$ 1,360.50
Optimize your process with the SICK LUT3-620 (1015397) luminescence sensor. Features UV LED technology, 20mm sensing distance, and IP67 rating for reliable detection.
The SICK LUT3-620 (Part No. 1015397) is a high-performance luminescence sensor designed to detect fluorescent marks on various surfaces, regardless of the material’s color, pattern, or texture. Operating with a UV LED light source at a wavelength of 375 nm, the sensor triggers when it detects the visible light emitted by fluorescent substances in the scanning area.
Equipped with a sensing distance of 20 mm and a functional working range between 10 mm and 35 mm, the LUT3-620 ensures precise detection even in demanding industrial environments. The device features an intuitive manual adjustment system via an infinite potentiometer, allowing for quick sensitivity tuning to match specific fluorescent marks. Its robust zinc die-cast housing and IP67 protection rating make it highly resistant to mechanical stress and environmental factors. With a fast response time of 350 µs and a switching frequency of 1.5 kHz, this sensor is ideal for high-speed automated production lines where reliable monitoring of labels, safety marks, or chemical additives is critical for quality control.
| Dimensions (W x H x D) | 30.4 mm x 53 mm x 80 mm |
| Sensing distance | ≤ 20 mm 1) |
| Housing design | Large |
| Working range | 10 mm … 35 mm |
| Light source | LED, UV 2) |
| Wave length | 375 nm |
| Light emission | Long side |
| Light spot size | 3 mm x 9 mm |
| Light spot direction | Vertical |
| Receiving filters | ≤ 420 nm 3) |
| Receiving range | 450 nm … 750 nm |
| Adjustment | Potentiometer |
| Output function | Light switching |
1) From leading edge of lens.
2) Average service life: 100,000 h at TU = +25 °C.
3) Filter blocks shorter wavelengths to suppress background luminescence.
| Supply voltage | 12 V DC … 30 V DC 1) |
| Ripple | < 2 Vpp 2) |
| Current consumption | < 60 mA 3) |
| Switching frequency | 1.5 kHz 4) |
| Response time | 350 µs 5) |
| Switching output | PNP, NPN |
| Switching output (voltage) | PNP: HIGH = VS– ≤ 3 V / LOW = approx. 0 V
NPN: HIGH = approx. UV / LOW ≤ 2 V |
| Switching mode | Light switching |
| Output current Imax. | 100 mA |
| Connection type | Male connector M12, 4-pin |
| Protection class | II 6) |
| Circuit protection | UV connections, reverse polarity protected
Output Q short-circuit protected Interference pulse suppression |
| Enclosure rating | IP67 |
| Weight | 400 g |
| Housing material | Zinc diecast |
1) Limit values when operated in short-circuit protected network: max. 8 A.
2) May not fall below or exceed UV tolerances.
3) Without load.
4) With light/dark ratio 1:1.
5) Signal transit time with resistive load.
6) Reference voltage DC 50 V.
