Sick GRL18S-P233W Photoelectric Sensor
Sick GRL18S-P233W photoelectric sensor delivers 6 m sensing range, PNP output, retro-reflective sensing, IP67 fully flush M18 housing cylindrical. This Sick Fully Flush Retro-reflective Sensor uses visible red PinPoint LED at 650 nm, operates on 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-P233W |
Sick GRL18S-P233W 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 | Light 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-P233W Sick Fully Flush Retro-reflective Sensor is a cylindrical photoelectric sensor designed for accurate object detection. The GRL18S-P233W Sick Fully Flush Retro-reflective 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 used in industrial automation systems.
This sensor is applied in conveyors, packaging machinery, automated assembly lines, and material handling systems. Retro-reflective dual lens operation enables reliable detection with reflectors, while the fully flush radial optical axis supports compact installation. With <500 µs response time and consistent signal output, it ensures stable performance in continuous operation.
The GRL18S-P233W from Sick features IP67 enclosure protection, metal housing construction, and an M12 connector interface for dependable wiring. Sick manufacturing standards ensure long-term reliability, electrical stability, and suitability for demanding industrial environments.
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