Design of the Series 3 probe was once again performed in house. The Series 3 was represented an evolution of the Series 2 rather than a new design. The Series 3 had probably the shortest life of any AquaSpy product, being replaced very quickly by the Series 4 probe. | Design of the Series 3 probe was once again performed in house. The Series 3 was represented an evolution of the Series 2 rather than a new design. The Series 3 had probably the shortest life of any AquaSpy product, being replaced very quickly by the Series 4 probe. |