Switch NPN Hall Proximity Switch Sensor + Electronic Red LED Tachometer 4 Digital Display Tachometer RPM Speed Meter with Magnetic

Micro SwitchesItem Description:Specification:Clear zero time: About 10sRefresh frequency: 0.2-0.5S(120-1200RPM),0.25-0.06S(2400-9999RPM)Response frequency: 100HZMeasure indication: (RPM5000,3)Sign: NPN 5 wires normally open.Display: 5 x 2cm red LED.Tachometer size: 79 x 42 x 25mm.Panel cutout size: 76 x 39mm.Hall proximity model: NJ-5002CDetected objects: Magnet.Detection range: 1mm-10mm.Proximity output current: 20mA(For the sensor).Operating temperature: -10 to 60C.Sensor wiring: brown(Power+), blac(Test+), blue(signal).Sensor size: 60 x 10mm.Sensor wire length: 1.2MMagnet:10x2mmFunction selection:Reset or manual reset on power.Store the data (no power).Pacage included:1 x Red LED tachometer1 x NPN hall proximity sensor1 x magnetItem Specification:Features: Detected objects: Magnet.Material: AlloyItem Type: SwitchesWarranty: otherSwitch Type: Proximity Switch