DIGITEN 4 Digital LED Tachometer RPM Speed Meter+Hall Proximity Switch Sensor NPN Blue

Specification
Power requirement: DC 8-15V
Measure range : 5-9999RPM.
Clear zero: Automatic.
Clear zero time: about 10s. The greater RPM value, the longer clear zero time.
Refresh frequency: 0.2-0.5S@120-1200RPM; 0.25-0.06S@2400-9999RPM.
Display: Blue 0.56inch LED
Sign: Pusle signal, Hall NPN 3 wires normally open.
Hall proximity model: NJK-5002C
Appearance: M12mm cylinder.
Detection range: 10mm
Proximity output current: 200mA
Detected objects: magnet
Response frequency: 100HZ
Tachometer dimension: 72x36x20mm, panel cutout Dimension: 68x33mm.
Sensor dimention: M12x10x55mm.
Sensor wiring: brown--Power+; blue--Power-; black--signal.
Operating temperature: 0 to 50℃.

Package includes
Tachometer x 1
Hall NPN proximity sensor x 1
Magnet x 1

Tips：
1.Please confirm that all the wires are connected correctly.
2. The direction of the magnet must be correct. If it is not correct, please flip the magnet.
3.The distance between the magnet and the sensor must be kept at 2-3mm (0.07"-0.12").