Automatic Level Surveying Instruments

Model

GEO1220

GEO1224

GEO1228

GEO1232

Magnification

20×

24×

28×

32×

Standard Deviation for
1 Km Double-Run Leveling

±2.5 mm

±2.0 mm

±1.5 mm

±1.0 mm

Objective Aperture

34 mm

34 mm

34 mm

40 mm

Setting Accuracy

±0.5"

±0.5"

±0.4"

±0.3"

Resolution Power

4.2"

4.2"

4.2"

3.6"

Image of Telescope

Erect

Working Range

±15'

Compensator Type

Magnetic Damping

Shortest Focusing Distance

0.4 m

Field of View

1°30'

Multiplication Constant

100

Additive Constant

0

Sensitivity of Circular Level

8'/2 mm

Horizontal Outer Circle

360°/1° or 400 gon/ 1 gon

Recommended Staff

Please refer to "Leveling Rods & Leveling Staffs"

Recommended Tripod

Please refer to "Surveying Tripods"

Standard Accessories

Adjusting Pin, Desiccating Agent, Hex Key, Plumb Bob, User Manual

Packing Details

4 pcs per Carton; 9 kg per Carton;
Carton Size: 0.062 CBM (= 59 cm × 42 cm × 25 cm)