Choose from over 90 types of refrigerants! Large display with backlight that also supports Japanese language.
The "testo 550s/557s" is a digital manifold that excels in various applications such as vacuum pumping, refrigerant charging, trial operation, and regular inspections. Not only can it accurately measure refrigerant pressure, but it also displays the saturation temperature (evaporation temperature and condensation temperature) according to the selected refrigerant. When a temperature probe is connected, it can calculate superheat and subcooling. It connects wirelessly to a smartphone, allowing for the recording and documentation of measurement results. With the use of optional features, you can utilize vacuum mode and automatic charging mode. 【Features and Functions】 ■ Selectable from over 90 types of refrigerants (R32, R410A, R463A, R407C, R448A, R600a, R290, R134a, R22, etc.) ■ Simultaneous display of pressure, saturation temperature, temperature, superheat, and subcooling ■ Large display with backlight that supports Japanese language display ■ Versatile use for vacuum pumping, refrigerant charging, trial operation, and regular inspections ■ App integration for recording, documenting, and sharing measurement results *For more details, please download the PDF or feel free to contact us.
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basic information
【Accessories】 ■ Magnetic strap ■ Smart Probe testo 552i vacuum gauge ■ Smart Probe testo 115i clamp thermometer ■ Hook-and-loop surface temperature probe (up to Φ75mm) ■ Pipe clamp surface temperature probe (up to Φ65mm) *For more details, please download the PDF or feel free to contact us.
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Testo SE & Co. KGaA is a German global company with 37 local subsidiaries and affiliated companies worldwide, and it forms a network of agents in other regions. Since its establishment in 1957, it has focused on the research and development of portable environmental measuring instruments, releasing products that meet market needs. By proposing high-precision environmental measuring instruments and data management solutions, it has received high acclaim in a wide range of fields, including energy conservation, safety management, environmental protection, and food & healthcare. In Japan, it not only sells measuring instruments but also has established service centers to provide prompt maintenance and the issuance of calibration certificates.