Name: Panasonic CX-441 Small Spot Photoelectric Sensor NPN - INOSAKI
SKU: Pananonic-CX-441
Price: 28.32 USD
Availability: InStock

Technical Overview

Compact NPN photoelectric sensor, 2-50mm adjustable range, ø2mm spot, 0.4mm height detection, IP67, ethanol resistant. Operates 12-24VDC.

Key Features

Small-spot compact design with adjustable sensing range
Retro-reflective sensing with Background/Foreground Suppression (BGS/FGS)
Wide detection range from 2mm to 50mm
High precision, capable of detecting height differences as small as 0.4 mm
Unaffected by gloss, color, or uneven surfaces when sensing objects on a conveyor
Robust IP67 rated housing, resistant to ethanol
Strong resistance to inverter light, extraneous light, and high-frequency noise
Equipped with an automatic interference prevention function
Red LED light source with high visibility for easy beam axis alignment
NPN open-collector digital output (24Vdc / 100mA)
Operates efficiently across a broad voltage range of 12Vdc to 24Vdc
Fast response time of 1ms

Technical Specification Matrix

Parameter	Value
Sensing Method	Retro-reflective (Background/Foreground Suppression)
Sensing Range	2mm to 50mm (0.2cm to 5cm)
Supply Voltage	12Vdc to 24Vdc
Output Type	NPN open-collector
Output Current	100mA (24Vdc)
Light Source	Red LED (650nm wavelength)
Beam Spot Diameter	Approx. ø2 mm
Response Time	1ms
IP Rating	IP67
Housing Material	PBT
Lens Material	Acrylic / Polycarbonate
Operating Temperature	-25°C to +55°C
Connection	Pre-wired 2m 4-core 0.2mm² cabtyre cable
Height Difference Detection	0.4 mm or less
Hysteresis	2% or less of operation distance
Operating Mode	Detection-ON / Detection-OFF selectable
Physical Weight (kg)	0.06
Dimensions L x W x H (cm)	2 x 1.1 x 3.1

Industrial Applications

1. Precision Component Presence Detection

The CX-441's small spot size (approx. ø2 mm) and high precision (detecting height differences as small as 0.4 mm) enable it to reliably verify the presence and correct orientation of minute components like screws or electronic chips on automated assembly lines. The 2-50mm sensing range offers flexible mounting, ensuring accurate assembly and preventing defects.

Problem Solved

Ensures accurate assembly by reliably detecting the presence and height variations of small, critical components, preventing misassembly or missing parts in automated systems.

Small object detectionheight sensingautomated assemblyquality controlprecision0.4mm detectionø2mm spot

2. Container Fill Level Verification

Utilizing its 2-50mm adjustable sensing range and ability to detect 0.4mm height differences, the CX-441 can precisely verify liquid levels in transparent or semi-transparent containers within food and beverage packaging. Its IP67 rating and ethanol-resistant housing (PBT/Acrylic/Polycarbonate) ensure durability and suitability for hygienic washdown environments and contact with cleaning agents.

Problem Solved

Guarantees consistent product quality and prevents overfilling or underfilling of containers by providing reliable liquid level detection in hygienic environments.

Liquid levelfill levelfood processingIP67ethanol resistanttransparent container0.4mm detectionquality assurance

3. Material Edge Alignment for Web Guiding

For web guiding systems handling continuous materials like paper, film, or textiles, the CX-441's ø2mm small spot beam and 0.4mm difference detection capability allow for precise tracking of material edges within its 2-50mm sensing range. This provides critical feedback for maintaining accurate alignment, minimizing waste, and ensuring consistent product quality.

Problem Solved

Achieves high-accuracy material alignment in web guiding applications, minimizing material waste and ensuring consistent product quality by preventing deviations and maintaining straight-line movement.

Edge detectionweb guidingmaterial alignmentfilm processingpaper converting0.4mm detectionø2mm spotprecision positioning