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SETL AT Automatic Level

Specifications

 

Model Parameter 

AT-20

AT-24

AT-28

Standard   Deviation for 1km   Double-run levelling

2.5mm

2.0mm

2.0mm

Telescope image

Erect

Erect

Erect

Magnification

20X

24X

24X

Clear Objective   Aperture

30mm

30mm

30mm

Angle of field   of View

1°20′

1°20′

1°20′

Shortest   Focusing Distance

0.6m

0.6m

0.6m

Stadia   Multiplying Constant

100

100

100

Stadia Additive   Constant

0

0

0

Sensitivity of   Circular Level

8′/2mm

8′/2mm

8′/2mm

Graduation   interval of Circle

1°or 1gon

1°or 1gon

1°or 1gon

Compensator type

magnetic-damping

Compensator   working Range

±15′

±15′

±15′

Setting Accuracy

±0.5″

±0.5″

±0.5″

Dimensions

190×130×136mm

190×130×136mm

190×130×136mm

Weight

1.22kg

1.22kg

1.22kg

Connecting size   to tripod

M16 or 5/8″

M16 or 5/8″

M16 or 5/8″

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