Testo 550i – digital manifold
- All activities, from measurement through to documentation, using the testo Smart App on your Smartphone
- The smallest digital manifold on the market
- Maximum reliability thanks to the extremely robust housing with IP54 protection class
- In the kit: App-controlled testo 550i digital manifold with Bluetooth®
testo 550i – App-controlled digital manifold with Bluetooth and 2-way valve block
The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth, 2-way valve block and sturdy hook, two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. For other wireless measurements, the optional Testo Smart Probes for temperature, humidity and vacuum are the perfect addition. You’ll be ideally equipped to carry out your measuring tasks on refrigeration and air conditioning systems and also heat pumps.
Technical Data
| General technical data |
| Weight |
595 g |
| Dimensions |
77 x 109 x 63 mm |
| Operating temperature |
-10 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 |
| Battery type |
3 AAA micro batteries |
| Battery life |
130 h |
| 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 |
| 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 |
| Temperature – NTC |
| Measuring range |
-40 to +150 °C |
| Accuracy |
±1.3 °C (-20 to +85 °C) |
| Resolution |
0.1 °C |
| General technical data |
| Weight |
127.4 g |
| Dimensions |
183 x 90 x 30 mm |
| Operating temperature |
-20 to +50 °C |
| Product-/housing material |
Plastic |
| System requirements |
requires iOS 11.0 or newer; requires Android 6.0 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 |
