BONNEVILLE BLUEPRINT SUPPLY           

                      

           

Home
Up
GPS
Survey/ Eng
Construction
Service Dept.
Printshop
Printers/Plotters
Media

 

 

Topcon's ATG Series Auto Levels:

AUTO LEVELS

AT-G1

AT-G2/G2A

AT-G3

AT-G4

AT-G6 AT-G7
Telescope:
           
Length (mm/in.)

229/9

229/9

230/9

192/7.7

193/7.7 204/8
Image

Erect

Erect

Erect

Erect

Erect Erect
Magnification

32x

32x

30x

26x

24x 22x
Objective Lens (mm/in.)

45/1.8

45.1.8

40/1.6

30/1.2

30/1.2 30/1.2
Relative Brightness

1.98

1.98

1.78

1.33

1.56 1.86
Field Of View

1° 20'

1° 20'

1° 30'

1° 30'

1° 30' 1° 30'
Resolving Power

2.5"

2.5"

3.0"

3.5"

4.0" 4.0"
Minimum Focus (m/ft.)

1.0/3.3

1.0/3.3

0.5/1.6

0.5/1.6

0.5/1.6 0.9/2.9
Stadia Constant

0

0

0

0

0 0.1
Stadia Ratio

100

100

100

100

100 100
             
Sensitivities of Levels:
           
Main Level (/2mm)

Circular Level (/2mm)

8'

8'

8'

8'

8' 10'
Tilting Range

             
Automating Leveling:
           
Setting Accuracy

± 0.3"

± 0.3"

± 0.3"

± 0.3"

± 0.3" ± 0.5"
Compensating Range

± 15'

± 15'

± 15'

± 15'

± 15' ± 10'
             
Accuracy
1km Double Run Level:
           
Without Optical
Micrometer (mm)

± 0.7

± 0.7

± 1.5

± 2.0

± 2.0 ± 2.5
With Optical
Micrometer (mm)

± 0.4

± 0.4

± 1.0

             
Horizontal Circle:
           
Diameter (mm/in.)

90/3.5

90/3.5

117/4.6

117/4.6

117/4.6 102/4.0
Minimum Division 10’(0.1g) 1° (1g) 1° (1g) 1° (1g) 1° (1g) 1° (1g)
             
Weight:

 

 

 

 

   
Instrument (kgs/lbs.) 2.1/4.6 1.8/4.1 1.8/4.1 1.6/3.6 1.6/3.6 1.2/2.6
Carrying Case (kgs/lbs.)

1.3/2.9

1.3/2.9

1.3/2.9

1.3/2.9

1.3/2.9 1.2/2.6
             
Optional Accessories:
           
Diagonal Eyepiece

       
Optical Micrometer

       
Illuminator 3

       
40x Eyepiece

         
Centering Eyepiece

 

Send mail to webmaster  with questions or comments about this web site.  Please call either store for product information or to place an order.
Copyright © 2006 - 2008
Bonneville Blueprint Supply, Inc.          Hit Counter