OMRON E8AA-M05 General Purpose Pressure Sensor

Description

OMRON E8AA-M05 General Purpose Pressure Sensor

Product Dimensions：

The OMRON E8AA-M05 is a specialized, high-precision reflective fiber-optic sensor designed for detecting microscopic objects or subtle differences in distance and height. It is part of Omron’s advanced sensing lineup, often used when standard photoelectric sensors are too bulky or imprecise.

## Product Overview

The E8AA-M05 is an integrated fiber-optic sensor head that utilizes a convergent reflective beam. Unlike standard diffuse reflective sensors, it focuses the light at a specific point (the focal point), allowing it to detect targets with incredible accuracy regardless of the background.

## Technical Specifications

## Key Advantages

• Precision Spot Sensing: With a 0.5 mm beam spot, it can detect tiny components (like 0603 SMD components) or marks on a PCB that larger sensors would miss.

• Minimal Background Influence: Because it is a convergent type, it only “sees” what is at the 5 mm focal range. Objects significantly closer or further away are ignored.

• Compact Form Factor: The thin-profile design allows it to be mounted in tight spaces within picking-and-placing machines or medical diagnostic equipment.

• Color Sensitivity: It is highly effective at detecting subtle color differences or height variations on a flat surface.

## Important Precautions

1. Mounting Distance: The sensor is extremely sensitive to distance. Ensure the target passes exactly through the 5 mm focal point for stable detection.

2. Surface Reflection: Highly mirrored or transparent surfaces may require slight angling of the sensor head (approx. 5°–10°) to prevent “blindness” from direct specular reflection.

3. Environment: Avoid using the sensor in environments with high dust, oil mist, or steam, as the optical lens is small and easily obstructed.

4. Wiring: Always turn off the power supply before wiring to prevent damage to the internal CMOS/circuitry.

## Common Applications

• Electronics Industry: Detecting the presence/absence of chips on a feeder or checking for correctly seated components on a PCB.

• Printing & Packaging: Detecting registration marks or counting thin sheets of paper/film.

• Medical Lab Automation: Detecting the presence of test tubes or caps in high-speed rotary carousels.

• Wafer Handling: Sensing the edge of a silicon wafer during semiconductor processing.

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