AT-B Series Level

Durable, dependable and precise auto levels

The AT-B can go with you to get the job done any time, anywhere.

Product Info

Super quick leveling with stabilised line of sight

Thanks to the finely tuned autocollimation system, the Topcon line of AT-B auto levels are ideal for determining height differentials on busy and noisy job sites. With a small and lightweight design, they have excellent horizontal circle visibility, superior gear ratios 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


Work in all conditions

The AT-B series levels feature world-class auto-compensation incorporating four low thermal expansion suspension wires. This permits a stabilised line of sight for perfect measurements when working on busy sites or near heavy machinery.

The IPx6 rating ensures that the AT-B is tested to withstand sudden showers or torrential rainfall. The advanced protection design also deters clouding or condensation inside the telescope.

AT-B Series Level is perfect for:


AT-B Series Level Specifications

AT-B2: 32x
AT-B3: 28x
AT-B4: 24x
Pendulum compensator with magnetic damping system
Certifications and Standards
(IEC 60529:2001)
Operating Temperature
-4°F to +122°F
(-20ºC to +50ºC)
Physical and Environmental
5.12 in. (130mm) x W
8.46 in. (215mm) x D
5.51 in. (140mm) x H
5.31 in. (135mm) x H
AT-B2: 4.1 lbs. (1.85kg)
AT-B3: 3.7 lbs. (1.7kg)
AT-B4: 3.7 lbs. (1.7kg)

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