testo 550i
Fully smart, fully wireless:
The smallest manifold
of all time.

Manfred, refrigeration plant fitter
Manfred, refrigeration plant fitter

"A measuring instrument is a tool – and first and foremost, it needs to be tough."

Manfred,
refrigeration plant fitter

testo 550i

Manfred is happy that testo 550i, the smallest manifold in the world, is not only robust and reliable, but can be easily operated via smartphone.

  • Maximum reliability
    thanks to the extremely robust housing with IP54 protection class
  • The smallest digital manifold on the market
  • All activities, from measurement through to documentation,
    using the testo Smart App on your smartphone
  • Optionally expandable with testo Smart Probes
    for wireless measurement of temperature, humidity and vacuum

The advantages are obvious.

Compact, handy and robust:

  • The rugged housing
  • does its job reliably
  • even under extreme conditions.

Fully App-controlled.

The testo Smart App with its intuitive user-guidance makes measurements

  • faster,
  • easier
  • and more convenient than ever before.

A smart team.

Wireless measurement, uncomplicated documentation

  • with Bluetooth probes,
  • testo Smart App and
  • free testo DataControl PC software.

Find your perfect kit.

testo 550s Basic Kit
 

  • Digital 2-way manifold
  • Immediately ready to go with the kit including two cable clamp temperature probes
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries

testo 550s Smart kit
 

  • Digital 2-way manifold
  • Immediately ready to go with the kit including two wireless clamp temperature probes
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries

testo 550s Smart kit
with hoses

  • Digital 2-way manifold
  • Immediately ready to go with the kit including two wireless clamp temperature probes and three filling hoses
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries

testo 550s Smart Vacuum Kit
 

testo 550s Smart Vacuum Kit with hoses

US Smart Vacuum Kit with hoses

testo 557s Smart Vacuum Kit
 

  • Digital 4-way manifold
  • Immediately ready to go with the kit including two wireless clamp temperature probes and wireless vacuum probe
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries/li>

testo 557s Smart Vacuum Kit
with hoses

  • Digital 4-way manifold
  • Immediately ready to go with the kit including two wireless clamp temperature probes, wireless vacuum probe and four filling hoses
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries

testo 550i Smart Kit
 

  • Smart, fully digital manifold
  • Immediately ready to go with the kit including two wireless temperature probes
  • Cleverly stowed in the practical case
  • Including calibration certificate and batteries

testo 550i Smart Kit with micron gauge

 

testo 550i Smart Kit with micron gauge and thermohygrometers