Utilizing a finely tuned magnetic damping system, AT-B series automatic levels quickly level and stabilize the line of sight. These precision instruments ensure reliable leveling even when working near heavy equipment or busy highways where fine vibrations could be present. The automatic levels feature IPX6 protection against powerful water jets from all directions and are fully resistant to driving rain and splashing water. Horizontal angles can be directly read in 1° or 1gon units. Free rotation feature allows you to read any angle from zero. The circle is covered for protection against dirt and scratch. The readout window is located below the eyepiece for quick reading. AT-B Series Features:     * Durable, Dependable, High Value Auto Levels     * 3 Models - 32x, 28x, and 24x Magnifications     * Rapid, Accurate, and Stable Automatic Compensation     * Ultra-Short 20cm (7.9 in.) Focusing     * All-Weather Dependability     * Clampless, Endless Fine Horizontal Adjustments        
Models: AT-B2 32x AT-B3 28x AT-B4 26x
Topcon AT-B series
MODELS OVERVIEW ATB2 ATB3 ATB4 TELESCOPE Magnification 32x 28x 24x Objective Aperture 42mm   36mm   32mm Stadia (1:100) yes yes yes ACCURACY without Micrometer .03 in. .06 in. .08 in. GENERAL Water Resistant IPX6 IPX6 IPX6 Temperature                -4°F to +122°F Weight 4.1lbs. 3.7lbs. 3.7lbs.    
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