Sick GRTB18-P2487 Photoelectric Sensor
Sick GRTB18-P2487 photoelectric sensor delivers 150 mm sensing range, background suppression, PNP output, blue light operation for industrial automation. This GRTB18-P2487 Sick PNP Cylindrical Photo Sensor uses visible blue LED at 445 nm wavelength, supports 10–30 V DC, and switches up to 1,000 Hz. It belongs to Sick sensing solutions within Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTB18-P2487 |
Sick GRTB18-P2487 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| 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. | 3 mm ... 300 mm |
| Sensing range | 20 mm ... 150 mm |
| Type of light | Visible blue light |
| Light source | LED |
| Light spot size (distance) | Ø 7 mm (100 mm) |
| Wave length | 445 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 | 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 GRTB18-P2487 Sick PNP Cylindrical Photo Sensor is a photoelectric proximity sensor designed for precise background suppression detection. The GRTB18-P2487 Sick PNP Cylindrical Photo Sensor provides 150 mm operating range, PNP switching output, and reliable detection using blue LED light. This sensor belongs to the GR Series and is used in industrial automation systems.
This sensor is applied in conveyors, packaging lines, automated assembly, and material handling equipment. Background suppression enables consistent detection of target objects while minimizing false signals from reflective backgrounds, ensuring stable switching performance in compact machine layouts.
The GRTB18-P2487 from Sick features an IP67 enclosure, durable ABS housing, and M12 connector for secure installation. Sick manufacturing standards ensure optical stability, electrical reliability, and suitability for continuous industrial operation.
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