Blue 4 Digital LED Tachometer RPM Speed Meter + Proximity Switch Sensor NPN - Intl

Blue 4 Digital LED Tachometer RPM Speed Meter+Hall Proximity Switch Sensor NPN
Specifications
Working power supply：DC8-24v 40 mA
Measure range : 5-9999RPM.
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.
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