








Ring Inductive Proximity Sensor (10mm Hole Diameter) provides reliable detection of metal objects moving through a circular sensing field. This inductive ring detection module operates with a wide 6–36V power supply and delivers an NPN normally‑open output suitable for industrial controllers, automation circuits, and embedded monitoring systems. Fast response below 1ms enables accurate sensing of rapidly moving metal parts such as screws, washers, or small components. A durable brass nickel‑plated housing combined with IP66 protection ensures dependable operation in demanding indoor or outdoor environments where vibration, dust, or moisture may be present.

Figure: Ring inductive proximity sensor with 10mm detection ring
High-Speed Inductive Metal Detection
This ring-style inductive sensing device detects metal objects passing through the center aperture with high precision. Response time under 1ms and a switching frequency up to 300Hz allow reliable monitoring of fast-moving components on production lines or conveyor systems. Accurate sensing performance remains stable even when detecting small metallic items such as screws, nuts, washers, or thin wires, making the circular proximity detector well suited for automated counting, sorting, and jam detection tasks.
Adjustable Sensitivity with Visual Status Indicator
An integrated sensitivity adjustment knob allows quick tuning of detection range according to application requirements. Clockwise rotation increases detection sensitivity for smaller or faster objects. A built‑in LED indicator provides immediate visual feedback, illuminating whenever a metal object is detected within the sensing field. This combination of adjustable threshold control and real‑time status indication simplifies system setup, troubleshooting, and operational monitoring during industrial deployment.
Rugged Industrial Construction with Environmental Protection
Brass nickel‑plated flame‑retardant housing provides corrosion resistance and mechanical durability for long‑term operation. The sealed structure achieves IP66 protection, guarding the sensing unit against dust ingress and strong water exposure. Reliable performance across a wide temperature range of -25℃ to 65℃ enables installation in workshops, automated machinery, outdoor equipment, and other environments where temperature variation and harsh conditions may occur.
This inductive ring proximity detector is widely used in industrial automation, manufacturing inspection systems, and mechanical safety monitoring. Typical implementations include screw counting, wire breakage detection, metal component passage monitoring, and conveyor jam detection in automated equipment where fast and accurate metal sensing is required.