560i Kit - Digital Refrigerant Scale and Intelligent Valve with Bluetooth. Charge refrigeration systems, ductless mini-splits, and heat pumps faster, more precisely, and automatically with the testo 560i Digital Refrigerant Scale with Intelligent Valve, a testo Digital Manifold and/or the testo Smart App. Simply enter the charging program, target value for superheating, subcooling, weight, and even target superheat in the manifold or App and the scale and valve will do the rest for you. Your benefits: Saving time and precise charging of the system