Designed especially for the PINPOINT® ORP Monitor and the PINPOINT® ORP Controller. It features long, continuous duty expectancy, fast response and, most importantly, is non-toxic to your system. Each probe features a 10 foot cable with a high interference suppression jacket, Ag-AgCl reference, and is 99.9% pure platinum. This probe can be used with any ORP monitor or controller system that uses a BNC connector, such as the Neptune Apex.