Auto Levels – AT-B Series

Topcon AT-Ba Automatic Level

Durable, Dependable, High Value Auto Levels

Topcon have two new, updated auto levels to replace the AT-B3 and AT-B4! The levels have been updated to feature a smaller, lightweight design while still improving the performance of the unit.

The AT-B Series of precision instruments utilise a finely tuned magnetic dampening system to provide unmatched durability and accuracy. Essential reliability when working near heavy equipment or busy highways, or where fine vibrations may be present.

The Topcon AT-B Series Automatic Levels are available in 3 Models – 24x, 28x, and 32x Magnification.

  • Three models – 32x, 28x, and 24x magnifications
  • Ultra-short 20 cm focusing
  • All-weather dependability
  • ±5 Degrees self-leveling range
  • Clampless, endless fine horizontal adjustments

See Topcon Catalogue here

Topcon AT-Ba Automatic Level


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Rapid, stable, durable compensator

The compensator of AT-B Series incorporates four suspension wires made of super-high-tensile metal, which features minimal thermal expansion coefficient – providing unmatched durability and accuracy. The finely tuned magnetic damping system quickly levels and stabilizes the line-of-sight despite the fine vibrations present when working near heavy equipment or busy roadways.

Horizontal circle for measurement

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

20 cm – Short minimum focus

The AT-B Series can focus on objects 20 cm in front of the telescope. This feature dramatically facilitates working in confined spaces.

All-weather dependability

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

Get the right auto level regardless of the conditions

Dealing with different conditions including weather especially during the colder months of the year, it can be difficult to work out the accurate level of your project needs. Weather can often affect your surveying equipment, and your builders level equipment is no exception. However, automatic level AT-B series have incorporated specialist suspension wires to minimise thermal expansion providing you with unmatched durability and accuracy for all your levelling projects.
Whether the project at hand relates to earthworks, site preparation, drainage or concrete, this auto level is a great choice to get started. It can also offer ultra-short 20 cm focusing, which is great for those working every day that find themselves squinting to ensure they’ve got the level correct.


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