Testo 0560 1549 549I Refrigeration Pressure Smart and Wireless Probe, 1" Height, 1" Width, 5" Length

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.