Model 3400 electronic LCD counter is a LCD totalizer/preset counter which provides a large display with 0.28" (7mm) high characters, in a range of industry-standard sized housings. The model 34 counts and displays the number of pulses that appear at its input terminal at a rate of 40 pulses per second (Hz), the input interface handles AC or DC inputs. A wide operating voltage, 10-300VDC and 20-300VAC, makes the model 34 versatile for all indoor and outdoor applications. All models are NEMA 4/4X, 12 & IP66 rated when used with the optional gasket and have a polarized lens which assures high visibility in an outdoor environment. Applications includes medical devices, test equipment, control panels, production equipment, office equipment and secondary equipment.