The Keyence BL-501H is a high-performance laser barcode reader developed to provide fast, accurate, and reliable code reading in industrial automation and logistics applications. Though discontinued by the manufacturer, it remains a trusted choice in facilities where precision scanning and compact installation are required. Its advanced design incorporates features that make it well-suited for both high-speed production lines and detailed barcode recognition tasks.

At the core of the BL-501H’s performance is its exceptional scanning speed of 500 scans per second, ranking among the fastest in its class. This high-frequency operation ensures that barcodes are read accurately, even in fast-moving conveyor systems or packaging lines, where delays or errors could disrupt workflow. Combined with its Class 2 laser system operating at a wavelength of 670 nm, the sensor achieves both stability and precision in challenging reading conditions.

The BL-501H is a high-resolution model, engineered to detect extremely fine bar widths down to 0.125 mm. This makes it a valuable tool in industries where miniaturized labeling, electronics, or medical packaging require precise code recognition. Whether used for small component traceability or compact product labeling, the sensor delivers accuracy that reduces read errors and ensures compliance with quality control requirements.

Its operational range of 35 to 170 mm provides versatility for integration into different setups. This working distance supports both close-range and medium-range applications, offering flexibility to engineers during system design. Additionally, the unit draws a supply of 5 VDC at 340 mA, making it compatible with common automation power setups without requiring special modifications.

The BL-501H is designed with a built-in decoder, eliminating the need for external decoding hardware. This simplifies system architecture and reduces installation costs. Despite its advanced functionality, the device maintains a compact and lightweight construction, allowing it to be mounted in confined spaces or integrated into tight production layouts without issue. Its streamlined design enables users to achieve advanced scanning capabilities without sacrificing valuable equipment space.

Industries such as manufacturing, logistics, and packaging benefit from the BL-501H’s ability to read codes at high speed with reliable accuracy. Furthermore, the raster-scan option available in the BL-501 series helps overcome damaged or partially obscured barcodes, making the system adaptable to environments where labels may be prone to wear, ink smudges, or surface irregularities.

In summary, the Keyence BL-501H Laser Barcode Reader combines speed, resolution, range, and compact efficiency to deliver exceptional performance in demanding industrial contexts. While now discontinued, its proven reliability continues to make it a valuable component in barcode-based identification systems where speed, precision, and durability are critical.