Distance measurement

Max distance (in good weather)

Singles prism

3.0Km

Three prisms

5.0Km

No-prism

400m

Digital display

Max:99999999.9999 m,Min.: 0.1mm

Precision

No-prism5+3ppm,have-prism 2+2ppm

Unit

m/ft for selection

Time for measuring

Single fine measurement 2 sec. tracking 0.8 sec

Number of measurements

1~ 99

Meteorologic correction

Automatic correction of input parameter

Atmospheric refraction and earth curvature correction

Automatic correction of input parameter, K=0.14

Prism constant correction

Automatic correction of input parameter

Angle measurement

Angle measurement method

Absolute code

Grating disc dia. (horizontal, vertical)

79mm

Min. reading displayed

1″

Detection method

Horizontal circle: 2 sides 
Vertical circle: 2 sides

Precision

2″

Telescope

Imaging

Right reading

Barrel length

170mm

Objective lens ?effective aperture

48mm

Magnification

30x

Viewing angle

1°30′

Resolution

3.5″

Min. focus distance

1.5m

Automatic vertical compensator

System

Single axis, double axis liquid electronic sensor compensation

Work range

±3′

Precision

±3 ″

Level

Plate level

20″/2mm, 30″/2mm

Circular level

8′/2mm

Optical plummet

Imaging

Right reading

Magnification

3×

Focusing range

0.5m~∝

Viewing angle

5°

Display

Type

Two sides, graphically

Data transmission

Interface

RS-232C

Battery

Power supply

Rechargeable Ni-MH battery, rechargeable lithium battery

Volt.

Lithium battery: DC7.6V; Ni-MH battery: DC7.2V

Continuous operation time

8hours

Size and weight

Size

174×207×383mm

Weight

6.8kg