,1 °C |
Probe connection | 2 x Plug-in (NTC) |
Measuring range | -1 to 60 bar |
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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 |
Weight | 1243 g |
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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 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> |
Battery type | 4 x type AA batteries |
Radio range | 150 m |
Pressure media | CFC |
Refrigerants in instrument | R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂) |
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 |
* when not connected via Bluetooth |
Measuring range | 0 to 26,66 mbar / 0 to 20000 micron |
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Accuracy | ±(1 ±10 micron + 10 % of mv (100 to 1000 micron) |
Resolution | 100 micron (2000 to 5000 micron) / 1 micron (0 to 1000 micron) / 10 micron (1000 to 2000 micron) / |
Overload | absolute: 6,0 bar / 87 psi (relative: 5,0 bar / 72 psi) |
Weight | 142 g |
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Dimensions | 150 x 32 x 31 mm (LxWxH) |
Operating temperature | -10 to +50 °C |
Protection class | IP54 |
System requirements | requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2 |
Product colour | black/orange |
Auto-off | 10 min* |
Battery type | 3 AAA micro batteries |
Battery life | 39 h |
Connection | 7/16“ UNF |
Interface | Bluetooth® 4.2 |
Storage temperature | -20 to +50 °C |
* when not connected via Bluetooth |
Measuring range | -40 to +150 °C |
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Accuracy | ±1,3 °C (-20 to +85 °C) |
Resolution | 0,1 °C |
Weight | 127,4 g |
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Dimensions | 183 x 90 x 30 mm |
Operating temperature | -20 to +50 °C |
Product-/housing material | Plastic |
System requirements | requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0 |
Product colour | black/orange |
Battery type | 3 AAA micro batteries |
Battery life | 150 h |
Data transfer | Bluetooth® |
Radio range | 100 m |
Storage temperature | -20 to +60 °C |
System requirements | requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0 |
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Operating humidity | 0 to 80 %RH |
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Weight | 4,36 kg (incl. batteries and bag) |
Measuring range | 0 to 100 kg |
Accuracy | Operating temperature +22 °C: ≤ ±(10 g+ 0,05 %rdg) (30 to 100 kg) ≤ ±(10 g+ 0,03 %rdg) (0 to 30 kg) |
Resolution | 0,01 kg |
Dimensions | 310 x 287 x 58 mm (LxWxH) |
Operating temperature | -10 to +50 °C |
Protection class | IP44 |
Battery life | > 70 h at +25 °C |
Battery type | 4 x type AA batteries |
Interface | Bluetooth® 4.2 |
Radio range | 30 m |
Storage temperature | -10 to +50 °C |
Operating humidity | 0 to 80 %RH |
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Weight | 570 g (incl. batteries) |
Dimensions | 95 x 119 x 47 mm (LxWxH) |
Operating temperature | -10 to +50 °C |
Protection class | IP54 |
Product colour | black/orange; silver |
Maximum working pressure | 35 bar |
Battery type | 9 V (6LR61) |
Battery life | >60 hrs + 3000 valve operations |
Interface | Bluetooth® 4.2 |
Radio range | 50 m |
Storage temperature | -10 to +50 °C |