The ACA1920-48GM represents a specialized tool in Basler’s lineup. By utilizing a monochrome sensor, it achieves higher light sensitivity and spatial resolution compared to its color counterparts. The absence of a color filter array (CFA) means each pixel receives full light intensity, resulting in superior signal-to-noise ratio and sharper images for measurement applications.
Delving into the specifications, the ACA1920-48GM features a monochrome CMOS sensor with true 2.3 megapixel resolution. The global shutter technology operating at 50 fps provides exceptional performance for high-speed applications, while the GigE interface ensures reliable data transmission over long distances typical in factory environments.
ความละเอียด (Resolution): 1920 x 1200 พิกเซล (2.3 MP)
The monochrome configuration provides distinct advantages for specific vision tasks. Edge detection algorithms perform more reliably on grayscale images, and optical character recognition (OCR) systems achieve higher accuracy rates. The increased sensitivity allows for either faster shutter speeds or the use of less intense machine vision lighting, potentially reducing system costs.
When compared to Hikrobot’s monochrome offerings in the 2/3″ sensor category, the ACA1920-48GM often demonstrates better image consistency and lower noise levels, particularly in challenging lighting conditions. Basler’s rigorous quality control and calibration processes result in cameras with minimal pixel defects and excellent linearity – critical factors for precision measurement applications.
Versus IDS monochrome cameras, the ACA1920-48GM’s advantage extends to its industrial ecosystem. The availability of compatible GigE cables and accessories, along with Basler’s global technical support network, provides added value for system integrators. For high-volume production environments, this ecosystem support can significantly reduce total cost of ownership through minimized downtime and faster troubleshooting.
The ACA1920-48GM excels in applications requiring high precision and repeatability. In semiconductor manufacturing, it performs critical tasks like wafer alignment, die inspection, and wire bond verification. The monochrome sensor’s superior contrast resolution enables detection of minute defects and precise edge localization that might be missed by color cameras.
Another key application is in robotics and automated guided vehicles (AGVs). The 50 fps frame rate provides responsive feedback for dynamic control systems, while the global shutter ensures accurate positional data of moving objects. For barcode and 2D code reading, monochrome cameras typically achieve higher read rates and better performance on challenging surfaces like reflective metals.
For optimal performance with the ACA1920-48GM, selection of appropriate lenses is critical. High-quality lenses designed specifically for 2/3″ sensors will maximize resolution and minimize optical distortions. Telecentric lenses are particularly recommended for metrology applications as they provide consistent magnification regardless of object distance, eliminating perspective errors.
The GigE interface requires proper network infrastructure. Industrial-grade Ethernet switches with PoE+ capability simplify installation by delivering both power and data through a single cable. For multi-camera setups, managed switches with QoS features help prioritize vision data to prevent packet loss during peak transmission periods.
The ACA1920-48GM represents an optimal balance of performance, reliability, and value in the monochrome machine vision camera segment. Its technical specifications are carefully chosen to address the most demanding industrial applications while maintaining the ruggedness and support infrastructure that Basler is known for worldwide.
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