Surveying Instruments

Survey Equipments

Auto Level (Sokkia)

Model: SL-SE-002

Sokkia's B series automatic levels feature enhanced reliability under all environmental conditions and are more tightly sealed against water, dust and humidity (IPx6). Quick setup, easy sighting and superior durability against vibration and shock ensure increased productivity. The B series Sokkia Auto levels incorporate the most precise and reliable compensator available in the market today. The optimally designed telescope provides exceptionally bright and sharp view that reduces operator's eye strain. Quick collimation and horizontal angle measurement combine for fast and easy aiming of layout and alignment tasks. The market- and time-proven B series automatic levels provide outstanding precision for a multitude of leveling tasks
. Precise, Reliable Automatic Compensator.
. Superior Telescope.
. Quick Collimation.
. Horizontal Angle Measurement.
. Stadia lines on the reticle allow distance measurements.
. Rapid, East Setup.
. Easy to Adjust.

Topcon Auto Level AT-B Series Technical Specifications:

Model

B 20

B 30

B 40

Telescope

Length

250mm (8.46in.)

 

 

Magnification

32x

28x

24x

Objective aperture

42mm
(1.65in.)

36mm
(1.42in.)

32mm
(1.26in.)

Resolving power

3

3.5"

4"

Field of View
(at 100m/328ft.)

1°20'
(2.3m / 7.5ft.)

1°25'
(2.5m / 8.2ft.)

Minimum focus

0.2m (7.9in.) from end of telescope0.3m (1ft.) from instrument center

Image

Erect

Reticle pattern

Wedge

Cross line

Stadia constant

0

Stadia aid

2-speed

1-speed

Lens hood

Preep sight

Gun sight

Accuracy (Standard deviation for 1km double run leveling)

Without micrometer

0.7mm
(0.03in.)

1.5mm
(0.06in.)

2.0mm
(0.08in.)

With micrometer

0.5mm
(0.03in.)

 

Compensator

Type

Type Pendulum compensator with magnetic damping system Setting

Setting accuracy

0.3"

0.5”

Working rage

+15’

Circular level

Sensitivity

10’/2mm

Mirror

Pentaprism

Plane Mirror

Horizontal circle

Diameter

103mm (4.1in.)

Graduations

1deg/1gon

General

Horizontal motion drive

Clamp less, endless, double-sided knobs

Water resistance

IP x 6(IEC 60529:2001)

Operating temperature

-20 to -50degC (-4 to +122 deg F)

Size

Width

130mm (5.12in.)

 

Length

215mm (8.46in.)

 

Height

140mm (5.51in.)

135mm (5.31in.)

Weight

1.88kg (4.1lb)

1.7kg (3.7 lb)