Topcon AT-B3A Automatic Level (28x)
AT-B Series
Utilizing a finely tuned magnetic damping system, AT-B series automatic levels quickly levels and stabilizes 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 1º 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.
Features for the AT-B Series include:
- Magnification: 28X
- Field of View: 1°25’
- Min. Focus from instrument center: 0.3m (1 ft.)
- Stadia Ratio: 1:100
- Accuracy Without Micrometer: 1.5mm (0.06 in.)
- Water Resistance: IPX6 (IEC 60529:2001)
- Operating Temperature: -4°F to +122°F (-20ºC to +50ºC)