DRB200 digester is a recently developed digestion device by Hash Company, which can perform COD TOC、 The digestion of water samples such as total phosphorus and total nitrogen. The digestion time and temperature can be selected within the range of 37-165 ℃ and 0-480 minutes, respectively. According to user needs, one heating block or two independent heating blocks can be configured in the DRB200 digester. The digesters in the heating block come in three sizes: 13mm for pre packaged TNT plus reagents with barcodes, 16mm for regular TNT pre packaged tubes, and 20mm for pre packaged tubes used in metal digestion pretreatment.