Sick GRL18S-P2336 Photoelectric Sensor
Sick GRL18S-P2336 photoelectric sensor is a retro-reflective dual lens device providing 6 m sensing range PNP output IP67-rated housing. This model uses visible red PinPoint LED at 650 nm wavelength, supports 10–30 V DC supply, switches at 1,000 Hz, and features an M18 cylindrical body. 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-P2336 |
Sick GRL18S-P2336 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 |
| 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 | Plastic, 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-P2336 Sick 18mm Retro-reflective Sensor is a photoelectric sensor designed for consistent object detection in industrial automation systems. The GRL18S-P2336 uses a dual-lens retro-reflective optical principle with visible red PinPoint LED, supporting a 0.06–6 m sensing range and stable signal output. It operates with a PNP light-switching output, requires 10–30 V DC supply, and is enclosed in an IP67-rated M18 housing. This model belongs to the GR Series used in factory automation environments.
In application scenarios, the GRL18S-P2336 Sick 18mm Retro-reflective Sensor is commonly installed on conveyors, packaging machines, automated assembly stations, and material handling equipment. The defined optical axis and retro-reflective detection ensure reliable sensing of passing objects. Its <500 µs response time and 1,000 Hz switching frequency allow use in high-speed processes, while the ABS housing and M12 connector support operation in standard industrial conditions.
The GRL18S-P2336 from :contentReference[oaicite:0]{index=0} provides predictable detection behavior through controlled optics, stable electrical parameters, and defined mechanical construction. With dual-lens retro-reflective sensing, fixed adjustment design, and IP67 enclosure protection, this photoelectric sensor is suitable for continuous industrial use. Its integration within the GR Series supports compatibility with common automation architectures, making the GRL18S-P2336 appropriate for industrial sensing requirements.
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