Catalogue - Leaflet ATG-Series - TOPCON EUROPE POSITIONING

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Total station, Field controller, Level, Laser receiver, Antenna

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TELESCOPE	AT-G1	AT-G2	AT-G3	AT-G4	AT-G7N
Length (mm)	229	229	230	192	192
Image	Erect	Erect	Erect	Erect	Erect
Magnification	32x	32x	30x	26x	22x
Objective lens (mm)	45	45	40	30	30
Relative brightness	1.98	1.98	1.78	1.33	1.86
Field of view	1°20'	1°20'	1°30'	1°30'	1°30'
Resolving power	2.5"	2.5"	3.0"	3.5"	4.0"
Minimum focus (m)	1.0	1.0	0.5	0.5	0.5
Stadia constant (m)	0 0 0 0 0
Stadia ratio	100	100	100	100	100
CIRCULAR LEVEL
Sensitivity (/2mm)	8'	8'	8'	8'	10'
AUTOMATIC LEVELLING
Setting accuracy	±0.3"	±0.3"	±0.3"	±0.3"	±0.5"
Compensating range	±15'	±15'	±15'	±15'	±10'
ACCURACY (1KM DOUBLE RUN LEVELLING)
Without optical micrometer (mm)	±0.7	±0.7	±1.5	±2.0	±2.5
With optical micrometer (mm)	±0.4	±0.4	±1.0	-	-
HORIZONTAL CIRCLE
Diameter (mm)	90	117	117	117	117
Minimum division	10'(0.1g)	1°(1g)	1°(1g)	1°(1g)	1°(1g)
WEIGHT
Instrument (kg)	2.1	1.8	1.8	1.6	1.6
Plastic carrying case (kg)	1.3	1.3	1.3	1.3	1.3

Designs and specifications herein are subject to change without notice.

More than 70 years of experience

For 70 years, Topcon has been a leading manufacturer in industrial, medical and positioning enhancement tools. This broad experience has created a basis for Topcon's wide product line for basically every positioning need, whether

it's for construction or surveying applications. For the construction industry, Topcon offers a complete range of innovative laser and sonic solutions, including industry leading products for interior, utility, general construction

and machine control applications. For surveying applications,

Topcon manufacturers and supplies a complete range of

optical measuring products, from digital and optical levels

to theodolites and robotic total stations, and a full line of

GPS+ satellite positioning solutions. Product & Service support

To assure that your Topcon product maintains peak performance, your local Topcon dealer offers factory trained certified service technicians. And just in case service assistance isn't available in your area, our Europe wide network of

Topcon offices, offer repair and return service policies second

to none.

Innovation, not imitation

During the last decades, Topcon has brought many innovative

solutions to the industry, that offer the contractor significant

productivity increase and greater ease of use. That's the key to leadership, and the reason Topcon is the world's leading supplier of laser and surveying instruments. Some examples of unique Topcon technologies:

• Waterproof auto level

• The integrated total station, "The Guppy"

• The compact coaxial total station (GTS-1)

• World's First laser with beam scanning technology

• The first waterproof total station

• GreenBeam® visible construction lasers

• Automatic excavator control system

• World's First 3-D machine control (3D- MC™ LPS)

• 5" Grade laser with automatic alignment & remote control

• Horizontal self leveling laser with liquid compensator

• First robotic total station with instant beam lock system

(GTS-800A and RC-2)

• First satellite-directed automatic 3D machine control system (3D-MC™ GPS)

Your Topcon Partner

TOPCOIX

TOPCON EUROPE B.V.

Essebaan 11

2908 LJ Capelle a/d IJssel The Netherlands

Phone: 31-(0)10 - 458 50 77 Fax: 31-(0)10 - 458 50 45 E-mail: survey@topcon.nl http: //www.topconeurope.com

Item number: 5310551 Language: English

Printed: 08-2003

Certificate No. 03682548 TOPCON EUROPE B.V Capelle a/d IJssel, The Netherlands

Leaflet ATG-Series - TOPCON EUROPE POSITIONING - #1

Total station, Field controller, Level, Laser receiver, Antenna