Specifications include, but are not limited to: 2 On-Line Zeta Potential Monitoring Unit, 2 Commissioning Support and on-site training per man-day, 3 Disposable Cuvetts (pack of 10 cells and 20 stoppers), 2 Peristaltic Pump Head, 1 Zeta Potential Transfer Standard (pack of 10), 2 Luer Lock Assembly, 50 5/32” ID Flexible Polymer Tubing. The successful Bidder will be required to furnish two (2) on-line zeta potential measurement units as specified, for installation by the City of Richmond at the City of Richmond’s Water Treatment Plant. The successful Bidder shall also provide on-line zeta potential measurement unit interior components installation, equipment testing and commissioning, and training on the use of the equipment to the City Water Treatment Plant personnel.