E3Z-G812?

Overview of Omron E3Z-G812

The Omron E3Z-G812 is a grooved-type photoelectric sensor designed for reliable object detection within a 25 mm sensing groove width. It features a built-in amplifier and offers easy settings with a compact design ideal for industrial automation. The sensor uses an infrared LED light source (940 nm) and is available with PNP or NPN open-collector output, selectable Light-ON or Dark-ON operation mode.

Key Features of Omron E3Z-G812

• Grooved Type Sensor: 25 mm wide sensing groove suitable for detecting thin or small opaque objects.
• Light Source: Infrared LED with wavelength of 940 nm.
• Output Type: PNP open-collector output.
• Power Supply Voltage: 12 to 24 V DC with ±10% tolerance and max 10% ripple.
• Current Consumption: Approx. 40 mA max.
• Response Time: Operate/reset within 1 ms for fast detection.
• Operation Mode: Light-ON/Dark-ON selectable via switch.
• Protection Circuits: Reverse polarity protection, output short-circuit protection, and mutual interference prevention.
• LED Indicator: Orange operation indicator LED.
• Operating Temperature Range: -25°C to 55°C (no freezing or condensation).
• Degree of Protection: IP64 (dust and splash resistant).
• Connection: Pre-wired cable or pre-wired connector options available.

Technical Specifications of Omron E3Z-G812

Model	E3Z-G812
Type	Grooved photoelectric sensor with built-in amplifier
Sensing Distance	25 mm (distance between groove arms)
Light Source	Infrared LED, 940 nm
Output Type	PNP open-collector output
Light-ON/Dark-ON	Select-able
Power Supply Voltage	12 to 24 V DC ±10%
Current Consumption	40 mA max.
Response Time	1 ms max.
Ambient Illumination	Incandescent lamp: 3,000 lx max.; Sunlight: 10,000 lx max.
Operating Temperature	-25 to 55°C (no condensation or freezing)
Degree of Protection	IP64 (IEC 60529)
Connection Method	Pre-wired cable or connector
LED Indicator	Orange operation indicator
Material	ABS case
Weight	Approx. 65 g

Applications / Use Cases

The E3Z-G812 is suitable for detecting small, thin opaque objects on conveyors or manufacturing lines, packaging inspection, and industrial automation systems that require reliable sensing in a defined groove space.

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Verification Links:
https://files.omron.eu/downloads/latest/datasheet/en/e320_e3z-g_grooved-type_photoelectric_sensor_datasheet_en.pdf?v=2
https://www.ia.omron.com/product/item/518/
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/E3Z-G81-2M