Product Description
Keyence SR-751
The Keyence SR-751 is a high-performance, compact 2D code reader designed for stable and reliable reading in demanding industrial applications. It features a 1.3-megapixel CMOS sensor and advanced algorithms that allow it to accurately decode a wide range of 1D and 2D codes, even those that are poorly printed, low-contrast, or on challenging surfaces. With its built-in lighting, auto-tuning capabilities, and robust IP65-rated housing, the SR-751 ensures easy integration and consistent performance in factory automation, logistics, and traceability systems. Its integrated communication options, including Ethernet and RS-232C, provide flexible connectivity for modern manufacturing environments.
Technical Specifications:
- Sensor Type: 1.3 megapixel monochrome CMOS image sensor
- Readable 2D Codes: QR, MicroQR, DataMatrix (ECC200), PDF417, MicroPDF417, GS1 Composite
- Readable 1D Codes: CODE39, ITF, NW-7 (Codabar), CODE128, GS1-128, GS1 DataBar, JAN/EAN/UPC
- Communication Interface: RS-232C, Ethernet (100BASE-TX) supporting TCP/IP, FTP, EtherNet/IP®, and PROFINET®
- Light Source: High-intensity red LED
- Enclosure Rating: IP65

Keyence SR-751
The Keyence SR-751 is a compact and powerful 1D/2D barcode reader with a 1.3MP sensor, offering stable and high-speed code reading for industrial automation. Features Ethernet and RS-232C connectivity.










