Topcon AT-B Series User Manual

SPECIFICATIONS*
TELESCOPE AT-B2 AT-B3 AT-B4
Length 21 5 m m
Magnification 32X 28X 24X
Objective Aperture 42 mm 36 mm 32 mm
Resolving Power 3“ 3.5“ 4“
Field of view 1°20‘ 1°25‘
(at 100 m) (2.3 m) (2.5 m)
Minimum Focus 0.2 m from end of telescope
0.3 m from instrument center
Image Erect
Stadia Constant 0
Stadia Ratio 100
Focusing Knob 2-speed 1-speed
Sighting Aid Peep Sight Gun Sight
ACCURACY (1km double run leveling)
Without Micrometer 0.7 mm 1.5 mm 2.0 mm
With Micrometer 0.5 mm n/a
COMPENSATOR
Type Pendulum compensator with magnetic
damping system
Setting Accuracy 0.3“ 0.5“
Working Range ±15‘
CIRCULAR LEVEL
Sensitivity 10‘ / 2mm
HORIZONTAL CIRCLE
Diameter 103 mm
Minimum Division 1°/ 1gon
GENERAL
Water Resistance IPX6 (IEC 60529:2001)
Operating Temperature –20ºC to +50ºC
Size (W x L x H) 130 mm x 215 mm x 140 mm H: 135 mm
Weight 1.85 kg 1.7 kg
AUTO LEVEL
Durable, Dependable,
Precise Auto Levels
n 3 Models - 32x, 28x and
24x Magnifications
n Rapid, Accurate, and Stable
Automatic Compensation
n Ultra-Short 20cm Focusing
n All-Weather Dependability
n Endless Fine Horizontal
Adjustments
AT-B
Series
Your local authorised Topcon distributor is:
* all technical changes are reserved by TOPCON, 07/2010
grafit-werbeagentur.de
The Leader in Positioning Technology ...
Topcon is the worldwide leading developer and manufacturer of
precision positioning equipment and offers the widest selection
of innovative precision GPS systems, laser, optical surveying,
machine control, GIS and agriculture products.
T205EN - English - A
www.topcon.eu

Topcon AT-B Series Specifications

General

Brand	Topcon
Model	AT-B Series
Category	Tools
Language	English

Summary

AT-B Series Auto Levels Overview

Key Features and Specifications

Highlights durability, precision, multiple magnifications, rapid compensation, short focusing, and all-weather dependability.

AT-B Series Applications

Ultra-Short Minimum Focus

Enables focusing on objects at 20 cm, facilitating work in confined spaces.

Horizontal Circle for Angle Measurement

Allows direct reading of horizontal angles in 1° or 1gon units with free rotation.

Compensator Performance

Features a magnetic damping system for quick leveling and stability despite vibrations.

All-Weather Dependability and Components

IPX6 Water Resistance

Instrument protected against powerful water jets, with advanced design deterring clouding.

Key Components

Details components like quick sight, composite body, level vial, horizontal adjustment, tribrach, and leveling system.

Optional Accessories and Standard Package

Optional Accessories

Lists available optional accessories such as diagonal eyepieces and 40x eyepieces.

Standard Package Contents

Details the items included in the standard package, including the level, accessories, and case.

AT-B Series Specifications

Telescope Specifications

Details telescope length, magnification, aperture, resolving power, field of view, and minimum focus.

Accuracy and Compensator Details

Covers leveling accuracy without/with micrometer, compensator type, setting accuracy, and working range.

Circular Level and Horizontal Circle

Specifies sensitivity of the circular level and details of the horizontal circle.

General Specifications

Includes water resistance rating, operating temperature, size, and weight.

Topcon Positioning Technology

Company Overview

Describes Topcon as a leading developer and manufacturer of precision positioning equipment.