The COD Digester is ideal for rapid & frequent monitoring of treatment plant efficiency and water quality. It is the best in class open reflux digester that provides uniform heating without water circulation and easy temperature control features. With just one touch operation, the COD digester is pre programmed for meeting the APHA method. The PID based temperature control provides precise temperature control with accuracy of +1 Deg. The overall design is easily portable and has low maintenance. Additional accessories provide easy handling of glass vessels and condensers.