High-Speed Ring Sensors
Engineered for high-frequency detection of metal parts passing through the sensor core. XSZ Ring Proximity Switches provide industry-leading 0.2ms response times for screws, springs, and wire-break monitoring.
Static vs. Dynamic Logic
Tailor your detection behavior to your specific application. Our ring sensors offer two distinct logic modes to ensure accuracy regardless of material flow speed or environment.
Static Sensing Mode
The output remains active as long as a metallic part is located within the detection ring. This is the standard mode for monitoring material presence.
- Ideal for Clogging: Detects if a feed tube is blocked or full.
- Wire Monitoring: Perfect for continuous wire/cable break detection.
- Behavior: Signal ON = Metal Inside.
Dynamic Sensing Mode
The sensor only triggers a short pulse when a metal part moves through the ring. It ignores stationary metal objects.
- Debris Immunity: Ignores metal dust or oil buildup on the ring wall.
- High-Speed Counting: Best for rapid parts falling (bolts, nuts, springs).
- Behavior: Pulse per each moving part detected.
Professional Product Series
High-performance optical & inductive solutions engineered for global industrial automation.
XSZ Miniature Inductive Proximity Sensor
M8 Cylindrical Inductive Proximity Sensor
M12 Cylindrical Inductive Proximity Sensor
M18 Cylindrical Inductive Proximity Sensor
XSZ M30 Cylindrical Inductive Proximity Sensor
Flat-Pack Inductive Proximity Sensor (W3/W5 Series)
GL Series Rectangular Inductive Proximity Sensor
XSZ Inductive Static Ring Sensor for Micro-Parts
Engineered for Micro-Part Accuracy
Our ring sensors are the culmination of high-frequency oscillation technology and advanced signal processing, ensuring no part goes undetected, no matter how small or fast.
Ultra-High Resolution
Capable of detecting metal objects as small as Ø 0.6mm (even steel balls or small springs). Precision is maintained even at the center of the ring.
Adjustable Pulse Stretching
Integrated time delay (0.1ms – 150ms) ensures that even the fastest falling parts trigger a signal long enough for any PLC to process accurately.
Precise Sensitivity Control
Features a multi-turn potentiometer for fine-tuning. Easily adjust the threshold to detect specific part sizes or ignore environmental metallic dust.
Compact & Shielded Housing
Designed with full internal shielding. Sensors can be mounted in close proximity without mutual interference, ideal for multi-lane counting systems.
Technical Parameters
Compare the core capabilities of XSZ ring sensors. For high-speed counting or wire break detection, ensure the minimum object size matches your target requirements.
| Parameter | Micro Series (RM) | Standard Series (RS) | Large Bore (RL) |
|---|---|---|---|
| Ring Diameter (Bore) | 3mm – 10mm | 15mm – 30mm | 45mm – 100mm |
| Min. Object Size (Steel) | ≥ Ø 0.6mm | ≥ Ø 2.5mm | ≥ Ø 6.0mm |
| Response Time | < 0.1ms | < 0.2ms | < 0.5ms |
| Pulse Stretching (Adj.) | 0.1ms – 150ms | 0.1ms – 150ms | 1ms – 200ms |
| Switching Frequency | Up to 3,000 Hz | Up to 1,500 Hz | Up to 500 Hz |
| Supply Voltage | 10 – 30V DC | 10 – 30V DC | 10 – 30V DC |
| Operating Temperature | -25°C to +70°C | -25°C to +70°C | -20°C to +60°C |
| Housing Material | PBT / Polyamide | Reinforced Glass Fiber | Anodized Aluminum |
| Protection Class | IP67 | IP67 | IP65 / IP67 |
Industrial Application Scenarios
XSZ ring sensors are the heart of high-speed automation lines, ensuring every single part is accounted for and every process remains uninterrupted.
High-Speed Fastener Counting
In screw and nut packaging lines, our sensors use Dynamic Logic to count parts falling at speeds up to 20m/s. The adjustable pulse stretching ensures the PLC never misses a count.
Continuous Wire Monitoring
Perfect for steel wire or copper cable production. By utilizing Static Logic, the sensor monitors the continuous presence of the wire through the bore, triggering an immediate stop if a break occurs.
Medical & Micro Assembly
With a resolution down to Ø 0.6mm, our micro-bore sensors detect tiny springs, needles, and SMD components that standard proximity switches simply cannot "see."
Clog & Feed Monitoring
Installed on transparent or non-metallic feed tubes, the sensor detects material accumulation. If parts stop flowing and stay within the ring, the system identifies a "Clogged" state via static output.
Performance In Action
Watch how XSZ ring sensors handle high-speed counting with < 0.1ms response accuracy. See the real-time detection of micro-fasteners at 2,000+ parts per minute.
M3 Stainless Steel Washers
Approx. 15 m/s
Dynamic (Pulse Output)
100% Accuracy
Manufacturing Excellence
Direct from our ISO-certified facility. We combine high-speed signal processing technology with rigorous QC standards to deliver precision ring sensors for global automation lines.
Bespoke Ring Sensors
We don't just manufacture sensors; we solve sensing challenges. From special housing shapes to specific timing logic, XSZ provides the engineering depth needed for your custom machinery.
Part Geometry & Speed Analysis
We analyze the minimum dimensions (Ø 0.6mm and above) and the pass-through speed (up to 20m/s) of your target metal parts to determine the ideal internal coil frequency and sensing resolution.
Housing & Mounting Customization
Need a U-shaped opening instead of a full ring? Or a specific mounting pitch for existing brackets? We offer custom 3D-printed or CNC-machined housings in Reinforced Polyamide or Anodized Aluminum.
Advanced Logic Pre-setting
We can pre-set the sensors to Dynamic (Pulse) or Static logic at the factory level. Custom pulse stretching values (e.g., exactly 50ms) can be hardcoded to match your controller’s scan cycle.
Field Testing & Mass Production
Rapid prototypes are delivered in 7-10 days. After on-site validation, we scale to mass production with 100% automated QC, ensuring every batch maintains consistent sensitivity thresholds.
What Our Global Partners Say
From high-speed bolt counting to precision wire monitoring, XSZ ring proximity switches are the benchmark for accuracy in automated part processing.
"We were missing counts on our fastener packaging line due to the extreme fall speed of the bolts. XSZ's Adjustable Pulse Stretching was the answer. It extended the signal long enough for our PLC to capture every single part. Zero missed counts in 6 months."
"The Dynamic Logic mode is brilliant. It successfully ignores the metallic dust and oil buildup on the inner ring wall, only triggering when a part actually passes through. Our maintenance frequency has dropped significantly since the switch."
"Detecting 0.6mm micro-springs was a challenge for our previous suppliers. XSZ's micro-bore series handled it with ease. The sensitivity is incredibly stable, and the factory direct pricing made it an easy decision for our new assembly line."
Frequently Asked Questions
Expert answers to the most common technical inquiries regarding XSZ high-speed ring proximity solutions.
How do I choose the correct ring diameter (bore size)?
The internal diameter of the ring should be 20% to 30% larger than the maximum dimension of the object passing through it. This ensures smooth passage without mechanical interference while maintaining optimal sensing sensitivity at the center of the ring.
When should I use Static Logic vs. Dynamic Logic?
Use Static Logic for presence monitoring or clogging detection (output stays ON if metal is present). Use Dynamic Logic for high-speed counting or detecting extremely small parts; dynamic sensors ignore stationary metal debris on the ring wall and only trigger when an object moves through the sensing field.
What is the smallest object size these sensors can detect?
XSZ RM-Series (Micro-bore) can detect steel objects as small as Ø 0.6mm. For our standard RS-Series, the resolution typically ranges from Ø 1.5mm to Ø 3.0mm depending on the ring diameter selected. For best results, targets should pass as close to the center as possible.
What is "Pulse Stretching" and why do I need it?
In high-speed applications, a part may pass the sensor in less than 0.1ms—too fast for many PLC scan cycles to catch. Our sensors feature an adjustable Pulse Stretching (0.1ms – 150ms) that extends the output signal duration, ensuring your control system reliably captures every count.
Can multiple ring sensors be mounted close together?
Yes. XSZ ring sensors are designed with internal shielding to prevent mutual interference. For standard installations, we recommend a minimum lateral distance equal to the ring diameter to ensure total signal integrity in multi-lane counting systems.
Need a 3D model or custom bore size?
Our application engineers can provide STEP files and custom sensitivity tuning for specific metal alloys.
