YSI ProDSS [626909-20] ProDSS 4-port Cable Assembly Without Depth Sensor, 20m. YSI ProDSS Cable Assemblies are designed to work with YSI ProDSS multiparameter meter and smart sensors. Neither the meter nor sensors are included. The cable assemblies include 4 universal sensor ports and are available in lengths from 1 to 100 meters. A 1 pound weight is included for cables 10 meters or longer. 10, 20, and 30 meter cables include a cable management kit. A maintenance kit is included and an optional depth sensor is available.