Sick GRTE18S-P1342 Photoelectric Sensor
Sick GRTE18S-P1342 photoelectric sensor delivers energetic proximity detection with 400 mm range, PNP output, and 9 mm light spot. This Sick 9 mm Light Spot Photoelectric Sensor operates using visible red PinPoint LED at 650 nm wavelength, supports 10–30 V DC supply, and features light switching via potentiometer adjustment. It is part of Sick sensing solutions, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTE18S-P1342 |
Sick GRTE18S-P1342 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 |
| 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 | PNP |
| Switching mode | Light switching |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 1,000 µs 4) |
| Switching frequency | 500 Hz 5) |
| Connection type | Cable, 3-wire, 2 m 6) |
| 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 10) |
| Ambient temperature, storage | –30 °C ... +75 °C |
The GRTE18S-P1342 Sick 9 mm Light Spot Photoelectric Sensor is an energetic proximity sensor designed for accurate short-to-medium range detection. The GRTE18S-P1342 Sick 9 mm Light Spot Photoelectric Sensor supports a 10–400 mm sensing range, stable PNP switching output, and controlled 30 mA current consumption. It belongs to the GR Series and is used across compact industrial automation installations requiring precise object detection.
This sensor is applied in conveyors, packaging equipment, assembly stations, and automated handling systems. Energetic sensing enables reliable detection of objects with varying surface properties. With a <1,000 µs response time and 500 Hz switching frequency, it maintains consistent signal output in standard-speed industrial processes.
The GRTE18S-P1342 from Sick is engineered for dependable operation in industrial environments. Its metal housing, IP67 enclosure rating, and supplied fastening nuts ensure secure installation and durability. As part of the GR Series, the GRTE18S-P1342 aligns with Sick quality standards and remains suitable for continuous use in industrial automation systems.

