苏一光激光电子经纬仪DT402L/LT402L 苏州一光角度测量仪器
产品概述
苏一光激光电子经纬仪DT402L/LT402L系列是苏州一光仪器有限公司研发的高精度工程测量设备，专为复杂环境下的角度坐标测量和定向准直设计。该系列产品采用绝对编码测角系统，最小读数达1″，配备半导体激光发射器（波长635nm），可满足白天200米有效射程需求。仪器集成激光对点器与双面液晶显示屏，支持水平/垂直角同步显示，并具备数据自动归算功能，显著提升野外作业效率。其中DT402L为单激光型号，LT402L则升级为双激光系统，支持上下激光指向功能，适用于高层建筑、大型管道铺设等需要天顶方向垂线测量的场景。3910
核心技术特点
仪器采用一体化激光器设计，激光功率可调节以适应不同环境光线，通过望远镜目镜可直接观测清晰激光光斑。电子补偿器可自动修正垂直轴倾斜误差（补偿范围±3′），配合30倍正像望远镜（视场角1°30′）和1米最短视距，确保近距离测量的精准性。LT402L型号独有的上激光指向功能，可在船舶制造、桥梁工程等场景中实现目视观察与激光指向同步作业。仪器标配6V镍氢电池，续航达15小时，工作温度范围-20℃至+50℃，适应多种户外环境。101121
应用场景
该系列广泛应用于重大工程项目，包括：大型船舶制造中的机件变形监测、水坝坝体位移测量、隧道与井巷工程的轴线校准、港口桥梁施工控制，以及飞机机架安装等高端工业领域。在建筑领域，特别适用于超高层钢结构垂直度控制、幕墙安装定位等需要高精度角度基准的作业。仪器153×175×328mm的紧凑机身和4kg重量（含电池）设计，兼顾了便携性与稳定性。31222
Introduction in English
The FOIF DT402L/LT402L Series Laser Electronic Theodolite, developed by Suzhou FOIF Co., Ltd., is a professional surveying instrument designed for high-precision angle measurement and alignment tasks. Featuring an absolute encoding system with 1″ minimum reading, the device incorporates a 635nm semiconductor laser emitter (effective range 200m in daylight) and dual-axis electronic compensator (±3′ range). The LT402L model s unique dual-laser system provides both upward and downward pointing capabilities, enabling vertical plumb line measurements for skyscrapers, tower installations, and other zenith-referenced applications. 61015
Technical Highlights
Equipped with a 30× magnification erect-image telescope (1°30′ field of view) and laser spot visible through the eyepiece, the instrument allows simultaneous optical observation and laser guidance. The modular design includes adjustable laser intensity, RS-232C data interface, and lightweight magnesium alloy construction (4kg). Standard configuration includes laser plummet (80m range, 0.5m minimum focus), while the LT402L adds upper laser pointing with ≤5″ alignment accuracy. Operable from -20℃ to +50℃ with 15-hour battery life, it meets demanding field conditions. 111317
Industrial Applications
Ideal for large-scale engineering projects such as shipbuilding deformation monitoring, dam displacement measurement, pipeline laying, and bridge construction control. Its precision proves critical in aerospace applications like aircraft frame assembly, as well as urban infrastructure projects including subway tunneling and high-rise steel structure verticality verification. The compact design (153×175×328mm) with shock-resistant casing ensures reliable performance in harsh environments. 92023
苏一光激光电子经纬仪DT402L/LT402L 苏州一光角度测量仪器
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