Topcon AT-B series

AT-B series

  • Topcon
  • Levels

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Key Features & Specs

Super quick leveling with stabilized line of sight

Thanks to the finely tuned auto-collimation system, the Topcon line of AT-B autolevels are the ideal device for determining height differentials on busy and noisy job sites. With a completely new small lightweight design, they have excellent visibility of horizontal circle, superior gear ratio for shock and vibration and improved tangents and knobs.

• 3 Models - 32x, 28x and 24x magnifications
• Rapid, accurate, and stable automatic compensation
• Ultra-short 20cm focusing
• All-weather dependability
• Endless fine horizontal adjustments

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  • Overview

    Innovations help you work in all conditions

    Incorporating four low thermal expansion suspension wires, the AT-B series levels feature world class auto-compensation, allowing a stabilized line of sight for perfect measurements when working on busy sites or near heavy machinery.

    The IPx6 rating ensures that the AT-B is protected against powerful water jets from all directions, meaning that it withstands sudden showers or torrential rainfall. The advanced protection design also deters clouding or condensation inside the telescope.

  • Applications
    • Geopositioning 
    • Construction 
  • Dimensions (AT-B4): 5.31 in. (135mm) x H
  • Magnification: AT-B4: 24x
  • Dimensions: 8.46 in. (215mm) x D
  • Operating Temperature: -4°F to +122°F (-20ºC to +50ºC)
  • Dimensions (AT-B2/B3): 5.51 in. (140mm) x H
  • Weight: AT-B2: 4.1 lbs. (1.85kg)
  • Weight: AT-B4: 3.7 lbs. (1.7kg)
  • Magnification: AT-B2: 32x
  • Weight: AT-B3: 3.7 lbs. (1.7kg)
  • Waterproof: IPX6 (IEC 60529:2001)
  • Dimensions: 5.12 in. (130mm) x W
  • Magnification: AT-B3: 28x
  • Type: Pendulum compensator with magnetic damping system