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SETL AL Automatic Level

Specifications

 

Model   Parameter 

Al-20

AL-24

AL-28

AL-32

Standard   Deviation for 1km Double-run levelling

2.5mm

2.0mm

1.5mm

1.0mm

Telescope   image

Erect

Erect

Erect

Erect

Magnification

20X

24X

28X

32X

Clear   Objective Aperture

30mm

36mm

36mm

36mm

Angle of   field of View

1°20

1°20

1°20

1°20

Shortest   Focusing Distance

0.65m

0.65m

0.65m

0.65m

Stadia   Multiplying Constant

100

100

100

100

Stadia   Additive Constant

0

0

0

0

Sensitivity   of Circular Level

8/2mm

8/2mm

8/2mm

8/2mm

Graduation   interval of Circle

1°or 1gon

1°or 1gon

1°or 1gon

1°or 1gon

Compensator   type

X-shaped wire   suspension air-damping

Compensator   working Range

±15

±15

±15

±15

Setting   Accuracy

±0.5

±0.5

±0.5

±0.5

Dimensions

190×130×136mm

190×130×136mm

190×130×136mm

190×130×136mm

Weight

1.8kg

1.8kg

1.8kg

1.8kg

Connecting   size to tripod

M16 or 5/8

M16 or 5/8

M16 or 5/8

M16 or 5/8

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