DS系列
规格/型号 | DS20XX | DS24XX | DS28XX | DS30XX | DS32XX | DSZ3 | |
每公里往返标准偏差 | 2.5mm | 2.0mm | 1.5mm | 1.5mm | 1.0mm | 1.5mm | |
Standard Deviation for 1km Double-run levelling | |||||||
望远镜呈像 | 正像 | 正像 | 正像 | 正像 | 正像 | 正像 | |
Telescope image | Erect | Erect | Erect | Erect | Erect | Erect | |
倍率 | 20X | 24X | 28X | 30X | 32X | 30X | |
Magnification | |||||||
物镜口径 | 30mm | 36mm | 40mm | 40mm | 40mm | 40mm | |
Clear Objective Aperture | |||||||
视场角 | 1°20′ | 1°20′ | 1°20′ | 1°20′ | 1°20′ | 1°20′ | |
Filed of View | |||||||
最短视距 | 0.6m | 0.6m | 0.6m | 0.6m | 0.6m | 0.6m | |
Shortest Focusing Distance | |||||||
视距乘常数 | 100 | 100 | 100 | 100 | 100 | 100 | |
Stadia Multiplying Constant | |||||||
视距加常数 | 0 | 0 | 0 | 0 | 0 | 0 | |
Stadia Additive Constant | |||||||
圆水准泡精度 | 8′/2mm | 8′/2mm | 8′/2mm | 8′/2mm | 8′/2mm | 8′/2mm | |
Sensitivity of Circular Level | |||||||
度盘分度值 | 1° or 1gon | 1° or 1gon | 1° or 1gon | 1° or 1gon | 1° or 1gon | 1° or 1gon | |
Graduation Interval of Circle | |||||||
补偿器类型 | X型吊丝空气阻尼 | ||||||
Compensator type | X-shaped wire suspension air-damping | ||||||
仪器工作范围 | ±15′ | ±15′ | ±15′ | ±15′ | ±15′ | ±15′ | |
Working Range | |||||||
安平精度 | ±0.5″ | ±0.5″ | ±0.4″ | ±0.3″ | ±0.3″ | ±0.3″ | |
Setting Accuracy | |||||||
与三脚架连接 | M16 or 5/8″ | M16 or 5/8″ | M16 or 5/8″ | M16 or 5/8″ | M16 or 5/8″ | M16 or 5/8″ | |
Connecting size to tripod | |||||||
