宾得ETH-502电子经纬仪
宾得ETH-502电子经纬仪产品介绍（中文）
宾得ETH-502电子经纬仪是一款高精度工程测量仪器，采用双面板液晶中文显示设计，操作直观便捷。该仪器具备30倍放大倍率，有效孔径45mm，视场角1°30’，最短视距1.35米，测角精度达到2秒级，最小显示刻度可切换至1秒/5秒模式。主机集成化设计，含电池仅重4.5-4.6kg，便于野外作业携带。仪器支持盘左盘右双面测量，垂直角可自动转换为坡度百分比，水平角具备任意位置置零和锁定功能。采用Hi-MH2000mAh充电电池或碱性干电池供电，续航时间分别达20小时和25小时，并配备自动关机功能以延长使用时间。光学系统经过优化，在弱光环境下仍能保持清晰成像，望远镜调焦范围覆盖0.5米至无限远。双面16×2字符LCD显示屏可同步显示垂直角与水平角数据，支持度分秒格式切换。仪器具备JIS4级防水性能，横水准气泡精度30"/2mm，圆气泡精度8 /2mm，适用于建筑安装、道路桥梁、矿山测绘等多种工程场景。136
Pentax ETH-502 Electronic Theodolite Product Introduction (English)
The Pentax ETH-502 Electronic Theodolite is a precision engineering instrument featuring dual-panel LCD displays with Chinese/English interface. With 30x magnification and 45mm effective aperture, it provides a 1°30 field of view and 1.35m minimum focusing distance, achieving 2-second angle measurement accuracy with 1-second/5-second display resolution options. The compact main unit weighs only 4.5-4.6kg including battery, optimized for field operations. It supports face-left/face-right measurements with vertical angle conversion to slope percentage, and offers horizontal angle zero-setting at any position plus locking function. Powered by 2000mAh Hi-MH rechargeable battery (20-hour runtime) or alkaline batteries (25-hour runtime), it includes auto power-off function for energy efficiency. The enhanced optical system ensures clear imaging in low-light conditions, with telescope focusing range from 0.5m to infinity. Dual 16×2 character LCD screens simultaneously display vertical/horizontal angles in DEG/MIN/SEC format. Featuring JIS4 waterproof rating, 30"/2mm lateral level bubble and 8 /2mm circular bubble, it s widely used in construction alignment, bridge monitoring, mining survey and other technical applications. The instrument combines operational simplicity with reliable performance for professional measurement tasks.41419
宾得ETH-502电子经纬仪
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