Digester 201 +: Digestion System incorporates extruded superior quality aluminium blocks. The block is heated up to 450° C using a Casted Aluminium Heater which has a longer life time. The temperature of the block is regulated by a PID Controller with an accuracy of + 1°C. The Sample Reaction Vessels are designed with ball joint/ground joint to perfectly fit the water/air Condensers. COD Digestion System is timer controlled and time can be varied from 1 to 99.59 Hrs. The block is insulated with high grade ceramic wool to avoid heat loss. The compact design with less bench space, resistive touch keys of operation with digital indication of temperature makes the Digestion system is an Real Import Substitute Product