Topcon AT-B4A Automatic Level

Topcon offers a wide range of automatic levels for the land surveyor, civil engineer and contractor. Topcon AT-B4A Automatic 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