DJD2Z系列自准直电子经纬仪是一款高性能的测量仪器，具有多项显著特点。其最短视距仅为0.5米，这使得它在狭小空间内的测量工作变得轻松自如，无论是机床导轨的直线度检测，还是精密平面度的测量，都能轻松应对。该仪器采用绝对编码测角技术，确保了测量结果的高精度和稳定性，精度可达2″。此外，它还配备了双面LCD液晶显示器，操作界面友好，读数清晰。其自准直功能也十分出色，自准直距离可达50米，且采用绿色LED灯照明十字分划线，操作起来更加舒适便捷。同时，该仪器还具备双向通讯功能，用户可以在PC机上进行编程控制，大大提高了工作效率。总的来说，DJD2Z系列自准直电子经纬仪凭借其高精度、稳定性以及便捷的操作性，成为了工业、计量、建筑施工等领域中不可或缺的测量工具。

The DJD2Z series autocollimating electronic theodolite is a high-performance measuring instrument with many significant features. Its shortest viewing distance is only 0.5 meters, which makes it easy to handle measurement tasks in confined spaces. Whether it is the straightness detection of machine tool guideways or the measurement of precision planeness, it can be easily managed. The instrument uses absolute encoding angle measurement technology, ensuring high precision and stability of the measurement results, with a precision of 2″. In addition, it is equipped with a dual-sided LCD liquid crystal display, which has a user-friendly interface and clear readings. The autocollimation function of the instrument is also outstanding, with an autocollimation distance of up to 50 meters, and the crosshairs are illuminated with green LED lights, making operation more comfortable and convenient. At the same time, the instrument also has bidirectional communication functions, and users can program and control it on a PC, greatly improving work efficiency. In summary, the DJD2Z series autocollimating electronic theodolite, with its high precision, stability, and convenient operability, has become an indispensable measuring tool in fields such as industry, metrology, and construction.