The rugged housing of the Testo 550 (0563 1550) Digital Manifold includes a metal frame around the display which protects the digital manifold from impact. Now with 60 refrigerant profiles and added functionality for leak tests, the Testo 550 digital manifold is versatile enough to become the tool for every job. The 550 Digital Manifold instantly displays superheat and sub-cooling for up to 60 refrigerants; it also measures high side / low side pressures and temperatures.

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