Technical-Parameter

SDJ-02

TELESCOPE

Image

Erect

Magnification

30x

Clear Objective aperture

45mm

Angle of field of view

1°30′

Shortest stadia

1.35m

Stadia multiplying constant

100

Stadia additive constant

0

Resolving power

3″

MEASURING ANGLE SYSTEM

Method of measuring angle

Incremental mode readings of photoelectricity

Minimum reading

1″, 5″

Method of detecting

H:Two side V:One side

Accuracy of measuring angle

2″

Angle unit

DEG MIL GON

Display

two faced LCD

COMPENSATOR

Tilt sensor

plumb compensation automatically

Range of compensator

±3′

PLUMMET

Optical

Image

Erect

Magnification

3x

Angle of field of view

5°

Focusing range

0.5m~8

Bubble

Accuracy of plate bubble

30″/2mm

Accuracy of circular bubble

8′/2mm

Working environment temperature

-20oC+50oC

Power Supply

Battery

Dry battery or charged nickel-hydrogen battery

Power Voltage

4.8V

Continuous operating time

36h