กล้อง **DMK33GX290** เป็นกล้อง Machine Vision ขาวดำที่มีความละเอียดถึง 2.1 เมกะพิกเซล (1920 x 1080 พิกเซล) บนเซ็นเซอร์ CMOS ขนาด 1/2.8 นิ้ว ความละเอียดระดับ Full HD นี้ให้รายละเอียดภาพที่สูงมาก เหมาะสำหรับงานที่ต้องการวิเคราะห์ลักษณะพื้นผิว การวัดขนาดที่ละเอียด หรือการอ่านโค้ดขนาดเล็ก กล้องใช้เทคโนโลยี Rolling Shutter และให้เฟรมเรตสูงสุด 56 เฟรมต่อวินาที การเชื่อมต่อผ่าน GigE ช่วยให้สามารถส่งข้อมูลภาพปริมาณมากได้อย่างมีประสิทธิภาพ
The **DMK33GX290** features a 1/2.8-inch monochrome CMOS sensor with 2.1 megapixels of resolution. This resolution represents a significant step up from common 1.3MP or 1.6MP models, providing much finer image detail. The camera utilizes a rolling shutter mechanism, which is a cost-effective design choice for achieving higher resolutions and good image quality in static or slow-moving scenarios. With a maximum frame rate of 56 fps and a GigE interface, it is designed for applications where high detail is prioritized over ultra-high-speed capture of fast-moving objects.
The 2.1MP resolution of the **DMK33GX290** dramatically increases the amount of information available per image. For optical character recognition (OCR), it allows reading of smaller or more densely packed text. For surface inspection, it enables the detection of finer scratches, pits, or texture variations. In metrology, it improves measurement accuracy and repeatability by providing more data points along edges. This high resolution effectively future-proofs an inspection system, allowing it to handle more demanding tasks that may arise later.
The rolling shutter in the **DMK33GX290** is a key factor in its cost and performance profile. While it can introduce artifacts with fast motion, it offers excellent image quality, high sensitivity, and a more straightforward sensor design compared to global shutter at this resolution. For the vast majority of machine vision applications involving stationary objects, slowly moving conveyors, or controlled motion (like stages in microscopy), the rolling shutter of the **DMK33GX290** poses no issue and delivers crisp, detailed monochrome images.
The **DMK33GX290** excels in high-precision, detail-oriented applications where motion is minimal or controlled. It is an excellent choice for electronics inspection (PCB, components), precision assembly verification, document scanning, scientific imaging, and quality control of static or slowly indexed products. Applications to avoid are those involving very fast linear motion (e.g., bottling lines at extreme speeds), high-speed rotating objects, or any scenario where the camera or subject vibrates significantly during exposure, as these will cause noticeable distortion with the rolling shutter.
At 56 fps, the **DMK33GX290** provides a responsive imaging capability for many automated processes. This frame rate allows for comfortable inspection of items moving at speeds typical of many assembly and packaging lines. It also means that the camera can capture multiple images in quick succession, which can be useful for techniques like focus stacking in microscopy or for capturing a sequence to ensure at least one perfectly timed image is obtained. The GigE interface is well-suited to handling this data rate continuously and reliably.
The GigE Vision standard is an ideal match for the **DMK33GX290**. It efficiently manages the substantial data stream generated by the 2.1MP sensor at 56 fps. The use of standard network infrastructure (switches, cables) significantly reduces system complexity and cost compared to specialized frame grabbers or other interfaces. For system integrators, this means the **DMK33GX290** can be easily added to an existing machine vision network or used as the foundation for a new multi-camera system without requiring exotic hardware.
The **DMK33GX290** positions itself as a cost-effective high-resolution solution. While competitors like IDS or Basler might offer 2MP models with global shutters or higher frame rates, they typically come at a premium. The **DMK33GX290** provides the core value of high resolution for detail-critical applications where global shutter is not a strict requirement. Against value brands, it offers the assurance of a mature product from an established industrial imaging company, which can mean less integration risk and better long-term support.
Integrating the **DMK33GX290** requires attention to optical quality. A lens with high modulation transfer function (MTF) performance is necessary to resolve the fine details the sensor can capture. A standard or low-quality lens will become the limiting factor, wasting the camera’s resolution potential. Lighting must be bright and uniform to achieve good exposure without excessive gain, which would increase noise. Stable LED lighting is highly recommended. For PC hardware, a capable processor and a network interface that supports Jumbo Frames will ensure smooth data handling.
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