Surveying Auto Level in Pakistan - Topcon AT-B4A Automatic Levels


Surveying Auto Level in Pakistan - Topcon AT-B4A Automatic Levels


Thanks to the finely tuned autocollimation system, the AT-B series of auto levels is 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. The AT-B series levels feature world-class auto-compensation, incorporating four low thermal expansion suspension wires. This gives you a stabilized line of sight for perfect measurements when working on busy sites or near heavy machinery. An IPX6 rating ensures that the AT-B is tested to withstand sudden showers or torrential rainfall. The advanced protection design also prevents clouding or condensation inside the telescope.

 
  • Length   :   214mm (8.42in.)
  • Magnification   :   24x
  • Objective Aperture   :   32mm (1.26 in.)
  • Resolving Power   :   4”
  • Field of View   :   1°25’ (2.5m / 8.2ft.)
  • Focusing Knob   :   1-speed
  • Sighting Aid   :   Gun Sight
  • Setting Accuracy   :   0.5"
  • Working Range   :   ±15'
  • Diameter   :   99mm (3.9in.)
  • Water Resistance   :   IPX6 (IEC 60529:2001)
  • Operating Temperature   :   -20 to +50ºC (-4 to +122°F)
  • Weight   :   1.5kg (3.3lbs.)

Topcon AT-B4A

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