Sick GRL18S-F235Y Photoelectric Sensor
Sick GRL18S-F235Y photoelectric sensor provides 6 m sensing range, PNP output, dual lens design, IP67 cylindrical housing radial fully. This Sick 175mm Light Spot Photo Sensor uses visible red PinPoint LED at 650 nm, supports 10–30 V DC, and switches at 1,000 Hz. It belongs to Sick sensing solutions, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRL18S-F235Y |
Sick GRL18S-F235Y Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Dual lens |
| 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 | Radial, fully flush |
| Sensing range max. | 0.03 m ... 7.2 m |
| Sensing range | 0.06 m ... 6 m |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 175 mm (7 m) |
| Wave length | 650 nm |
| Adjustment | None |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | PNP |
| Switching mode | Dark switching |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 500 µs 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Connector M12, 3-pin |
| Protection class | III |
| Housing material | Metal, Nickel-plated brass and ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | –25 °C ... +55 °C 9) |
| Ambient temperature, storage | –40 °C ... +70 °C |
The GRL18S-F235Y Sick 175mm Light Spot Photo Sensor is a retro-reflective photoelectric sensor designed for precise object detection. The GRL18S-F235Y Sick 175mm Light Spot Photo Sensor supports a 0.06–6 m sensing range, stable PNP switching output, and a wide Ø 175 mm light spot. It belongs to the GR Series and is applied across industrial automation environments.
This sensor is commonly used in conveyors, packaging lines, automated assembly systems, and material handling equipment. Dual lens retro-reflective operation enables consistent detection with reflectors, while the radial fully flush optical axis supports compact mounting. With <500 µs response time and 1,000 Hz switching frequency, it delivers stable performance in continuous-duty applications.
The GRL18S-F235Y from Sick features an IP67 enclosure, metal housing construction, and an M12 connector interface for secure electrical connections. Sick manufacturing standards ensure long-term operational reliability, electrical stability, and suitability for demanding industrial conditions.
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