Testo 550s – digital manifold
- 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
- Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth®
- In the kit: testo 550s smart digital manifold with Bluetooth and 2-way valve block, 2 x clamp temperature probes (fixed cable, NTC), case
Testo 550s Basic Kit – Smart digital manifold with fixed cable clamp temperature probes
With this kit, you’ll be ready to start your measurements in the commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps straight away: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two fixed cable clamp temperature probes (NTC) and a robust transport case. Additional Bluetooth probes, e.g. for wireless measurements of temperature and vacuum, are available separately.
Testo 550s – Smart digital manifold with Bluetooth and 2-way valve block
- 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
Transport case – for digital manifolds
- Robust design for daily use
- Stow away all kit components, including hoses, quickly and safely
- All in one: One app for all Bluetooth®-enabled Testo measuring instruments for air conditioning/refrigeration systems and heat pumps
- Quick and easy: Measurement menus for numerous applications provide optimum support in configuring and carrying out measurements, e.g. superheating/subcooling
Technical Data
| General technical data |
| Weight |
826 g |
| Dimensions |
210 x 121 x 60 mm (LxWxH) |
| Operating temperature |
-20 to +50 °C |
| Protection class |
IP54 |
| System requirements |
requires iOS 12.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0 |
| Product colour |
Black |
| Auto-off |
10 min* |
| Battery type |
4 x type AA batteries |
| Battery life |
250 h with no illumination, no Bluetooth®; 100 h with illumination and Bluetooth® |
| Data transfer |
Bluetooth® |
| Radio range |
150 m |
| Refrigerants in instrument |
R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A; R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A; R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂) |
| 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 |
| 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 |
| Overload rel. (high pressure) |
65 bar |
| General technical data |
| System requirements |
requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0 |
