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

Power requirement:DC 8-15V
Measure range : 5-9999RPM.
Clear zero: Automatic.
Clear zero time:about 10s.the greater the RPM value,the longer the clear zero time.
Refresh frequency: 0.2-0.5S@120-1200RPM;0.25-0.06S@2400-9999RPM.
Measure indication:RPM<5000,??2;RPM>5000,??3.
Display:bLUE 0.56?｡ﾀ 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｡.
Packaging include
Tachometer x 1
Hall NPN proximity sensor x 1