光學經緯儀J2-1-J2-2經緯儀
產品概述
光學經緯儀J2-1和J2-2是兩款高精度測角儀器，廣泛應用于工程測量、大地測量及工業領域。其設計采用全鋼結構，具備防塵防水性能，適合復雜環境下的長時間作業。J2系列儀器配備磁阻尼補償器，有效避免了傳統空氣阻尼易卡死的問題，同時通過雙保險裝置保護補償器吊絲，提升了儀器的穩定性和耐用性。
English Overview
The J2-1 and J2-2 optical theodolites are high-precision angle-measuring instruments designed for engineering, geodetic, and industrial applications. Featuring an all-steel construction with dustproof and waterproof capabilities, these instruments are built to withstand demanding field conditions. The J2 series incorporates magnetic damping compensators, eliminating issues like cylinder jamming common in air-damped systems, while dual safety mechanisms protect the pendulum wires from damage caused by shocks or vibrations.
技術特點
J2-2型號的一測回水平方向標準偏差為±2″，垂直角測量標準偏差為±6″，望遠鏡采用正像設計，通光口徑φ40mm，放大倍率30倍，最短視距2米。儀器配備自動歸零補償器，補償精度±0.3″，范圍±3′，簡化了垂直角測量流程。此外，一體化支架兼容多種紅外測距儀，擴展了功能應用場景。
Technical Features
The J2-2 model achieves a horizontal direction standard deviation of ±2″ per set and a vertical angle measurement deviation of ±6″. Its telescope features erect imaging with a 40mm objective aperture and 30x magnification, offering a minimum focusing distance of 2 meters. The automatic vertical index compensator (±0.3″ accuracy, ±3′ range) streamlines vertical angle measurements. The widened支架 supports integration with Leica, Sokkia, and other infrared rangefinders for enhanced versatility.
應用領域
適用于三角及導線測量、隧道施工、地籍測繪、大型機械安裝等高精度作業。在橋梁、礦山、水利工程中表現優異，也可用于天文觀測等科研領域。
Applications
Ideal for triangulation, traverse surveys, tunnel construction, cadastral mapping, and precision machinery alignment, these theodolites excel in bridge, mining, and hydraulic projects. They also serve astronomical observations and other scientific research.
結構設計
望遠鏡采用雙膠合物鏡與對稱目鏡，成像清晰明亮；豎軸系為半運動式結構，兼具低摩擦和耐磨性；讀數系統采用對徑符合數字顯示，結合移動光楔測微技術，提升數據可靠性。
Structural Design
The telescope combines cemented-objective lenses with symmetrical eyepieces for bright, sharp images. A semi-kinematic豎軸系 reduces friction and wear, while the diametrical coincidence reading system with moving optical wedge micrometers ensures data accuracy.
使用便捷性
支持垂球或光學對點器置中，整平流程簡化。補償器輔助整平功能可將誤差控制在±1″~2″內，適合陡峭視線測量。
User-Friendly Features
Centering via plumb bob or optical plummet, along with streamlined leveling procedures, enhances efficiency. The compensator-assisted leveling minimizes errors to ±1″~2″, ideal for steep-angle measurements.
引用來源：12346111723
光學經緯儀J2-1-J2-2經緯儀
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