If youβre not fully sure about LUT1U-31231, taking a closer look at Sick Diffuse Sensor, Sick Lut8U 11331 and Sick Incremental Sensors often helps compare reliability, cost, and availability.
Sick LUT1U-31231 Luminescence Sensor
The Sick LUT1U-31231 Luminescence Sensor offers a Middle design, β€ 150 mm sensing distance, Long side light emission, PNP, NPN output, and Male connector M12, 5-pin connection type. Manufactured by Sick under the Sick Luminescence Sensor category, this model belongs to the LUT Series.

| Brand | Sick |
| Product Type | Luminescence Sensor |
| Model Number | LUT1U-31231 |
Sick Luminescence Sensor LUT1U-31231 Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 23 mm x 70 mm x 60 mm |
| Sensing distance | β€ 150 mm |
| Housing design | Middle |
| Working range | 60 mm ... 160 mm |
| Light source | LED, UV 2) |
| Wave length | 375 nm |
| Light emission | Long side |
| Light spot size | 12 mm x 12 mm |
| Receiving filters | KV 418 (standard) |
| Receiving range | 450 nm ... 750 nm |
| Adjustment | Double teach-in button |
| Output function | Light switching |
| Supply voltage | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp 2) |
| Current consumption | < 40 mA 3) |
| Switching frequency | 600 Hz 4) |
| Response time | 8 ms 5) |
| Switching output | PNP, NPN |
| Switching output (voltage) | PNP: HIGH = UV β€ 2 V / LOW approx. 0 VNPN: HIGH = approx. UV / LOW β€ 2 V |
| Switching mode | Light switching |
| Output current Imax. | 200 mA |
| Connection type | Male connector M12, 5-pin |
| Protection class | III 6) |
| Circuit protection | UV connections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression |
| Enclosure rating | IP67 |
| Weight | 240 g |
| Housing material | Metal, zinc diecast |
| Ambient operating temperature | β20 Β°C ... +60 Β°C |
| Ambient temperature, storage | β40 Β°C ... +70 Β°C |




