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Topcon AT-B4A Auto Level

Topcon AT-B4A Auto Level


Topcon AT-B4A Series Auto Level

These precision instruments provide reliable leveling even when working near heavy equipment or busy highways where fine vibrations could be present. Using a precise magnetic damping system, AT-B series automatic levels quickly level and stabilize the sight line. Featuring IPX6 protection against powerful water jets from all directions, the automatic levels are fully resistant to driving rain and splashing water.

Robust, Reliable, High Value



With 80 years of experience manufacturing the World's most precise Optical Survey Instruments only Topcon can offer the precision, durability and advanced technology to provide the highest accuracy and value in auto level technology. .

24X Magnifications



Depending on your application Topcon offers three different models. The Topcon optics are superior in low light low conditions.

Rapid, Stable, and Durable Compensator



Finely tuned magnetic damping system rapidly level and stabilize the line of sight despite the fine vibrations present when working near heavy equipment or roadways. The compensator of AT-B Series incorporates four suspension wires composed of super-high-tensile metal that features minimal thermal expansion coefficient, providing unparalleled durability and precision. 

Horizontal Circle for Angle Measurement 



Free rotation feature allows you to read any angle from zero. For protection against dirt and scratch the circle is covered. Horizontal angles can be directly read in 1° or 1gon units. The readout window is located below the eyepiece for easy reading. 


All-Weather Durability



The instrument is protected from all directions against powerful water jets to an IPX6 rating, meaning the AT-B Series withstands sudden showers or torrential rainfall. The advanced protection design also inhibits clouding or condensation inside the telescope.

Features & Benefits:



· Durable, Dependable, High Value Auto Levels

· 24x Magnification

· Rapid, Accurate, and Stable Automatic Compensation

· All-Weather Dependability


· Clampless, Endless Fine Horizontal Adjustments 

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