經(jīng)緯儀系列
| 儀器型號(hào)MODEL | DT-2 | DT-2(帶激光) | DT-5 | DT-10 | |||||
| 望遠(yuǎn)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 | 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(bǔ)償器Compenstor | |||||||||
| 傾斜傳感器Tilt Sensor | 單軸Single | 單軸Single | - | - | |||||
| 補(bǔ)償范圍Range | ±3′ | ±3′ | - | - | |||||
| 補(bǔ)償精度Accuracy | 3″ | 3″ | - | - | |||||
| 光學(xué)對點(diǎn)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(biāo)準(zhǔn)Output Standard | RS232C | ||||||||
| 數(shù)據(jù)輸出接口Data Output Interface | 可選selective | ||||||||
| 水準(zhǔn)器Level Sensitivity | |||||||||
| 長水準(zhǔn)器精度Sensitivity of Long Vial | 30″/2mm | ||||||||
| 圓水準(zhǔn)器精度Sensitivity of Bubble | 8″/2mm | ||||||||
| 電源Power | |||||||||
| 電池Battery | Ni-H充電電池Rechargable | ||||||||
| 工作時(shí)間Working Time | 約25小時(shí)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 | ||||||||
