仪器型号MODEL

DT-2

DT-2(带激光)

DT-5

DT-10

望远镜Telescope

镜筒长度Length of  Telescope

157mm

157mm

157mm

157mm

成像Image

正像(Erect)

正像Erect

正像Erect

正像Erect

物镜口径Objective Lens Aperture

45mm

45mm

45mm

45mm

放大倍率Magnification

30×

30×

30×

30×

视场角Field of View

1°30′

1°30′

1°30′

1°30′

分辨率Resloving Power

3.5″

3.5″

3.5″

3.5″

最短视距Shortest sighting Distance

1.4m

1.4m

1.4m

1.4m

视距乘常数Stadia Ratio

100

100

100

100

视距加常数Stadia Constant

0

0

0

0

测角部分Angle Measurement

测量方式Method

编码式absolutelyencode

读数方式Detecting

水平度盘Horizontal: 对径double

竖直度盘Vertical: 单面Single

最小读数Minimum Reading

1″

1″

1″

5″

精度Accuracy

2″

2″

5″

10″

度盘直径Diameter of circle            

79mm

补偿器Compenstor

倾斜传感器Tilt Sensor

单轴Single

单轴Single

-

-

补偿范围Range

±3′

±3′

-

-

补偿精度Accuracy

3″

3″

-

-

光学对点器Optical Plummet

成像Image

正像Erect

放大率Magnification

3×

调焦范围Focus Range

0.5~∞

视场角Field of View

5°

通讯口Output Interface

通讯标准Output Standard

RS232C

数据输出接口Data Output Interface

可选selective

水准器Level Sensitivity

长水准器精度Sensitivity of Long Vial

30″/2mm

圆水准器精度Sensitivity of Bubble

8″/2mm

电源Power

电池Battery

Ni-H充电电池Rechargable

工作时间Working Time

约25小时About 25 hours

其它Others

工作温度Operating Temp

-20°C~+50°C

仪器尺寸Instrument Dimension

165×155×320

仪器重量Instrument Weight

4.5kg