Voltage[VAC] 110/220 ;   Frequency[Hz] 50/60 ;  Power[W] 20 ;   Stirring point position quantity 1 ;   Max. stirring quantity???H2O???[L] 20 ;   Stirring pointposition quantity[mm] 80 ;    Motor type  brushlessmotor  ;   Motor rating input [W] 18  ;   Motorrating output[W] 10 ;   Speed range[rpm] 100-1600 ;  Speed display  LCD  ;   Speed display accuracy[rpm]1  ;   Material   Ceramic surface ;   Dimensionof Plate[mm] 130*130 ;   Dimension[mm] 300×170×100;  Weight[kg] 2.8 ;   Permissible ambient temperature[???] 5-40 ;  Permissible ambient humidity 80%   ;     RS232 interface yes