Sick GRTE18S-N1142V Photoelectric Sensor
Sick GRTE18S-N1142V photoelectric sensor offers 400 mm sensing range, NPN output, and IP67 M18 cylindrical stainless steel housing. This Sick 55.9 mm Photoelectric Sensor operates on energetic sensing using visible red PinPoint LED, supports 10–30 V DC, and provides light/dark switching with 500 Hz frequency. It is part of Sick solutions, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTE18S-N1142V |
Sick GRTE18S-N1142V 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 55.9 mm |
| Housing design (light emission) | Cylindrical |
| Thread diameter (housing) | M18 x 1 |
| Optical axis | Axial |
| 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/dark switching 3) |
| Signal voltage PNP HIGH/LOW | Approx. VS / ≤ 3 V |
| Output current Imax. | ≤ 100 mA 4) |
| Response time | < 1,000 µs 5) |
| Switching frequency | 500 Hz 6) |
| Connection type | Cable, 4-wire, 2 m 7) |
| Protection class | III |
| Housing material | Stainless steel, Stainless steel V4A (1.4404, 316L) |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | –25 °C ... +55 °C 13) |
| Ambient temperature, storage | –30 °C ... +75 °C |
The GRTE18S-N1142V Sick 55.9 mm Photoelectric Sensor is an energetic photoelectric proximity sensor designed for accurate object detection. The GRTE18S-N1142V Sick 55.9 mm Photoelectric Sensor supports a 10–400 mm sensing range, stable NPN switching output, and a focused Ø 9 mm light spot. It belongs to the GR Series and is widely used in industrial automation systems.
This sensor is suitable for conveyors, packaging machines, automated assembly lines, and material handling equipment. The energetic sensing principle allows reliable detection without reflectors, while the M18 threaded cylindrical housing enables easy mechanical installation. With <1,000 µs response time and consistent signal behavior, it supports continuous and repeatable automation processes.
The GRTE18S-N1142V from Sick features stainless steel V4A housing, IP67 enclosure rating, and a 4-wire cable connection for dependable integration. Sick manufacturing ensures long-term reliability, electrical stability, and consistent sensing performance in demanding industrial environments.

