... displaying, touch screen 2.Speed range:0.1-600rpm 3.Flow range:0.006-2300(ml/min) 4. ... .006-13400.006-2300Speed range(rpm)0.1-1500.1-3500.1-600Speed resolution(rpm)0.1 rpmFlow accuracy<0.5%Power supplyAC220V ± 10 ... /min)BT101LDG(6rollers)1,2,4Wall 0.8~1, ID ≤3.170.00016-49DG(10rollers)1,2,4Wall 0.8~1, ID ≤3.170 ...