AC 110V 220V Digital Led Motor Speed Tachometer RPM 10-9999 Hall Meter Gauge

Description

AC 110V 220V Digital Led Motor Speed Tachometer RPM 10-9999 Hall Meter Gauge
Parameter
Working power: AC 110V-230V
Display : 0.56" Red LED , 4 - digits
Measuring range: 10-9999 RPM
Accuracy: ±0.1% , reading ±1 word
Display refresh rate: >3 times/second
Over measure range display:  Below the detection range, "LLLL" is displayed;
Above the detection range, "HHHH" is displayed
Recommended distance between sensor and magnet: wthin 10mm(0.39in)
Size: 79mm*43mm*26mm/3.11" *1.69" *1.02"
Operating Instruction
Please connect the wiring as the label on the product;
(1). the black wire, brown wire, and blue wire are respectively connected to the corresponding wires of the same color of the Hall switch
(2). N and L of the AC power connect to the blue terminal
The Hall switch needs to be fixed firmly with a bracket. the installation distance between the Hall switch and the magnet must be within 10mm(the effective
distance is subject to the detected magent)
The magnet has N/S sides, only one side is valid