Detailed
Feature:
Two matched Hall switches on a substrate
Dual quadrature outputs
Superior temperature stability
High sensitivitts a wide voltage range (2.5V~24V)
Built-in pull-up resistor
Reverse battery protection

Specification:
Outer Diameter Dimension:21mm
Diameter:14mm  
Thickness:4mm
Bore:2mm
Pulse Count:12ppr
Output Type:square wave  double phase
Operating Temperature Range:-40℃~120℃
Hall Response Frequency:100KHz

Wiring Diagram:
Red - Motor power terminal (+)
Black - Motor power terminal (-)
Green - Quad encoder Ground
Blue - Quad encoder +5V Vcc
Yellow - Quad encoder A signal
White - Quad encoder B signal

Tips:
Be sure to keep the wiring connection correct before Working; 
Be sure to keep the motor stopped before change the CCW/CW direction; Or the motor will be burned!!!
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We offer money back guarantee. If you are not satisfied with our product, please return it to us unused within 7 days and we will issue refund. Any return of  faulty items we will cover the return postal cost. Please note, if you don't want the item for any other reason postal charges is yours. Any return, please send by recorded post only. If you didn't receive the item, please wait for maximum 15 days and kindly inform us within 7 days. Prior to return, Please contact us, We will give you return shipping address.n.

DataCaciques