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AT-B  Series Automatic Levels


     800-251-1280

Topcon offers a wide range of automatic levels for the land surveyor, civil engineer and contractor.
All AT-B series levels feature a magnetically-damped wire hung having superior resistance to cold, heat and shock.
All AT-B series have a standard 360° horizontal circle. 
All models are waterproof with nitrogen gas sealed telescope which prevents clouding and moisture on the lens.

 
 
  • Waterproof - nitrogen gas filled
  • Magnetically damped compensators
  • Rapid automatic leveling
  • Horizontal circles
  • Clampless tangent screws on both sides
  • Mirrored circular level
  • Stadia cross hairs
 

SPECIFICATIONS
This chart is a general guide to hardware specifications.  All specifications are subject to change.

 

AT-B2 AT-B3 AT-B4
 
MSLP $1,395.00 $595.00 $295.00
Magnification

32x

28X $24X
Accuracy 1km DR Level

1.0 mm

2.0 mm
Objective Lens

45mm

36mm 32mm
Relative Brightness

1.98

   
Field of View 85 Minutes
Minimum Focus

.3 Meter

Resolving Power

3"

3.5" 4.0"
Stadia Ratio

1 : 100

Compensating Range

+/- 15 minutes

Circular Level 10 minutes
Hz Circle Min Reading

1 degree

Weight

3.7 lbs