Charge refrigeration systems and heat pumps faster and more precisely: automatically with the testo 560i wireless refrigerant scale, the intelligent refrigerant valve, a digital manifold from Testo and/or the testo Smart App. Simply enter the charging program, target value for superheating, subcooling or weight in the manifold or App and the scale and valve will do the rest for you. Your benefits: Time saving and precise charging of the system.