Leuze ET318B.3/4P-M12 Diffuse Sensor | 50122562 | ProSens Automation

Leuze ET318B.3/4P-M12 – Diffuse Photoelectric Sensor, 318B Series

The Leuze ET318B.3/4P-M12 is a diffuse photoelectric sensor from the reliable 318B Series designed for direct object detection without using a reflector. It operates on the diffuse reflection principle, detecting light reflected from the target object itself. The integrated Teach function enables quick sensitivity adjustment for different object colours and surfaces.

Key Features

• Diffuse photoelectric sensor
• 318B Series cylindrical M18 design
• Diffuse reflection operating principle
• Guaranteed operating range: 0.001–0.7 m (90% white target)
• Typical sensing range up to 1 m
• Visible red LED light source (620 nm)
• 2 × PNP transistor outputs (Light ON / Dark ON)
• Switching frequency: 500 Hz
• Response time: 1 ms
• Supply voltage: 10–30 VDC
• 4-pin M12 male connector
• M18 × 1 ABS plastic housing
• Protection rating: IP67
• Integrated Teach button for sensitivity adjustment
• Reverse polarity and short-circuit protection
• Operating temperature: -40°C to +60°C
• IEC 60947-5-2 compliant

Where This Sensor Is Used

The ET318B.3/4P-M12 is commonly used in conveyor systems, packaging machines, beverage filling equipment, food processing, pharmaceutical machinery, textile machines, warehouse automation and automotive production lines. It is ideal where direct object detection without a reflector is required.

What's in the Box

Sensor unit only.

Buy from ProSens Automation

ProSens Automation is an authorized Leuze dealer based in Erode and Coimbatore region, Tamil Nadu, supplying genuine Leuze sensors across India. Every product comes with full manufacturer warranty. We provide technical support for sensor selection, wiring guidance, and commissioning help. Shipping available across India.

📱WhatsApp us for price & availability—or tap the enquiry button above.

Frequently Asked Questions

What is the sensing range of the ET318B.3/4P-M12?

The sensor provides a guaranteed operating range of 1 mm to 700 mm on a 90% white target and a typical sensing range of up to 1 m. Detection distance varies depending on the target's colour and reflectivity.

Can this sensor be used in industrial environments?

Yes. It features an IP67-rated housing and operates in temperatures from -40°C to +60°C, making it suitable for demanding industrial automation environments.

Does this sensor require a reflector?

No. The ET318B.3/4P-M12 is a diffuse photoelectric sensor and detects objects directly using reflected light from the target. No reflector or separate transmitter is required.

Where can I buy the Leuze ET318B.3/4P-M12 in India?

ProSens Automation is an authorized Leuze dealer in Erode and Coimbatore region, Tamil Nadu. We supply genuine Leuze products across India with full manufacturer warranty. WhatsApp us for pricing and delivery timeline.