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LUT3 Luminescence Sensor SICK | AUMI

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Simple adjustment via potentiometer saves time and costs
Reliable background fluorescence suppression filter ensures higher process reliability
Interchangeable lenses for different sensing ranges increase application flexibility

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Product Code:

LUT3-650	1015398	50 mm	PNP, NPN	5 mm x 15 mm	LED, UV
LUT3-620	1015397	20 mm	PNP, NPN	3 mm x 9 mm	LED, UV
LUT3-610	1015396	10 mm	PNP, NPN	2 mm x 6 mm	LED, UV

SICK LUT3 Luminescence Sensor – High-Precision Luminescence Sensor for Fluorescent Object Detection

Key Highlights:

Simple adjustment via potentiometer saves time and costs
Reliable background fluorescence suppression filter ensures higher process reliability
Interchangeable lenses for different sensing ranges increase application flexibility

Overview of SICK LUT3 Luminescence Sensor

The LUT3 luminescence sensor belongs to SICK’s luminescence sensor family. It is specially designed to detect objects or marks containing fluorescent substances under UV light. The sensor emits UV light at a wavelength of 375 nm and receives the returned fluorescent light in the 450–750 nm range, ensuring accurate detection even on objects that are difficult to distinguish with conventional photoelectric sensors.

5 Key Features:

Light source: UV LED, 375 nm wavelength, service life of 100,000 hours
Sensing distance: 10 / 20 / 50 mm (depending on lens)
Output: Selectable PNP and NPN, switching frequency 1.5 kHz
Connection: M12, 4-pin male connector
Protection rating: IP67 – dust-tight and water-resistant

Technical Specifications of SICK LUT3 Luminescence Sensor

Parameter	Value
Model	LUT3-6xx (e.g. LUT3-610, LUT3-620, LUT3-650…)
Function	Luminescence Sensor
Sensing Distance	10 mm / 20 mm / 50 mm (depending on lens)¹
Operating Distance	0 … 15 mm (10 mm lens), 10 … 35 mm (20 mm lens)
Light Type	Ultraviolet LED (UV)
Wavelength	375 nm
Light Emission Direction	Long side
Light Spot Size	2 × 6 mm (10 mm) / 3 × 9 mm (20 mm) / 5 × 15 mm (50 mm)
Receiver Filter	KV 418 (standard), 450 … 750 nm
Switching Frequency	1.5 kHz
Response Time	350 µs
Supply Voltage (Vs)	12 V DC … 30 V DC
Ripple	< 2 Vpp
Current Consumption	< 60 mA (no load)
Switching Output	PNP / NPN (selectable)
Output Voltage	PNP: HIGH = Vs – ≤ 3 V / LOW ≈ 0 V NPN: HIGH ≈ Vs / LOW ≤ 2 V
Maximum Output Current (Imax)	100 mA
Operating Mode	Light switching (Light ON)
Adjustment	Potentiometer (infinitely variable)
Connection Type	M12, 4-pin male connector
Housing Material	Zinc diecast
Protection Rating	IP67
Operating Temperature	-10 °C … +55 °C
Storage Temperature	-25 °C … +75 °C
Weight	Approx. 400 g
Dimensions (W × H × D)	30.4 × 53 × 80 mm
LED Service Life	100,000 hours (at +25 °C)
Shock Resistance	According to IEC 60068
Circuit Protection	Reverse polarity, short-circuit, interference

Notes:

¹ Sensing distance is measured from the front edge of the lens.
Lenses are interchangeable (interchangeable lenses) to suit different sensing ranges.
Complies with IEC/EN 62471 photobiological safety standard.

Industrial Applications of the SICK LUT3 Luminescence Sensor

With its UV-based fluorescence detection capability and rugged IP67 housing, the SICK LUT3 sensor is ideal for many critical applications in Vietnamese manufacturing:

Label and Fluorescent Barcode Inspection: Detects security labels and invisible fluorescent ink on food and pharmaceutical products. LUT3 ensures 100% label verification before packaging.
Printing and Packaging Industry: Monitors the position and presence of fluorescent ink during high-speed printing. The 1.5 kHz response frequency ensures no defects are missed even on fast production lines.
Food & Pharmaceutical Packaging Lines: Detects fluorescent glue or markers on package seals. IP67 rating guarantees stable operation in environments requiring frequent cleaning.
Automated Quality Control: Verifies the presence of safety fluorescent marks on components. PNP/NPN outputs allow direct connection to PLCs without additional modules.
Electronics Manufacturing: Detects UV glue, printed marks, or fluorescent substances during PCB and electronic component inspection.

AUMI has provided technical consultation and supplied the LUT3 luminescence sensor to many food and pharmaceutical companies in Hanoi and Ho Chi Minh City, helping them automate label inspection and significantly reduce defective shipments.

Comparison between SICK LUT3 and LUT1 Luminescence Sensors – Which Model to Choose?

Parameter	LUT3 (LUT3-6)	LUT1
Primary Purpose	Standard solution for common applications	Compact sensor for long-distance detection
Sensing Distance	10 / 20 / 50 mm (interchangeable lenses)	Up to 150 mm
Typical Operating Distance	0 – 60 mm (depending on lens)	15 – 160 mm (depending on model)
Light Type	UV LED (375 nm)	UV LED (375 nm) or Blue (470 nm)
Threshold Adjustment	Potentiometer (infinitely variable)	Membrane keyboard / +/- buttons
Switching Frequency	1.5 kHz	600 Hz or 6 kHz (depending on model)
Response Time	350 µs	85 µs – 8 ms (depending on model)
Output	PNP / NPN	PNP / NPN (some models with Analog output)
Connection	M12, 4-pin	M12, 5-pin (depending on model)
Dimensions (W x H x D)	30.4 × 53 × 80 mm	23 × 70 × 60 mm (more compact)
Housing Material	Zinc diecast	Robust metal housing
Protection Rating	IP67	IP67
Supply Voltage	12 – 30 V DC	12 – 30 V DC
Current Consumption	< 60 mA	< 40 – 60 mA
Operating Temperature	-10 °C … +55 °C	-10 °C … +55 °C
Outstanding Features	Easy lens replacement, good price	Long distance, high speed, Blue light option
Recommended Applications	Label, barcode, packaging, package insert inspection	Long-distance fluorescent mark detection, high-speed lines

Choose LUT3 if:

Sensing distance is short to medium (under 50 mm)
You need a simple, durable, and cost-effective solution
Easy lens replacement is required

Choose LUT1 if:

Long sensing distance is needed (up to 150 mm)
High switching frequency is required (up to 6 kHz)
Blue light (470 nm) is preferred for red fluorescent marks

Frequently Asked Questions (FAQs)

Q1: What is the price of the SICK LUT3 luminescence sensor?

The price of the LUT3 depends on the specific model and included accessories. Please contact AUMI at hotline 0917 991 589 for the best quotation and expert advice on selecting the right model for your application.

Q2: In which industries is the LUT3 luminescence sensor used?

The LUT3 is widely used in fluorescent label inspection, printing and packaging, food & pharmaceutical packaging, electronics manufacturing, and any application requiring reliable detection of fluorescent substances.

Q3: Does the SICK LUT3 have IP67 protection?

Yes. The LUT3 series achieves IP67 rating – completely dust-tight and resistant to water jets. It is well-suited for factory environments with regular cleaning processes.

Q4: Does the LUT3 require additional accessories?

It depends on the application. The LUT3 can be fitted with interchangeable lenses (OBJ-LUT3-10/20/50) to adjust the sensing distance. SICK also provides reference fluorescent pens (LUM-KLK, LUM-FT) for easy sensor calibration.

Q5: Where can I buy genuine SICK LUT3 luminescence sensors?

AUMI is the official distributor of SICK in Vietnam, offering 100% genuine products with full CO/CQ certificates. Contact us at hotline 0917 991 589 or visit aumi.com.vn.

AUMI – Official Distributor of SICK LUT3 Luminescence Sensors in Vietnam. Full manufacturer warranty, complete CO/CQ documentation, and 24/7 technical support.

📞 Hotline: 0917 991 589 (Hanoi) | 0932 226 100 (Ho Chi Minh City)

📧 Email: [email protected]

🌐 Website: https://aumi.com.vn/

📍 Addresses:

Hanoi: B44, Villa Area, Viet Hung Urban Zone, Long Bien District
Ho Chi Minh City: 2nd Floor, HS Building, 260/11 Nguyen Thai Binh, Tan Binh District
Da Nang: 9th Floor, PV Bank Building, No. 2 30-4 Street, Hoa Cuong Ward, Da Nang City

🔗 Official Datasheet

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