Small Diffuse Photoelectric Sensor, 30cm, NPN/PNP

Compact diffuse photoelectric sensor features a compact 3.5mm housing, a 5–30mm diffuse sensing range, and selectable NPN/PNP outputs. The IP65-rated structure and clear status indicators ensure dependable performance in daily industrial use.

Specification

Feature

1. Ultra-slim and easy to mount: With a thickness of only 3.5mm, the compact design fits seamlessly into tight installation spaces.
2. High detection sensitivity: Built with premium imported electronic components for stable performance, long-term operation, and extended service life.
3. Adaptive sensing for irregular objects: Automatically adjusts sensitivity based on received light intensity, reducing errors caused by variations in workpiece color, shape, or material.
4. High-transmittance red optical cover: Ensures clear visibility of internal components and indicator lights, improving on-site status confirmation.
5. Versatile application range: Ideal for detecting thin workpieces, transparent objects, small parts, and for PCB positioning.

Dimension

Circuit Diagrams

Tips: How does this ultra-thin sensor handle variations in workpiece color and shape?

ATO small diffuse photoelectric sensor relies on adaptive sensitivity calibration as its core mechanism. During each detection cycle, it measures the intensity of reflected light from the target and dynamically adjusts its internal threshold. For dark or low-reflective surfaces, the threshold is lowered to capture weak signals and prevent missed detections, while for light-colored or irregularly shaped parts, the threshold is raised to suppress overexposure and avoid false triggers. This continuous real-time adjustment allows precise, reliable detection of small, thin, or oddly shaped components without manual tuning, even in compact or high-speed automation environments. Designed for industrial reliability, this sensor provides fast, stable detection and fits easily into tight spaces.