Sick GRL18-P2432 Photoelectric Sensor
Sick GRL18-P2432 photoelectric sensor is a dual lens retro-reflective device delivering 6 m sensing range, PNP output, and IP67 enclosure performance. This model uses visible red PinPoint LED with a Ø 175 mm light spot, supports 10–30 V DC supply, offers light or dark switching, and operates at 1,000 Hz. It belongs to Sick sensing systems, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRL18-P2432 |
Sick GRL18-P2432 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 73.5 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 | Potentiometer |
| 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/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 | Male connector M12, 4-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 GRL18-P2432 Sick 175mm Light Spot Photoelectric Sensor is a retro-reflective photoelectric sensor designed for stable object detection in industrial automation environments. The GRL18-P2432 integrates a dual-lens optical system with visible red PinPoint LED technology, supporting a 0.06–6 m sensing range and defined Ø 175 mm light spot. It operates with a PNP switching output, allows light or dark switching selection, and is housed in an IP67-rated M18 metal enclosure. This sensor is part of the GR Series used across factory automation systems.
In practical applications, the GRL18-P2432 Sick 175mm Light Spot Photoelectric Sensor is used on conveyors, packaging machines, automated assembly stations, and material handling lines. The retro-reflective dual-lens principle enables reliable detection even with varying object surfaces. Its <500 µs response time and 1,000 Hz switching frequency support high-speed processes, while the nickel-plated brass and ABS housing ensures durability in industrial operating conditions.
The GRL18-P2432 from :contentReference[oaicite:0]{index=0} delivers consistent sensing behavior through controlled optics, stable electrical characteristics, and defined mechanical design. With dual-lens retro-reflective detection, adjustable sensitivity via potentiometer, and IP67 protection, this photoelectric sensor meets standard industrial requirements. Its placement within the GR Series ensures compatibility with common automation architectures, making the GRL18-P2432 suitable for continuous industrial use.
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