Get current pricing for Titertek, Multidrop 831 Titertek Microtitre Microplate Dispenser Multidrop 831. 230 V. 50 Hz. 40 W. Rs232 Interface. 8 Comb. 20-395 L. Incl. 2 Replacement Heads. Dust Cover. . Product Category: Lab Equipment, Sub Category: Microplate Readers: