LED 4 RPM RPM speed normally open NPN Hall proximity switch SENSOR 3 WIRES

specification: - Power Requirements: DC 8-15V - Measuring range: 5-9999RPM - Clear: Automatic - Display refresh rate: 3 times / second - Measurement instructions: RPM <5000, ± 2; RPM> 5000, ± 3 - Display: Blue-green 0.56-inch LED response Frequency 100HZ Tachometer size 72x36x20mm Panel hole size 68x33mm Sensor size 12x55mm Close to the output current of 200mA Sensor wiring brown power + blue power black signal - Temperature: 0 to 50 ° C. Kit includes: 1 new green LED tachometer rpm tachometer 1 x Hall proximity switch sensor NPN