DIGITEN 4 Digital Blue LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN + Sensor Mounting Holder for Lathe Conveyor BeltMeasure range: 5-9999RPM.Power requirement:DC 8-15VCome with hall sensor, magnet and L-shaped bracket, which could be easy for...

DIGITEN 4 Digital Green LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN for Lathe Conveyor BeltPower requirement:DC 8-15VCome with hall sensor and magnetDisplay: Green 0.56" LEDApplication: Lathe, CNC, Mower, Spring, etc.Measure varied motor RPM.2.8 x 0.8...

DIGITEN 4 Digital LED Tachometer RPM Speed Meter+Hall Proximity Switch Sensor NPN BlueMeasure range: 5-9999RPM.Power requirement:DC 8-15VCome with hall sensor and magnetDisplay:BLUE 0.56" LEDMeasure varied motor RPM2.8 x 1.4 x 0.8 inches; 2.47 ounces FREE standard shipping within the United...

DIGITEN G3/8 Water Flow Sensor Witch, Hall Effect Flowmeter Liquid Fluid Meter Sensor Switch Flowmeter Meter 0.3-10L/minLightweight, reasonable size, stable performance, low water pressure start.Easy to install, safe to use.There is an integrated hall effect sensor that outputs an electrical...