Blue-White Industries’ CHEM-PRO® M series diaphragm metering pump is designed for precision liquid injection in municipal water treatment applications. Features include NSF 61 listing; 200:1 turndown; a large LCD screen that displays the pump’s output rate; a 4-20mA output standard on all models; a robust #316 stainless steel pump head cover for added strength; and a three-year warranty. Optional advanced communications include: industrial ethernet, Modbus TCP, ProfiNet, Modbus and Profibus.