"I want a big display, not a postage stamp which I’m almost going to need a magnifying glass for."
Stefan,
refrigeration technician
testo 550s / testo 557s
The two new ones.
First choice
for every job.
For Stefan, we equipped the new, digital manifolds with large, clear, graphic displays and Bluetooth.
That gives him all values at a glance, and the commissioning, service and maintenance of air conditioning and refrigeration systems are carried out faster and more easily than ever before.
- 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 - Simple, wireless measurement
of vacuum and temperature via automatic Bluetooth connection - Even greater flexibility
for your measurements and documentation with the testo Smart App
Everything at a glance.
- Extra-large graphic displays,
- the testo Smart App and
- intuitive user guidance
make measurements faster and easier than ever before.
The advantages are obvious.
Compact, handy and robust:
- The rugged housing
- does its job reliably
- even under extreme conditions.
Smart and smart belong together.
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 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