The YELLOW JACKET® refrigeration system analyzer features a full color graphics digital/analog display. Monitors two pressures, two live temperatures, subcooling and superheat, and saturation temperatures (liquid and vapor) for 84 refrigerants. Built-ins include an external, replaceable vacuum sensor, a PT chart screen for all refrigerants, dual K-type temperature-compensated sensor ports and data logging for onscreen review or USB export to a PC.

Ritchie Engineering Co. Inc., YELLOW JACKET Products Div., 10950 Hampshire Ave. South, Bloomington, MN 55438; 800-769-8370 or 952-943-1300; 800-322-8684 (fax); custserv@yellowjacket.com; YellowWithEnvy.com/best

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• Ritchie Engineering Co. Inc.