From the manufacturer
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 557s Kit – Reliable tools for HVAC technicians
Whether it’s pressure, temperature, heating or refrigeration – the testo 557s Kit provides every HVAC technician with all the tools needed for efficient and reliable measurements. Data can be displayed on the large, back-lit display or on a smartphone or tablet thanks to the testo Smart App, which allows you to take and view measurements from afar.
- Automatic superheat and subcooling calculations
- 2-way valve block and automated probe connection
- Set of 4 hoses (suitable for all refrigerants) included
- Measures high side / low side pressures and temperatures
- Displays saturation and evaporation temperatures
- Remote monitoring, report generation, and sending reports and invoices via email via Smartphone or Tablet
Handy Features
The testo 557s is equipped with a particularly rugged housing (protection class IP54), a suspension hook, a large display and a 4-way valve block. This enables convenient servicing and maintenance of air conditioning and refrigeration systems, as well as heat pumps.
Advanced Technology
Thanks to the large, graphic display and Bluetooth connection, HVAC/R technicians can control and view all measurements on the digital manifold or remotely via App. A simplified menu structure and guided measurements make the testo 557s a reliable partner.
Versatile HVAC Kit
Your testo 557s Kit includes the Digital Manifold, two wireless 115i temperature clamp probes, the new 552i wireless vacuum probe, as well as a set of four refrigerant hoses, and a protective case. 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
From the brand
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