Sick GRL18S-P233Y Photoelectric Sensor
Sick GRL18S-P233Y photoelectric sensor provides retro-reflective dual-lens detection with 6 m range PNP output IP67 protection industrial automation applications. This model operates using visible red PinPoint LED at 650 nm wavelength, features a fully flush axial optical axis, and supports 10–30 V DC supply with 1,000 Hz switching frequency. 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-P233Y |
Sick GRL18S-P233Y 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 | Axial, 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-P233Y Sick M12 Connector Photoelectric Sensor is a retro-reflective photoelectric sensor designed for precise object detection in industrial automation. The GRL18S-P233Y Sick M12 Connector Photoelectric Sensor offers a defined 0.06–6 m sensing range, stable PNP switching output, and dual-lens optical principle for consistent detection. It is part of the GR Series and is commonly integrated into compact automation systems requiring cylindrical sensors.
In industrial environments, the GRL18S-P233Y Sick M12 Connector Photoelectric Sensor is applied in conveyors, packaging machines, assembly stations, and automated material handling lines. Retro-reflective sensing enables reliable object detection independent of surface characteristics. The <500 µs response time and 1,000 Hz switching frequency support fast process cycles, while the M12 connector allows secure and standardized electrical integration.
The GRL18S-P233Y from Sick is built for reliable long-term operation in demanding industrial conditions. With an IP67-rated enclosure, metal cylindrical housing, and controlled current consumption, it ensures stable performance. As part of the GR Series, the GRL18S-P233Y maintains compatibility with industrial automation standards, making it suitable for accurate and repeatable photoelectric sensing applications.
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