This is a dual display digital counter that can be used as a industrial counter to count the quantity of objects in a single batch and the production line, and also can be used as length counter. It is widely applied in machine, light industry, electronic, food, package, leather, cloth weaving industry for counting, length, batch counting.Features:Dual 6 digits light-emitting diode display for clear reading.NPN and PNP sensor input is switchable.Includes 4 kinds of input mode, 6 kinds of output mode for option.Input and output is optional isolated.Counting Range: -199999999999 Preset Range: 0.00001-999999.Can set alarm value for relay output.Can be connected with encoder, proximity switch, photoelectric switch, optical sensor, laser sensor, etc.Widely applied in chemical, machine, light industry, etc.Specifications:Material: ABSVoltage: 90~265V AC/DCAuxiliary Power: 24V DCInput: Pulse Signal: Square Wave and Sine Wave: 5VH30V 0L2V up edge activeInput Impedance: 10KCounting Speed: 30/5000CPSCounting Range: -199999999999Preset Range: 0.00001-999999Response speed: switch type input 0~5000hz, incremental encoder input 0~2000hzAccuracy: 0.1%F.SOutput: 2 Relay Contact OutputEnvironment Temperature: 050Storage Temperature: -1060Environment Humidity: 3585%RHInsulation Resistance: 10MPower Consumption: 5WContact Edge: Up edge activeItem Size: 9.5 * 8.5 * 4.7cm / 3.74 * 3.35 * 1.85inItem Weight: 167g / 5.89ozPackage Weight: 203g / 7.16ozPackage Size: 11 * 10.1 * 5.5cm / 4.33 * 3.98 * 2.17inPacking List:1 * Counter2 * Brackets1 * User Manual (English)