The three-stage precision photoelectric metering device is used to realize fast and accurate reagent extraction and greatly reduce the impact of peristaltic pump tube aging;
the precise temperature compensation algorithm and ambient light elimination measures can keep the accuracy consistently regardless of in spring, summer, autumn and winter;
highly reliable reagent selection valve and digestion bottle assembly has a low failure rate and low maintenance workload;
the functions of complete digestion pressure testing protection, temperature protection and liquid leakage alarm can guarantee safe operation of the equipment.