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Leuze FT318B.3/4P-M12 Diffuse Sensor
The Leuze FT318B.3/4P-M12 is a compact and high-performing red-light diffuse sensor designed for precise object detection at short ranges. Employing the diffuse reflection principle, this sensor offers a dependable detection range of up to 215 mm for high-reflectivity surfaces and 125 mm for dark objects (6% reflectivity). It’s equipped with a 620 nm red LED and supports both light and dark switching through a PNP transistor output, offering flexible detection logic for various automation setups.
The sensor features a robust M18 cylindrical housing made from durable ABS plastic and integrates a 4-pin M12 male connector, enabling easy and secure connections in industrial environments. With a switching frequency of 500 Hz and a response time of 1 ms, it performs efficiently even in fast-paced processes.
Its IP67-rated construction ensures protection against dust and water, while the integrated Teach button simplifies setup and sensitivity tuning. Lightweight and rugged, the FT318B.3/4P-M12 is ideal for precision object detection in packaging, logistics, and assembly applications, especially when space-saving and reliable operation are key requirements.
Key features :-
Product Number | FT318B.3/4P-M12 |
Part Number | 50122554 |
Series | 318B |
Operating principle | Diffuse reflection principle |
Operating range | Guaranteed operating range |
Operating range, white 90% | 0.001 ... 0.215 m |
Operating range, gray 50% | 0.001 ... 0.19 m |
Operating range, gray 18% | 0.003 ... 0.15 m |
Operating range, black 6% | 0.003 ... 0.125 m |
Operating range limit | Typical operating range |
Operating range limit, white 90% | 0.001 ... 0.28 m |
Operating range limit, gray 50% | 0.001 ... 0.245 m |
Operating range limit, gray 18% | 0.003 ... 0.19 m |
Operating range limit, black 6% | 0.001 ... 0.16 m |
Light source | LED, Red |
Wavelength | 620 nm |
LED group | Exempt group (in acc. with EN 62471) |
Supply voltage UB | 10 ... 30 V, DC, Incl. residual ripple |
Residual ripple | 0 ... 15 %, From UB |
Open-circuit current | 0 ... 20 mA |
Switching element | Transistor, PNP |
Switching principle | Light switching |
Switching element | Transistor, PNP |
Switching principle | Dark switching |
Switching frequency | 500 Hz |
Response time | 1 ms |
Readiness delay | 300 ms |
Function | Signal OUT Voltage supply |
Type of connection | Connector |
Thread size | M12 |
Type | Male |
Material | Plastic |
No. of pins | 4 -pin |
Encoding | A-coded |
Thread size | M18 x 1 mm |
Dimension (Ø x L) | 18 mm x 46 mm |
Housing material | Plastic |
Plastic housing | ABS |
Lens cover material | Plastic |
Net weight | 20 g |
Housing color | Black Red |
Type of display | LED |
Operational controls | Teach button |
Ambient temperature, operation | -40 ... 60 °C |
Ambient temperature, storage | -40 ... 70 °C |
Degree of protection | IP 67 |
Protection class | III |
Certifications | c UL US |
Standards applied | IEC 60947-5-2 |
Applications :-
-
Short-Range Object Detection
Reliably detects reflective and dark objects on conveyor belts or assembly lines. -
Packaging & Material Handling
Compact build and fast switching make it ideal for use on high-speed machines. -
Flexible Sensor Integration
PNP output with light/dark switching adapts to a variety of control systems. -
Quick Configuration
Onboard Teach button allows intuitive sensitivity adjustment for different targets. -
Rugged Industrial Use
IP67 rating and wide temperature tolerance support use in demanding environments.
Precautions:
- Ensure Correct Wiring: Incorrect connections can cause sensor failure
- Avoid Overvoltage: Operating within 10-30V DC prevents damage
- Protect from Extreme Heat: Avoid installing near high-temperature sources
- Regular Cleaning: Keep the optical lens free from dust and debris for optimal performance
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Accuracy Disclaimer: Specifications provided are based on datasheet and are subject to change without notice. While every effort has been made to ensure accuracy, errors may occur. Users are encouraged to verify specifications with the manufacturer and consult for any specific questions or requirements.
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