The YSI Quatro cable 605790-1 includes the 605560 EC/TempSensor as standard on 1m cable.
This cable attaches to the YSI Pro Plus meter .
It allows measure of pH, ORP,Temperature, Conductivity, Dissolved oxygen, and any (2) ISE sensor parameters.
such as Nitrate Ammonium and Chloride . 2 year warranty on cable assembly