4 Digital Green LED Tachometer RPM Speed Meter With NPN Hall Proximity Switch Sensor
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Description:
Working power supply：DC8-24v 30mA
Measure range : 10-9999RPM.
Error range: 0.1%
Clear zero: Automatic .
Clear zero time:About 10s.
Refresh frequency: 0.2-0.5S(120-1200RPM),0.25-0.06S(2400-9999RPM).
Response frequency:100HZ.
Measure indication:(RPM<5000,±2),(RPM>5000,±3).
Sign:NPN 5 wires normally open.
Detected objects: Magnet.
Sensor wiring:brown(Power+),black(Test+),blue(signal).
Function Selection:
1.Reset or manual reset on power.
2.Store the data (no power).
Pacage Included
1 X LED Tachometer
1 X NPN Hall Proximity Sensor
1 X Magnet
