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In the demanding world of industrial automation, reliability and precision are not just preferences; they are absolute necessities. The MLV41-8-H-350-RT/25/115/136 photoelectric switch stands as a testament to engineering excellence, designed to meet the rigorous challenges of modern production lines, packaging systems, and material handling applications. This device is far more than a simple sensor; it is a sophisticated component engineered for environments where consistent performance under variable conditions is critical.
The core of the MLV41-8-H-350-RT/25/115/136 is its advanced through-beam sensing principle. This model operates with a separate transmitter and receiver unit. The transmitter emits a focused beam of infrared light, which is then captured by the opposing receiver. An object is detected when it interrupts this beam. This method offers significant advantages, including a very long sensing range—up to several meters in clear conditions—and exceptional reliability. Unlike diffuse sensors, which can be affected by the color or reflectivity of the target, the through-beam design provides a stable and consistent detection signal, making it ideal for counting transparent bottles, detecting small components on high-speed conveyors, or ensuring precise positioning in assembly stations.
Decoding the model number reveals its tailored configuration. The 'MLV41' series indicates a robust, cylindrical housing designed for industrial durability. The '8' often refers to a specific thread size for easy mounting. The 'H' signifies a particular housing material or connection type, ensuring compatibility with various industrial settings. Crucially, '350' denotes the operating voltage range, typically covering a wide spectrum from 10-30V DC, offering flexibility in power supply integration. The 'RT' is key, indicating a reverse polarity protected and short-circuit protected DC version, safeguarding the sensor and the control system from wiring errors and electrical faults. Finally, '/25/115/136' specifies the precise characteristics of the light beam and output, often relating to light-on/dark-on operation, output type (like NPN or PNP), and connection specifics, allowing for seamless integration into diverse control architectures, particularly those using Programmable Logic Controllers (PLCs).
The application scope for this photoelectric sensor is vast. In logistics and warehousing, it ensures accurate parcel sorting and palletizing by detecting the presence of boxes on conveyor belts. Within the automotive industry, it plays a vital role in robotic guidance systems and part verification during assembly. For food and beverage producers, its ability to reliably detect glass or plastic containers, regardless of label color or liquid content, is indispensable for filling and capping machines. Its robust construction, often featuring an IP67 rating, means it is resistant to dust ingress and can withstand temporary immersion in water, allowing it to perform in washdown areas or outdoor settings.
Installation and alignment are straightforward due to its precise beam and, often, integrated alignment aids like visible red light or a precise alignment spot. Maintenance requirements are minimal, primarily involving keeping the lens clean from obstructions like dust, oil, or debris to ensure optimal light transmission. The built-in protection features, such as reverse polarity and overload protection, significantly reduce downtime caused by accidental electrical issues.
When selecting a photoelectric switch for a critical application, factors like sensing range, environmental resistance, response time, and output configuration are paramount. The MLV41-8-H-350-RT/25/115/136 is engineered with these factors in mind. It delivers fast response times for high-speed production, unwavering accuracy for quality control, and rugged resilience for harsh environments. For system integrators and plant engineers seeking a dependable, high-performance detection solution, this sensor model represents a strategic investment in operational efficiency and production continuity. It is a component that works silently in the background, yet its role in enabling smooth, automated, and error-free processes is fundamentally irreplaceable.
