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elescope----------------------------------------------------------
Image Erect
Magnification ３０×
Effective aperture ４５ｍｍ (EDM 48ｍｍ)
Resolving power ４″
Field of view １°３０′
Minimum focus １ｍ
Stadia ratio １００
Sight distance precision ≤０．４％Ｄ
Tube length 154ｍｍ
Angle Measurement ------------------------------------------
Measuring method Photoelectric detection by incremental encoder
Dia of circle (vertical, horizontal) 79ｍｍ
Minimum reading １″／５″Selectable
Detection method Horizontal： Dual
Vertical ：Dual
Measuring unit 360°／400gon／6400mil Selectable
Vertical angle０° Zenith０°／Horizontal０°Selectable
Accuracy NTS-352R：２″
NTS-355R：５″
Vial ----------------------------------------------------------
Plate vial 30″／2ｍｍ
Circular vial 8′／2ｍｍ
Vertical Compensator----------------------------------------------------
System Liquid-electric detection/plate vial
Compensation range ±３′
Resolving power １″
Optical Plummet------------------------------------------------
Image Erect
Magnification 3×
Focusing range 0.5ｍ～∝
Field of view ５°
Display ---------------------------------------------------------------
Type LCD，Four lines，digital
Data Communication---------------------------------------------
Port ＲＳ－２３２Ｃ
On-board Battery-----------------------------------------------
Power resource Rechargeable Ni-H battery
Voltage DC６Ｖ
Type of battery NB－20B Battery
NB—20C Battery (Selectable)
Continuous operation time 8hrs(small battery)
10hrs(big battery)
Operation Environment ----------------------------------------------
Operating temperature －20°～＋50℃
Size & weight ------------------------------------------------
Dimension 160×150×330ｍｍ
Weight (Exclude Battery) 5.2ｋｇ
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