5-9999RPM 0.56inch 4 Digit Display Car Motor Digital Tachometer Speed MeterSpecifications:Mini size, high performance and fast reaction speed.0.56inch LED 4-digits display, clear and easy for readings.Rotate speed measuring range: 5-9999RPM, frequency range: 0-98990.1Hz.Setting parameters will be memorized when power off.Suitable for detecting the speed of every kind of motors.Tachometer Rate Setting Instructions:Rate range: 1-99(default 01: display value is same with actual value; if the rate is 10, display value*10=actual value).When power on, the meter display "0".Pre "SET" button, display "1"; pre again, display "01".When display "1", is measuring RPM; pre "ADD", from "1" to "2", when display "2", is measuring frequency; display "01" is for rate setting, short pre "ADD" for +1, long pre for +10.After setting the values, it will be stored if no operation in 10s, return the selected function interface.With 1 decimal point, that is when rotate speed is 1000RPM.Type: Digital TachometerDisplay: 0.56" 4-digit LEDRotate Speed Range: 5-9999RPMFrequency Range: 0-98990.1HzRate Setting Range: 1-99(Default: 01)Reset Time: 10sRefresh Time: 120-1200RPM: 0.2-0.5s; 2400-9999RPM: 0.25-0.6sAccuracy: 5000RPM: Approx. 3RPMInput Signal: Voltage Pulse Signal, Active Contact Signal, PNP, NPNPower Supply: DC 8-15VInstallation: EmbeddedWiring: +12V: DC 8-15V Input Positive, GDN: DC Power Negative, IN+: Signal InputFeatures: Mini, 4 Digit Display, High PrecisionPanel Dimension: 72mm x 36mm x 20mm/2.83" x 1.42" x 0.8" (Approx.)Notes:Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Digital Tachometer