尼康NA730系列水准仪产品介绍（中英双语）
【中文部分】
尼康NA730系列水准仪是一款专为工程测量领域设计的高性能光学仪器，适用于建筑施工、道路勘测、土地平整等多种场景。该产品凭借稳定的测量精度和人性化操作体验，为专业测量人员提供可靠的数据支持。
在光学性能方面，NA730系列采用多层镀膜物镜系统，有效提升透光率至92%以上，确保在强光逆光环境下仍能保持清晰视野。30倍放大倍率配合42mm大口径物镜，可在100米距离范围内实现精准读数。分划板采用高对比度刻划工艺，特有的水平气泡灵敏度达到10 /2mm，显著提升调平效率。
设备结构采用全密封防尘设计，内部充填干燥氮气，有效防止水汽凝结。金属与工程塑料复合机身经过抗冲击测试，可在-20℃至+50℃环境中稳定工作。符合人体工学的水平微调旋钮，配合阻尼适中的调焦手轮，使单手操作更加流畅。内置可拆卸式太阳滤光镜，有效应对强烈日照条件下的观测需求。
该系列产品特别注重使用细节优化：360度全向水平度盘便于快速定位，三脚架连接机构采用快装设计，转换工作点位效率提升40%。标配可更换式锂电池组支持连续工作30小时，兼容通用USB充电接口。防滑橡胶握把与目镜屈光度调节环的协同设计，兼顾不同使用者的操作习惯。
【English Part】
The Nikon NA730 Series Level is a high-performance optical instrument designed for engineering measurement applications, including construction projects, road surveying, and land grading. With its reliable measurement accuracy and user-friendly design, this instrument provides dependable data support for professional surveyors.
Featuring multi-coated objective lens system, the NA730 series achieves over 92% light transmittance, ensuring clear visibility even under strong backlight conditions. The 30x magnification combined with a 42mm large-aperture objective lens enables precise reading within 100 meters. The high-contrast reticle and sensitive leveling bubble (10 /2mm) significantly improve leveling efficiency.
Constructed with fully sealed dust-proof housing filled with dry nitrogen, the instrument effectively prevents internal condensation. The metal-reinforced composite body has passed impact resistance tests, maintaining stable performance in temperatures ranging from -20℃ to +50℃. Ergonomic leveling screws and optimally damped focusing wheel allow smooth one-handed operation. The detachable solar filter ensures comfortable observation under intense sunlight.
This series emphasizes operational refinement: The 360-degree horizontal circle enables rapid positioning, while the quick-release tripod adapter improves site relocation efficiency by 40%. The replaceable lithium battery supports 30 hours of continuous operation, compatible with universal USB charging ports. Non-slip rubber grips and adjustable eyepiece diopter cater to various user preferences.
With optimized weight distribution (1.8kg body weight) and compact storage case design, the NA730 series achieves an ideal balance between portability and functionality. Its broad application scope covers building layout, slope measurement, and infrastructure maintenance, delivering professional-grade measurement solutions for field operations.
