Home › Manufacturers › Omron › E3T-SR21

Omron

Omron E3T-SR21 Retro-Reflective Photoelectric Sensor

Omron E3T-SR21 Retro-Reflective Photoelectric Sensor with 10-200mm range.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerOmron

Part numberE3T-SR21

Sensing Range 10-200 mm

Output Configuration NPN

Operating Mode Light-ON

Sensing Method Retro-reflective

Get a price for E3T-SR21

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Ultracompact design Retro-reflective sensing 10-200mm sensing range NPN output Light-ON mode IP67 rated

Product description

The Omron E3T-SR21 is an ultracompact photoelectric sensor featuring a built-in amplifier and retro-reflective sensing. It offers a sensing range of 10mm to 200mm, utilizes a red LED light source, and provides an NPN digital output in Light-ON mode. With an IP67 rating and a durable PBT polymer housing, this sensor is designed for reliable operation in demanding industrial environments.

This sensor is well-suited for detecting objects in automated assembly lines, packaging machinery, and material handling systems where space is limited and reliable detection is crucial. Its compact size and robust construction make it an excellent choice for various automation applications.

Stanlo Automation, your veteran-owned source for industrial automation parts, offers the Omron E3T-SR21. Ensure your operations have the quality components they need by sourcing from Stanlo.

Technical specifications

Sensing Range	10-200 mm
Output Configuration	NPN
Operating Mode	Light-ON
Sensing Method	Retro-reflective
Supply Voltage	12-24 VDC
Cable Length	2 m
IP Rating	IP67
Light Source	Red LED (650nm)

Common applications

Automated assembly lines

Packaging machinery

Material handling

Industrial automation

Proximity detection

Object detection

Also known as

E3T-SR21 2M

Technical note

Expert tip

The E3T-SR21's built-in amplifier and M2 screw mounting simplify integration into compact automated systems.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the sensing range and output type of the Omron E3T-SR21?

The Omron E3T-SR21 offers a sensing range of 10mm to 200mm and features an NPN output in Light-ON mode. Its retro-reflective sensing capability and IP67 rating make it suitable for industrial applications.