Sick GRTE18S-N234Z Photoelectric Sensor
Sick GRTE18S-N234Z photoelectric sensor provides 400 mm sensing range, NPN output, visible red light, M18 cylindrical housing design format. This GRTE18S-N234Z Sick M18 Cylindrical Photo Sensor uses PinPoint LED optics at 650 nm wavelength, supports 10–30 V DC supply, and switches up to 500 Hz. It is part of Sick sensing solutions within Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTE18S-N234Z |
Sick GRTE18S-N234Z Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Energetic |
| 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. | 5 mm ... 550 mm |
| Sensing range | 10 mm ... 400 mm |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 9 mm (400 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 270° |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | NPN |
| Switching mode | Light switching |
| Signal voltage PNP HIGH/LOW | Approx. VS / ≤ 3 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 1,000 µs 4) |
| Switching frequency | 500 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 GRTE18S-N234Z Sick M18 Cylindrical Photo Sensor is an energetic photoelectric proximity sensor designed for precise object detection. The GRTE18S-N234Z Sick M18 Cylindrical Photo Sensor offers 400 mm operating range, stable NPN switching output, and reliable detection using visible red PinPoint LED. This model belongs to the GR Series and is widely integrated into industrial automation systems.
This sensor is used in conveyors, packaging machines, assembly lines, and automated inspection stations. Energetic sensing allows direct object detection without reflectors, while the fully flush axial optical axis ensures consistent performance in confined mechanical layouts and moving production environments.
The GRTE18S-N234Z from Sick features an IP67 enclosure, durable metal and ABS housing, and M12 connector for secure installation. Sick manufacturing standards ensure dependable optical stability, electrical consistency, and long-term suitability for continuous industrial operation.
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