SKU: E3ZM-R81

Omron E3ZM-R81 Retro-Reflective Photoelectric Sensor Metal Housing

Omron E3ZM-R81 is a retro-reflective photoelectric sensor with metal housing for robust industrial detection.

USD 130.00 per unit, volume discounts available

  • In stock, ships in 24h
  • 100% genuine Omron
  • 1-year manufacturer warranty
  • Worldwide delivery

Key Features

  • Sensing Range: Up to 3m
  • Output Type: NPN
  • Supply Voltage: DC12-24V
  • Response Time: 1ms
  • Light Source: Red LED
  • Protection: IP67
01 / Overview

Reliable Detection Layer for Sequence Accuracy and Process Stability

The E3ZM-R81 is used to deliver repeatable machine-state detection for sequencing, interlocks, and process confirmation. Whether in packaging, handling, or assembly systems, this sensing class helps reduce false triggers and improves control confidence under continuous operation.

Repeatable State Detection

Accurate detection at the right process moment improves sequence integrity and reduces quality escapes caused by timing uncertainty or missed events.

Fit for Demanding Machine Environments

Industrial sensing components are selected for stability under vibration, contamination, and repetitive duty where consumer-grade devices are not suitable.

Faster Commissioning and Replacement

Standardized sensor families simplify spare strategy, reduce replacement errors, and support quicker return to production after maintenance events.

Typical Applications

  • Provides stable detection signals to PLC logic
  • Improves sequence timing accuracy
  • Reduces dependence on mechanical contact methods
  • Supports high-cycle production operation
  • Enables better fault isolation at machine stations
  • Simplifies maintenance through standard sensor families

Buying Checklist

  • Repeatable industrial detection behavior
  • Designed for continuous machine duty
  • Improves process timing confidence
  • Serviceable and standardizable selection
  • Reliable fit for automation sensing layers
02 / Specifications

Technical Specifications

Technical specifications for Omron E3ZM-R81 Retro-Reflective Photoelectric Sensor Metal Housing
ModelE3ZM-R81
SeriesE3ZM
TypeRetro-Reflective Photoelectric Sensor
Sensing RangeUp to 3m
Output TypeNPN
Supply VoltageDC12-24V
Response Time1ms
Light SourceRed LED
ProtectionIP67
MaterialMetal housing
Operating Temperature-25 to +55°C
03 / FAQ

Frequently Asked Questions

What's the advantage of metal housing?

Robust, durable, resistant to mechanical damage. Suitable for harsh industrial environments.

What's the sensing range?

Up to 3m with standard reflector.

Can this sensor detect transparent objects?

Standard retro-reflective: no. For transparent objects, use MSR model.

Can I adjust sensitivity?

Yes, sensitivity potentiometer on sensor side.

Need E3ZM-R81 pricing or lead time?

Email sales@hyx-automation.com or send your inquiry via the form. We respond same business day.

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