Small Diffuse Photoelectric Sensor, 30cm, NPN/PNP

Small Diffuse Photoelectric Sensor, 30cm, NPN/PNP

Small Diffuse Photoelectric Sensor has 30cm range. It offers reliable short-range sensing for confined automation spaces. Miniature housing eases integration into tight areas. Fast switching, stable diffuse sensing and NPN/PNP outputs ensure consistent performance. It is ideal for small-part positioning and assembly line verification.

SKU: CCHN-PHOS-30CM

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Delivery date: 6-25 days

Overview

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

Model	CCHN-FGNS04-30NC	CCHN-FGNS04-30NAC	CCHN-FGNS04-30PC	CCHN-FGNS04-30PAC
Output Type	NPN-NO	NPN-NC	PNP-NO	PNP-NC
Operation Mode	NO	NC	NO	NC
Detection Distance	30cm
Illuminating Element	Red 650nm
Response Time	<1ms (Activation/Reset)
Supply Voltage	12 to 24VDC with ripple current (P-P) 10%
Supply Current	0.2A
Consumption Current	<20mA
Indicator Lights	Output Indicator: Red, Stable Indicator: Green
Protection Circuit	Reverse Connection Protection, Short Circuit Protection, Reverse Polarity Protection
Protection Rating	IP65
Control Output	Open-Collector Output Type; Load Supply Voltage ≤ DC26.4V; Load Current ≤ 50mA;
Residual Voltage	Residual voltage ≤2V (load current 10~50mA); residual voltage ≤1V (load current <10mA)
Connection Method	Wire-lead type (2m)
Material	Housing: PC; Lens: Modified polyarylate
Weight	200g

Feature

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

Dimension

small diffuse photoelectric sensor dimension_1

Small diffuse photoelectric sensor dimension_2

Circuit Diagrams

small diffuse photoelectric sensor circuit diagram_1

small diffuse photoelectric sensor circuit diagram_2

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

CCHN 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.