Plastic magnetic ferrite ring

Motor encoder Plastic magnetic ferrite radial 8 pole OD22.2x13x4mm

Magnet name: motor encoder radial 8 pole magnetic ring magnet, Specification size: Outer diameter 22.2mm, inner hole 13mm, thickness 4mm, Magnetization mode: radial 8-pole (4n4s) Table magnetic strength: 1230-1250GS, Product Application: all kinds of high speed motor encoder speed measurement induction...