Sick GRTE18S-N236Z Photoelectric Sensor
Sick GRTE18S-N236Z photoelectric sensor delivers fully flush energetic detection with 800 mm range, NPN output, and IP67 protection housing. This Sick Fully Flush Energetic Photo Sensor uses visible red LED at 650 nm wavelength, produces a Ø 45 mm light spot, and operates on 10–30 V DC with potentiometer adjustment. 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 | GRTE18S-N236Z |
Sick GRTE18S-N236Z 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 ... 1,000 mm |
| Sensing range | 10 mm ... 800 mm |
| Type of light | Visible red light |
| Light source | LED |
| Light spot size (distance) | Ø 45 mm (800 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 | - |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 1,000 µs 4) |
| Switching frequency | 500 Hz 5) |
| Connection type | Connector M12, 3-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-N236Z Sick Fully Flush Energetic Photo Sensor is a compact M18 photoelectric proximity sensor for accurate short-to-medium range detection. The GRTE18S-N236Z Sick Fully Flush Energetic Photo Sensor supports a 10–800 mm sensing range, stable NPN switching output, and a wide Ø 45 mm light spot. It belongs to the GR Series and is designed for industrial automation systems requiring flush-mounted sensing.
This sensor is used in conveyors, packaging machines, assembly lines, and automated material handling systems. Fully flush mounting enables seamless integration into machine surfaces while maintaining reliable detection. With a 500 Hz switching frequency and <1,000 µs response time, it ensures consistent signal performance in standard automation cycles.
The GRTE18S-N236Z from Sick is built with a metal M18 housing, IP67 enclosure rating, and supplied fastening nuts for secure installation. Sick engineering ensures dependable operation in industrial environments where space-saving design, repeatable sensing, and long-term reliability are essential.
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