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Double Speed Measuring Module w/ Photoelectric Encoders - Black + Green (2 PCS)
Brand No Model HC-020K Quantity 2 Color Green + black Material FR4 Features Wide voltage£¬ high resolution£¬ short response time£¬ switch output; Can test motor's rotational speed w/ black encoder (measured spec. is related to the encoder£¬ the inner diameter of D type encoder that provided is 4mm£¬ can be used for motro output shaft w/ 4mm diameter£¬ which is TT motor we matched£¬ yellow shell and white axis Specification Working voltage: 4.5~5.5V; Launch tube pressure drop: Vf=1.6V; Launch tube current: If Application For experiment English Manual/Spec Yes Packing List 2 x Encoders 2 x Module 1 x Chinese / English user manual