The Testo 549I SMART probe is a hose-less, wire-less, pressure probe for measuring refrigerant charge in AC/refrigeration systems. It is used for servicing, troubleshooting, and documenting the operation of residential or co...

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The Testo 549I SMART probe is a hose-less, wire-less, pressure probe for measuring refrigerant charge in AC/refrigeration systems. It is used for servicing, troubleshooting, and documenting the operation of residential or commercial AC/refrigeration systems. When two 549I are used in conjunction with two 115I pipe-clamp temperature probes it is easy to monitor superheat and sub-cooling in AC/refrigeration systems. made in United States. Manufactured by Testo, Inc.

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