Description PANEL TACHOMETER Model : DT-2240D * 5 to 100,000 RPM (x 0.1 RPM, <1,000 RPM). * Accuracy : ( 0.05% + 1 d ). * 110/220/230 ACV power, 14 mm red LED. * DIN size : 96 x 48 mm, Depth : 104 mm.