Sick GRTB18S-N1117 Photoelectric Sensor
Sick GRTB18S-N1117 photoelectric proximity sensor delivers background suppression, 150 mm sensing range, NPN output, and M18 cylindrical housing design. This Sick NPN Cylindrical Photo Sensor uses visible red PinPoint LED at 650 nm, operates on 10–30 V DC, and switches at 1,000 Hz. It is part of Sick sensing solutions, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTB18S-N1117 |
Sick GRTB18S-N1117 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 18 mm x 18 mm x 38.1 mm |
| Housing design (light emission) | Cylindrical |
| Thread diameter (housing) | M18 x 1 |
| Optical axis | Axial |
| Sensing range max. | 3 mm ... 300 mm |
| Sensing range | 20 mm ... 150 mm |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 7 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 270° |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | NPN |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | Approx. VS / ≤ 3 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 500 µs 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Cable, 4-wire, 2 m 6) |
| Protection class | III |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | –25 °C ... +55 °C 10) |
| Ambient temperature, storage | –40 °C ... +70 °C |
The GRTB18S-N1117 Sick NPN Cylindrical Photo Sensor is designed for precise short-range object detection. The GRTB18S-N1117 Sick NPN Cylindrical Photo Sensor provides background suppression, a 20–150 mm sensing range, and reliable NPN switching output. It belongs to the GR Series and is widely used in industrial automation systems.
This sensor is applied in conveyors, packaging machines, automated assembly lines, and material handling equipment. Background suppression minimizes false detection from reflective backgrounds, while fast response supports accurate switching in high-speed processes. The cylindrical M18 form factor enables straightforward installation in confined machine layouts.
The GRTB18S-N1117 from Sick features an IP67-rated enclosure, ABS housing, and a fixed cable connection for stable operation. Sick manufacturing standards ensure consistent sensing performance, electrical reliability, and long service life in continuous industrial environments.
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