Strict permit levels require measurements with a higher level of accuracy, even at concentrations as low as 0.015 to 2 mg/L PO4-P. The Phosphax sc LR Phosphate Analyzer from Hach has been engineered with photometer technology to deliver reliable, accurate readings at low ranges. It has an error rate of 2 percent, so the user can identify dosing levels and save money, and it’s Claros enabled to leverage Claros functionality to collect, manage and analyze data. 800-227-4224; www.hach.com