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Testo was founded in Lenzkirch, in the Black Forest region of Germany, in 1957 and has since designed, developed, and manufactured portable test and measurement instrumentation and solutions. Backed by 60 years of measuring engineering experience, testo\'s mission is to provide the highest quality, service, and value in the industry.
Testo\'s first product manufactured was a simple electronic thermometer. Today, the product line has expanded to include a large variety of temperature measuring instruments, such as data loggers, air velocity meters, humidity and dew point meters, refrigeration service analyzers, multifunction instruments, stack gas analyzers and air emission monitors, water analyzers, tachometers, sound, pressure, and light meters, and thermal imagers.
Testo 552i - App controlled, wireless vacuum probe for your convenience
The testo 552i vacuum probe automatically connects to the digital manifolds testo 550s and testo 557s via Bluetooth. It is perfect for quick vacuum measurement thanks to the option of measuring vacuum wirelessly and via just one service port. Thanks to the testo Smart App, you can take and view measurements from afar using a mobile device like a tablet or smartphone.
- Precise deep vacuum measurements down to single digit resolutions
- Built-in 45° angle for convenient installation and usage
- Can be used via just one service port with no loss of refrigerant
- Remote monitoring, report generation, and sending reports and invoices via email via Smartphone or Tablet
Handy Features
The testo 552i is equipped with a particularly rugged housing (protection class IP54) and an integrated 45° angle for easy installation. It allows you to measure vacuum via just one service port and with no loss of refrigerant, thus enabling convenient servicing and maintenance of all HVAC systems.
Compact and reliable
Thanks to Bluetooth connectivity and the testo Smart App integration, HVAC/R technicians can control and view all measurements made with the testo 552i on the digital manifold screen or remotely via App. Thanks to its proven quality and great durability, you can rely on your wireless vacuum probe in any conditions.
Versatile HVAC Kit
The testo 552i can be used with the testo 557s (and 550s) Digital Manifolds, thus making it the perfect addition to the testo Smart Probes portfolio. The tool connects to the respective manifold automatically. Optional probes and accessories are available separately.
All data in a single App
Control your instrument remotely and navigate through all measurement data via Smartphone or Tablet. Quickly and conveniently document your job, finalize your report and send it out via email - directly from the job site.
- Wireless operation of measuring instrument
- Upload new refrigerants instantly via App
- Automatic calculation and display of measurements in easy-to-read formats
- Stored measurement programs that guide you step by step through the configuration
- Generate lists, trending graphs, and tables
- Generate reports at the push of a button, include photos, and then send via email
