Luminescence sensor

Luminescence sensors, also known as UV sensors or fluorescent sensors, are specialized photoelectric devices designed to detect the presence of luminescent markers, coatings, or materials that emit light when exposed to ultraviolet (UV) or visible light. These sensors operate by emitting a pulsed UV or blue light and measuring the reflected luminescent signal, filtering out ambient light interference. Key technical parameters include detection range (typically 10-200 mm), response time (often below 1 ms), light source wavelength (e.g., 365 nm or 405 nm UV LEDs), and output types such as PNP/NPN, analog, or IO-Link. They are available in cylindrical (M12, M18) or rectangular housings with IP67 or IP69K protection ratings, ensuring reliability in harsh industrial environments.

These sensors are critical in applications requiring high-contrast detection of invisible or low-visibility marks. Common sectors include packaging (detecting glue seams, labels, or tamper-evident seals), printing (register marks on transparent films), automotive (verifying adhesive application on windshields or gaskets), and pharmaceutical (checking batch codes or security features on blister packs). They are also used in woodworking for detecting UV-cured coatings and in textile manufacturing for identifying fluorescent threads. Their ability to detect transparent or colored materials without physical contact makes them ideal for automated quality control and sorting systems.

Subcategories within this category include standard luminescence sensors, high-speed models for fast-moving lines, and sensors with integrated IO-Link for smart factory integration. Key article codes often follow a pattern like "LUM-12-365-PNP" or "LUM-18-405-NPN", where the first number indicates housing diameter (12 mm or 18 mm), the second number denotes wavelength (365 nm or 405 nm), and the suffix specifies output type. Other variants include sensors with adjustable sensitivity, background suppression, or analog outputs (0-10 V or 4-20 mA). Accessories like mounting brackets, reflectors, and UV-blocking filters are also available to optimize performance.

At Electric Automation Network, we offer a comprehensive range of luminescence sensors from leading manufacturers, with real-time pricing and stock availability. Our engineering team provides personalized technical support to help you select the right sensor for your application, including guidance on wavelength selection, mounting, and integration. We ensure express worldwide shipping, with most orders dispatched within 24 hours. Documentation, including datasheets and wiring diagrams, is available for each article to facilitate seamless installation.