Uploaded February 2026 | Updated September 2026, 3 hours ago

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What Makes the testo 550s Digital Manifold Stand Out

Discover why the Testo 550s Digital Manifold Kit is a favorite among HVAC professionals. Featuring a large, easy‑to‑read graphic display, Bluetooth connectivity, and advanced measurement menus, the 550s makes it simple to measure pressures and temperatures on refrigeration and air conditioning systems.

Highlights Include:
• Robust, field‑ready design with IP54 protection
• Bluetooth connection to the Testo Smart App
• Automatic system diagnostics and reporting
• Fast superheat & subcooling calculations
• Wide temperature & pressure measurement ranges

🔗 Learn more or get yours today: itm.com/product/testo-550s-digital-manifold-kit-0564-5501-01

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