1Set 12V 24V Measuring Gauge 4 Digital Blue LED Tachometer RPM Speed Meter 10-9999RPM Hall Proximity

Anti-jamming capability. Have good stability, high measurement precision.This digital display counter has bright LED light, high accuracy, good stability, and easy installation.The meter retains the number automatically when power off,The working power supply: AC\/DC 8-24V, 30mA.Input pulse signal:NPN\/PNP collector open circuit,contact switch,contactless switch,level pulse.Good product stability, strong anti-interference and is ability suitable for display of various digital instrumentsPower requirement: DC 8-15vMeasure range: 10-9999RPMClear zero: AutomaticDisplay refresher rate: 3 Times\/SecMeasure indication: RPM less than 5000, +\/- 2;RPM more than 5000, +\/- 3Display: 0.56inch LEDResponse frequency: 100HZTachometer dimension: 72x36x20mmPanel cutout Dimension: 68x33mmSensor Dimension: 12x55mmProximity output current: 200mAOperating temperature: 0 to 50.Hall NPN sensor:Appearance: M12mm cylinderOutput: NPN three wire normally open typeThe detection distance: 10 mmSupply voltage: 5-24VDC,6-36VDCOutput current: 200 mAObjects can be detected: permanent magnetsSwitching frequency: 320 KHZWiring:brown-Power+,blue-Power-,black-signaltype: blue textcolour: blackMaterial: plasticPackage Contents:1 x Tachometer RPM Speed Meter1 x Hall Proximity Switch Sensor NPN1 x BracketOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.