Omron E39-R7 Round Photoelectric Sensor Reflector

USD 18.40

84mm round IP69K sensor reflector. Features a single mounting hole and high-reflectivity surface for reliable object detection in demanding industrial environments.

SKU Omron-E39-R7 Category
Industrial Automation > Sensors > Sensor Accessories

Omron E39-R7 Round Photoelectric Sensor Reflector

Model Identifier E39-R7
Official Part Number E39-R7
GTIN Standard 4547648923538

Technical Overview

The Omron E39-R7 is a round, 84mm diameter sensor reflector engineered for use with retro-reflective photoelectric sensors. Featuring a single mounting hole for secure and stable installation, it is designed to optimize light return in critical object detection applications. Constructed for harsh industrial environments, the reflector offers high durability and carries IP67 and IP69K ratings for advanced water resistance and resilience in washdown conditions.

Key Features

  • 84mm outer diameter round profile [1.1].
  • Single mounting hole for secure, vibration-resistant attachment.
  • Optimized for LED or laser-based retro-reflective photoelectric sensors.
  • IP67 and IP69K ratings for heavy washdown and water resistance.
  • Suitable for extending sensing distance and light barrier applications.

Passive Component (No Power Required)

Technical Specification Matrix

ParameterValue
Diameter84 mm
ShapeRound
Weight32 g
Mounting Holes1
Ingress Protection (IP) RatingIP67 / IP69K
Accessory TypeSensor Reflector

Industrial Applications

1. Beverage Bottling Line Object Detection

Utilizing the E39-R7 in conjunction with an Omron retro-reflective photoelectric sensor to accurately detect the presence and flow of bottles on high-speed conveyors.

Problem Solved

Provides highly reliable light reflection in heavy washdown environments where sensors and reflectors are frequently subjected to high-pressure, high-temperature cleaning, verified by its IP69K rating.

Retro-reflective sensingWashdown environmentIP69KHigh-speed conveyor

2. Automated Storage and Retrieval System (ASRS) Pallet Verification

Mounted on warehouse racking systems to reflect beams from automated crane sensors, verifying whether a bay is clear before depositing or retrieving a load.

Problem Solved

Ensures strong signal return over extended sensing distances in industrial warehousing, mitigating the risk of false-positive clearance signals and mechanical collisions.

ASRSPallet verificationSignal reflectionIndustrial automation

3. Food Packaging Machinery Position Monitoring

Integrated into food processing machinery to return sensor beams for product positioning verification along the packaging assembly line.

Problem Solved

The single mounting hole ensures vibration-resistant fastening, while the robust IP-rated construction ensures the reflector will not degrade during aggressive Clean-In-Place (CIP) sanitation cycles.

Position monitoringCIP sanitationIP67Retro-reflective
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