Random Access, constant 640T/H, 1000T/H with ISE; 120 reaction positions, 160 reagent positions, 99 sample positions, including detergent position, standard positions, QC positions, STAT positions; High accuracy grating optical system; Durable ceramic syringes, 4 unattached probes, 2 high performance mixers; 24 hour non-stop water cycle cooling system to keep the reagent at 2-8°C; Metal solid heating for the 37°C incubation; Support LIS interface; Barcode optional.