HVACR professionals need a refrigerant manifold on nearly every job. Digital manifolds make these jobs faster, easier, and more precise. Check, evacuate, and charge systems faster with the SMAN320. The rugged new screen show everything you need all at once: 2 pressures and 7 temperatures. View your calculated target supeheat while monitoring, in real-time, how your charge is affecting actual superheat and subcooling.