Telescope

Image

Erect

Telescope Length

154 mm

Effective aperture

45 mm (EDM 47 mm)

Resolving power

3

Magnification 

30×

Field of view

°

Minimum focus

1.3m

Stadia Ratio

100

Stadia accuracy

0.4%D

Tube Length

152mm

Angle Measurement

Measuring method

Incremental Photoelectronic Encoding

Diameter of raster disk

79mm

    Minimum reading

1/ 5 Selectable

   Accuracy

2 

5

10

Detection method

Horizontal: Dual  Vertical: Dual

Measuring Unit

360°/400Gon/6400Mil Selectable

Vertical angle 0°

0°in zenith / 0°in horizon selectable

Accuracy

RTS-852: 2

RTS-855: 5

Distance Measurement

Single prism(under fair weather condition)

RTS-852:2.6 km

Triple prism(under fair weather condition)

RTS-852:2km

Display

Max99999999.999 m    Min : 1 mm

Unit

m

Precision

±(2+2×10^-6·D)mm

Measuring time

Fine single shot:  2S

Tracking:       0.7S

Measuring system

Basic frequency 60MHz

Meteorologic Correction

Manual input, Auto correction

Atmospheric refraction and earth curvature correction

Manual input, Auto correction, K=0.14/0.2 Selectable

Reflection prism correction

          Manual input, Auto correction

Vial

Plate vial

302 mm

Circular vial

102 mm

Vertical Compensator

System

Liquid-electric detection

Compensation range

±

Resolving power

Optical Plummet

Image

Erect

Magnification

              3×

Focusing range

0.3∝

Field of view

5°

Display

Type

Graphical LCD, four lines

Communications

Data port

RS-232C

Carried Battery

  Battery

Ni H, rechargeable NB-28

 Voltage

6V(DC)

  Operation Time

5-6 hours

Operating Temperature

-20~+45

Size & weight

160mm×150mm×340mm,5.4kg

Distance Measurement(visible laser)

Type

visible red laser

carrier wave

0.670μm

measuring system

basis 60 MHZ

EDM Type

coaxial

Display (least count)

1mm

Laser dot size

approx.7×14 / 20m (reflectorless mode only)

approx. 10×20 / 50m