testo 550i, Digital 2-way manifold, including batteries (3 x AAA), calibration protocol, and instruction manual

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  testo 552i, App-controlled vacuum smart probe

  Including batteries and a factory calibration protocol

  Fast and simple vacuum detection using graphs in the App or on the display of a digital manifold

  Automatic Bluetooth connection to the testo Smart App and digital manifolds

  Exceptionally compact and reliable thanks to a convenient and robust casing with IP 54 protection class

  Easily connects to any service port with the integrated 45° angled connector

  Use the testo 552i Bluetooth vacuum probe for fast, simple, and accurate vacuum measurement through just one service port – with no refrigerant loss. In the testo Smart App, you’ll have numerous smart functions—for example, you can see the vacuum just by glancing at the graph in the App or on the manifold’s display. Thanks to the robust, convenient casing and proven sensor technology, the vacuum probe will be your reliable partner for measurements in refrigeration, air conditioning, and heat pump systems.

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  testo 550s, Set 1 Digital manifold and fixed-cable temperature clamp probes

  • All results are clearly visible on the large graphic display
  • Exceptional compactness and reliability thanks to a convenient and robust casing with IP 54 protection class
  • Simple, wireless, and flexible measurements and documentation of results: automatic connection to temperature and vacuum probes via Bluetooth®, the testo Smart App for documentation, and other useful functions.

  With this set, you will be immediately ready for the necessary measurements for commissioning, service, and maintenance of refrigeration systems, air conditioning systems, and heat pumps: the set includes the testo 550s digital manifold with a 2-way valve block and Bluetooth, two pipe clamp probes (NTC) with fixed cable, and a robust transport case. Additional Bluetooth probes, for example, for measuring temperature and vacuum, can be ordered separately.

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  testo 549i, High-pressure gauge, App-controlled

  Including batteries and a factory calibration protocol

  • Measurement of high and low pressure
  • Minimal refrigerant loss due to hoseless connection
  • In the testo Smart Probes App, measurement data is displayed as a graph or table and can then be forwarded
  • Convenient operation at remote measuring points thanks to a large Bluetooth® range of up to 100 m

  The testo 549i professional compact high-pressure gauge is controlled via the testo Smart Probes mobile App on your smartphone or tablet. This instrument is ideal for servicing and diagnosing refrigeration and air conditioning systems. Using the mobile App, you can also automatically calculate evaporation and condensation temperatures.

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  testo 558s, Digital manifold with 4-way valve block

  Including batteries (4 AA cells) and a factory calibration protocol

  Thanks to the touchscreen and the large color display, configuration, control, and documentation are significantly simplified. This makes operating the manifold intuitive and fast. For use with gloves, the manifold can also be operated using buttons in addition to the touchscreen.

  Ready for use with any refrigerant

  For maximum safety, the manifold is also compatible with flammable refrigerants of classes A3 and A2L. Thanks to a wide selection of over 96 refrigerants, all common refrigerants are stored in the manifold. Frequently used refrigerants can be marked as favorites so they can be quickly found at any time.

  With a high accuracy of 0.25 full-scale measurements and a new clear measurement graph, equipment evaluation becomes simple and reliable.

  Data evaluation is significantly simplified thanks to new 30-minute trend graphs. Expansion to long-term measurement is possible upon request and available for an additional charge via the testo Smart App. This allows data to be tracked and analyzed over a longer period of time.

  Readings can be directly exported and sent as a measurement log via the testo Smart App, allowing documentation to be completed in a few clicks right on site.

  Whether it’s superheat and subcooling, leak testing, pressure drop, evacuation, or filling – thanks to a wide range of measurement programs and the ability to connect to the entire Testo refrigeration portfolio, all applications can be monitored and documented using the manifold.

  The IP 54 protection class ensures high robustness and durability.

  Thanks to free Over-the-Air Updates (OAT), the manifold can be regularly updated. For example, this is used to add new refrigerants and ensure connectivity to new products.