Angle
Measurement

Measuring Method

Absolute encoder

Diameter

79mm

Min. Reading

1″, 5″,10″

Measuring Unit

360°，400gon

Vertical Angle 0°

Zenith 0 °, Horizontal 0 °

Accuracy

2 ″

Telescope

Image

Erect

Magnification

30x

Effective Aperture

47mm

Resolving power

3.75″

Field of View

1°30″(26mm/1000m）

Min. Focus

1.5 m

Stadia Ratio

100

Tube Length

169mm

Compensator

Electronic Tilt Sensor

Vertical compensation

Compensator Range

±3′

Resolving Power

6 ″

Vial

Plate Vial

30″/2mm

Circular Vial

8 ′/2mm

Display

Type

Two sides LCD

Onboard battery

Power Resource

Rechargeable Li-on battery

Voltage

DC 7.4 V

Operation Time

BDC 1600 mAh (About 20 hours)

Laser

Length of the Wave

635 nm

Power

10 mW

Effective Range

250 m

Position Error

≤5″

Voltage

DC 3.3 V

Working Temperature

– 10 °～+ 45 °

Others

Storage Temperature

– 10 °～+ 45 °

Dimension

180 x 166 x 355 m

Weight

5 Kg