The world novelty from Testo the wireless digital refrigerant scale testo 560i. The measurement of the refrigerant weight is controlled via Bluetooth by the Testo installer aids and the testo Smart App for smartphone and tablet. And together with the smart valve, available separately, the filling of refrigeration systems and heat pumps becomes revolutionarily simple. The scale and valve enable automatic and precise filling according to the target value - thanks to patented technology. In addition, high measuring accuracy, high and stable Bluetooth range, compact and robust housing with low weight and long battery life make the scale a reliable and practical companion.