| 仪器型号 |
DS20 |
DS24 |
DS28 |
DS32 |
| 每公里往返测量标准偏差 |
±2.5mm |
±2.0mm |
±1.5mm |
±1.0mm |
|
放大倍率
|
20× |
24× |
28× |
32× |
|
物镜口径
|
36mm |
36mm |
40mm |
40mm |
|
视场角
|
1º20´ |
1º20´ |
1º20´ |
1º20´ |
|
最短视距
|
0.3m
|
0.3m |
0.3m |
0.3m |
| 视距乘常数 |
100 |
100 |
100 |
100 |
| 视距加常数 |
0 |
0 |
0 |
0 |
| 防水 |
是 |
是 |
是 |
是 |
| 工作范围 |
±15´ |
±15´ |
±15´ |
±15´ |
| 安平精度 |
±0.5" |
±0.5" |
±0.4" |
±0.3" |
| 圆水泡精度 |
8´/2mm |
8´/2mm |
8´/2mm |
8´/2mm |
| 度盘分度值 |
1º |
1º |
1º |
1º |
| 仪器净重 |
1.8kg |
1.8kg |
1.8kg |
1.8kg |
| 三脚架连接尺寸 |
M16or5/8" |
M16or5/8" |
M16or5/8" |
M16or5/8" |
| 仪器箱尺寸 |
30*20*20cm |
30*20*20cm |
30*20*20cm |
30*20*20cm |
|
|
|
|
|
