4 Digital LED Tachometer RPM Speed Meter + Proximity Switch Sensor NPN
Specifications:
Working power supply
Measure range: 5-9999 RPM
Display: Blue LED 67*32mm
Sign: Pusle signal, Hall NPN 3 wires normally open
Hall proximity model: NJK-5002C
Appearance: M12mm cylinder
Detection range: 10mm
Detected objects: Magnet
Response frequency: 100HZ
Operating temperature: 0 to 50°C
Package included:
1 x Proximity switch
1 x Tachometer