All prices are exclusive of GST
Part no 0564 2550
- 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
- Optionally expandable with Testo Smart Probes for temperature, humidity and vacuum
The Testo 550i app-controlled digital manifold with Bluetooth ®, 2-way valve block and sturdy hook offers extensive measurement technology in an exceptionally compact format. Use this extremely robust manifold to carry out your everyday work on refrigeration and air conditioning systems and heat pumps wirelessly, with ease and reliability. All using the Testo Smart App on your smartphone or tablet.
Testo 550i digital 2-way manifold including batteries (3 x AAA), calibration protocol and instruction manual.
From the measurement itself through to the documentation – thanks to the app, you can have your everyday servicing and maintenance work on your smartphone or tablet. The Testo 550i digital manifold is equipped with Bluetooth, 2-way valve block and a sturdy hook, and can be fully controlled via app and smartphone or tablet – for flexible, fast measurements and digital documentation.
Testo 550i – App-controlled digital manifold with Bluetooth and 2-way valve block.
- For carrying out exceptionally fast, easy measurements on refrigeration and air conditioning systems and heat pumps.
- testo Smart App: Control your servicing and maintenance tasks completely via app and smartphone or tablet, enjoy clearly presented results and digital documentation, set your own favourites, and always have the latest refrigerants.
- Maximum reliability and convenient handling in environments that are difficult to access thanks to an exceptionally compact, extremely robust housing with IP54 protection class.
- Maximum flexibility for working wirelessly: Bluetooth probes for temperature, pressure and humidity automatically connect to the measuring instrument via the testo Smart App.
- Continuously high performance in all conditions: You can depend on this manifold from Testo – it combines proven Testo quality with excellent robustness.
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 min* (*when not connected via Bluetooth)
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
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
The Testo 550i is compatible with the following Testo Smart Probes:
testo 115i - Clamp thermometer operated via smartphone
Part No: 0560 2115 02
testo 605i - thermohygrometer operated via smartphone
Part No: 0560 2605 02
testo 552i - App-controlled wireless vacuum probe
Part No: 0564 2552
Check out the Testo 550i kit which includes x2 115i Bluetooth Clamp Probes
Testo 550i Smart Kit – App-controlled digital manifold with wireless clamp temperature probes. Part No: 0564 3550
Refrigeration systems, air conditioning systems, heat pumps
- Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/sub cooling. All the results can be read simultaneously on one display (in conjunction with the appropriate Testo Smart Probes).
- Tightness test: Recording and analysis of the pressure curve.
- Automatic calculation of the target superheat (in conjunction with the testo Smart App and the appropriate Testo Smart Probes, e.g. testo 115i and testo 605i).
- 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).
- Contact Us
Domestic Shipping Rates:
- NZ Standard Shipping $12
- Heavy Good Shipping $22.50
- Chatham and Stewart Islands $56.50
- FREE shipping when you spend over $300
Important note: Please provide a physical address for delivery. We do not deliver to PO Boxes or Parcel Pods.
Testo Instruments New Zealand
C/- Eurotec Ltd
750C Great South Road
Ph: 09 579 1990