儀器型號MODEL

DT-2

DT-2(帶激光)

DT-5

DT-10

望遠鏡Telescope

鏡筒長度Length of  Telescope

157mm

157mm

157mm

157mm

成像Image

正像(Erect)

正像Erect

正像Erect

正像Erect

物鏡口徑Objective Lens Aperture

45mm

45mm

45mm

45mm

放大倍率Magnification

30×

30×

30×

30×

視場角Field of View

1°30′

1°30′

1°30′

1°30′

分辨率Resloving Power

3.5″

3.5″

3.5″

3.5″

最短視距Shortest sighting Distance

1.4m

1.4m

1.4m

1.4m

視距乘常數(shù)Stadia Ratio

100

100

100

100

視距加常數(shù)Stadia Constant

0

0

0

0

測角部分Angle Measurement

測量方式Method

絕對編碼式absolutelyencode

讀數(shù)方式Detecting

水平度盤Horizontal: 對徑double

豎直度盤Vertical: 單面Single

最小讀數(shù)Minimum Reading

1″

1″

1″

5″

精度Accuracy

2″

2″

5″

10″

度盤直徑Diameter of circle            

79mm

補償器Compenstor

傾斜傳感器Tilt Sensor

單軸Single

單軸Single

-

-

補償范圍Range

±3′

±3′

-

-

補償精度Accuracy

3″

3″

-

-

光學對點器Optical Plummet

成像Image

正像Erect

放大率Magnification

3×

調(diào)焦范圍Focus Range

0.5~∞

視場角Field of View

5°

通訊口Output Interface

通訊標準Output Standard

RS232C

數(shù)據(jù)輸出接口Data Output Interface

可選selective

水準器Level Sensitivity

長水準器精度Sensitivity of Long Vial

30″/2mm

圓水準器精度Sensitivity of Bubble

8″/2mm

電源Power

電池Battery

Ni-H充電電池Rechargable

工作時間Working Time

約25小時About 25 hours

其它Others

工作溫度Operating Temp

-20°C~+50°C

儀器尺寸Instrument Dimension

165×155×320

儀器重量Instrument Weight

4.5kg