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550i Digital Manifold (2-Way Valve Block)

Testo 550i Digital Manifold (App Controlled) is designed for commissioning, servicing & maintenance of refrigeration systems, air conditioning systems & heat pumps.

Part Number:
0564 2550 02

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192.00 incl. VAT)
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  • Competitive quote
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Testo 550i App Controlled Digital Manifold with 2-Way Valve Block

Testo 550i is equipped with a 2-way valve block, a robust hook and Bluetooth capability!  Complete with Testo Smart App to give engineers the ability to control their daily servicing and maintenance work via their smart phone or tablet.

Testo 550i is compact instrument designed with the most essential features to automatically connect via the Testo Smart App to various Bluetooth probes for temperature, pressure and humidity, thus ensuring maximum flexibility for wireless working.  Its proven quality and great durability guarantees continuously high performance.


Testo 550i Key Features:

  • Designed for use on refrigeration systems, air conditioning systems and heat pumps
  • Fast and easy measurements
  • Clearly presented results and digital documentation
  • All activities, from measurement through to documentation, using the App on your Smartphone
  • The smallest digital manifold on the market Maximum reliability thanks to the extremely robust housing with IP54 protection class
  • Automatic refrigerant-specific calculation of evaporation and condensation temperature in the App
  • Optionally expandable with testo Smart Probes for temperature, humidity and vacuum
  • Convenient refrigerant management in the App with favourites and automatic updates
  • Can be used for applications with A2L refrigerant, taking into account the relevant legislation, norms and guidelines for refrigeration systems


Testo Smart App Key Features:

  • For all applications of the testo 550i - from measurement to documentation
  • Compatible with all Bluetooth-enabled Testo measuring instruments for air conditioning/refrigeration systems and heat pumps
  • Measurement errors are easily prevented thanks to menus that offer optimum support, e.g. for superheating and subcooling
  • Quick analysis thanks to clear presentation of the values, e.g. in a table
  • Create digital measurement reports including photos as PDF/CSV files on site and email them straight away


▶ Testo 550i Videos

Video: Testo 550i, the most compact manifold in the world...

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Video: Testo Smart Probes...

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The various models of the Testo 550i:

  • (0564 2550 02) Testo 550i Manifold only
  • (0564 3550 02) Testo 550i Smart Kit


What comes with the Testo 550i (0564 2550 02)?

  • Testo 550i Digital 2-Way Manifold
  • Batteries (3 x AAA)
  • Calibration protocol
  • Instruction manual
  • Testo Smart App (free download)


What extra comes with the Smart Kit (0564 3550 02)?

  • 2 x Testo 115i Wireless Bluetooth Clamp Thermometers
  • Transport case


Comparison Chart for: Testo 550i Digital Manifold (2-Way Valve Block)

Contents550iSmart Kit
Testo 550i App-Controlled Manifold
Calibration protocol
Testo 115i Wireless clamp temperature probe2
Instrument case