Panasonic EX-13SEB Ultra-slim Thru-beam Photoelectric Sensor

Technical Overview

Ultra-slim 12-24V DC NPN thru-beam photoelectric sensor with 0.5mm object detection, 500mm sensing range, 0.5ms response, and IP67 protection.

Key Features

Ultra-slim body with 4.5mm thickness.
Thru-beam sensing type with narrow beam for precise detection.
Capable of detecting objects with a diameter as small as 0.5mm.
Provides a sensing range of up to 500mm.
NPN output and Dark-ON operation.
Operates on a supply voltage of 12 to 24V DC.
High-speed response time of 0.5ms.
IP67 protection rating ensures suitability for harsh industrial environments.
Equipped with a red LED emitter for easy beam alignment.
Features an inverter countermeasure circuit for enhanced stability.
Enclosure and lens constructed from durable Polyarylate material.
Includes a 2m long cable (receiver: 3-core, emitter: 2-core).
Operating ambient temperature range from -25 to +55 degrees Celsius.

Technical Specification Matrix

Parameter	Value
Sensor Type	Ultra-slim Thru-beam Photoelectric Sensor
Sensing Range	500 mm
Output Type	NPN
Output Operation	Dark-ON
Power Supply	12 to 24V DC
Response Time	0.5 ms
Protection Rating	IP67 (IEC)
Emitting Element	Red LED (Peak emission wavelength: 680 nm)
Minimum Detectable Object	0.5 mm diameter
Enclosure Material	Polyarylate
Lens Material	Polyarylate
Ambient Temperature Range	-25 to +55 °C
Cable Length	2 m
Ambient Humidity	35 to 85 % RH (no condensation)
Physical Weight (kg)	0.04
Dimensions L x W x H (cm)	0.45 x 1 x 1.45

Industrial Applications

1. High-Precision Component Alignment in Electronics Assembly

This sensor is ideal for ensuring precise alignment of minute electronic components, such as surface-mount devices (SMDs) or delicate pins, on printed circuit boards (PCBs) within automated assembly lines. Its ultra-slim profile enables installation in highly constrained spaces.

Problem Solved

The compact size (1.0 cm W x 1.45 cm H x 0.45 cm L), narrow beam, and ability to detect objects as small as 0.5mm precisely verify the correct placement and orientation of small components. The 0.5ms response time facilitates rapid inspection, critical for high-speed production.

PCB AssemblySMD PlacementMiniature RoboticsComponent VerificationHigh-Speed InspectionPrecision Alignment

2. Small Part Detection and Counting in Pharmaceutical Packaging

The EX-13SEB can accurately count or confirm the presence/absence of very small items like tablets, capsules, or small medical device components on a conveyor belt, even in environments requiring stringent cleanliness.

Problem Solved

Its capability to detect objects as small as 0.5mm with a narrow beam ensures accurate counting and prevents misdetections of closely spaced pharmaceutical products. The 500mm sensing range offers flexibility, and the IP67 protection rating makes it suitable for environments that may undergo washdowns or encounter splashes.

Tablet CountingCapsule DetectionMedical Device AssemblySmall Object VerificationPharmaceutical PackagingHygienic Environments

3. Edge Detection and Web Guiding in Material Processing

This sensor excels at maintaining precise alignment of thin materials such as film, paper, or textiles as they move through high-speed processing machinery, thereby minimizing material waste.

Problem Solved

The narrow beam and high detection accuracy for 0.5mm objects allow for precise edge detection of thin webs. The rapid 0.5ms response time is crucial for dynamic web guiding systems that require immediate feedback to correct deviations, ensuring consistent material flow and preventing costly errors.

Web GuidingEdge ControlMaterial ProcessingFilm ConvertingPaper ProductionContinuous Manufacturing