Automatic Level Topcon AT-B4

Specification: TELESCOPE: • Length : 215mm ( 8.46 in.) • Magnification : 24X • Objective Aperture : 32mm ( 1.26 in.) • Resolving Power : 4 in. • Field of View : 1° 25’ ( at 100m/ 328ft.) ( at 100m/ 328ft.) ( 2.5m/ 8.2 ft.) • Min. Focus from end of telescope : 0.2m ( 7.9 in.) • Min. Focus from instrument center : 0.3m ( 1 ft.) • Image : Erect • Stadia Constant : 0 • Stadia Ratio : 100 • Focusing Knob : 1-speed • Sighting Aid : Gun Sight ACCURACY: • Without Micrometer : 2.0mm ( 0.08 in.) • With Micrometer : n/ a COMPENSATOR: • Type : Pendulum compensator with magnetic damping system • Setting Accuracy : 0.5 in. • Working Range : ± 15 ft. CIRCULAR LEVEL : AT-B4 • Sensitivity : 10 ft./ 2mm HORIZONTAL CIRCLE: • Diameter : 103mm ( 4.1 in.) • Minimum Division : 1° / 1gon GENERAL: • Water Resistance : IPX6 ( IEC 60529: 2001) • Operating Temperature : -4° F to + 122° F ( -20º C to + 50º C) • Width : 5.12 in. ( 130mm) • Length : 8.46 in. ( 215mm) • Height : 5.31 in. ( 135mm) • Weight : 3.7 lbs. ( 1.7kg) Package includes: Auto Level, Hard-Shell Carry Case, Plumb Bob, Weather Protective Bag, Lens cleaning cloth, Allen Wrench, and Operators Manual. Complete with : • Aluminium Tripod • Levelling staff 3 M