Capsule slip ring widely used in electric power, safe defense, military, factory automation, medical apparatus etc. HM-M012, HM-M022 are ... as closed circuit monitor, automation robots, electric power, safe defense, military, factory automation, medical apparatus etc.models explanation for capsule slip ... φ22*33.6ABSHM-M022-24242φ22*41.4ABS HM-M022 model Capsule slip ring