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Sick GRL18S-P2338 Photoelectric Sensor
The Sick GRL18S-P2338 Photoelectric Sensor offers a Cylindrical design, 0.06 m ... 6 m sensing range, PinPoint LED light source, PNP output, and Connector M12, 3-pin connection. Manufactured by Sick under the Sick Photoelectric Sensor category, this model belongs to the GR Series.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRL18S-P2338 |
Sick GRL18S-P2338 Photoelectric Sensor โ 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 |
| 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) | ร 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 - (โค 3 V) / approx. 0 V |
| Output current Imax. | โค 100 mA 3) |
| Response time | < 500 ยตs 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Connector M12, 3-pin |
| Protection class | III |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | โ25 ยฐC ... +55 ยฐC 9) |
| Ambient temperature, storage | โ40 ยฐC ... +70 ยฐC |
The GRL18S-P2338 from Sick is a robust Photoelectric Sensor that operates on the retro-reflective principle with a specialized dual-lens system for precise object detection. It offers a dependable sensing range from 0.06 m to 6 m, with a maximum capacity of up to 7.2 m. Emitting visible red light through a PinPoint LED source at 650 nm wavelength, the sensor creates a concentrated ร 175 mm light spot at 7 meters for reliable detection of reflective targets, including irregular or shiny surfaces.
The cylindrical housing, sized at 18 mm x 18 mm x 38.1 mm with an M18 x 1 thread, is designed with a radial optical axis, offering installation flexibility in tight or side-mounted configurations. The enclosure is built from industrial-grade ABS plastic with durable PMMA optics, achieving an IP67 protection rating for resistance to dust and moisture. With no manual adjustment needed, the sensor is factory-calibrated and optimized for plug-and-play use, simplifying installation and reducing setup time.
Electrically, the sensor operates on a 10 V DC to 30 V DC supply with a low 30 mA current draw, and delivers PNP output in light switching mode. It boasts a fast response time of under 500 ยตs and supports a high switching frequency of 1,000 Hz, making it suitable for high-speed applications like part counting and conveyor monitoring. Backed by Sickโs reputation in industrial sensing, the GRL18S-P2338 offers reliable, maintenance-free operation in harsh environments.
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