The SICK GRTE18-N2442 Photoelectric Sensor is a high-performance cylindrical sensor designed for precise object detection in industrial automation applications. With its ultra-long sensing range, compact design, and robust construction, it is ideal for use in conveyor systems, packaging lines, robotics, and material handling systems.

Sensing Range and Light Source

This sensor utilizes a visible red LED light source with a wavelength of 650 nm, providing a sensing range from 5 mm to 550 mm. The PinPoint LED technology ensures a bright and highly visible light spot, facilitating accurate alignment and detection. The light spot size at a distance of 400 mm is approximately Ø9 mm, allowing for precise detection of small objects.

Housing and Mounting

Encased in a cylindrical M18 housing with an M18 x 1 thread diameter, the GRTE18-N2442 sensor is designed for easy integration into various mounting configurations. The fully flush axial optical axis allows for unobstructed passage of objects, making it suitable for applications where space is limited or where objects need to pass without interference.

Electrical and Output Specifications

The sensor operates within a supply voltage range of 10 V DC to 30 V DC and features an NPN switching output with light switching mode. It has a maximum output current of 100 mA and a response time of less than 1,000 µs, ensuring fast and reliable detection. The sensor is equipped with a 4-pin male M12 connector, facilitating flexible installation.

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Status Indicators and Adjustment

To enhance user experience, the GRTE18-N2442 sensor includes green and yellow LED indicators. The green LED serves as an operating indicator, remaining static when power is on, while the yellow LED indicates the status of the received light beam, turning static on when an object is present and static off when no object is detected. The sensing threshold can be adjusted using a 270° potentiometer, allowing for fine-tuning to meet specific application requirements.

Durability and Environmental Protection

Built to withstand harsh industrial environments, the sensor features a housing made of nickel-plated brass and ABS, offering durability and resistance to mechanical stress. With an IP67 protection class, the GRTE18-N2442 is resistant to dust and water ingress, ensuring reliable performance even in challenging conditions. The sensor operates effectively within an ambient temperature range of –25 °C to +55 °C, making it suitable for a wide range of industrial applications.

Certifications and Compliance

The GRTE18-N2442 sensor complies with various international standards, including EU and UK declarations of conformity, ACMA, Moroccan RoHS, ECOLAB, and cULus certifications. These certifications attest to the sensor’s quality, safety, and environmental compliance, ensuring it meets the stringent requirements of global industrial applications.