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• Durable, Dependable, High Value Auto Levels
• Rapid, Accurate, and Stable Automatic Compensation
• Ultra-Short 20cm (7.9 in.) Focusing
• All-Weather Dependability
• Clampless, Endless Fine Horizontal Adjustments
Rapid, Stable, and Durable Compensator
The
compensator of AT-B Series incorporates four suspension wires made of
super-high-tensile metal that features minimal thermal expansion
coefficient, providing unmatched durability and accuracy. Finely tuned
magnetic damping system quickly levels and stabilizes the line of sight
despite the fine vibrations present when working near heavy equipment or
busy roadways.
Horizontal Circle for Angle Measurement
Horizontal
angles can be directly read in 1º 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.
20cm (7.9 in.) - Ultra-Short Minimum Focus
The
AT-B Series can focus on objects at 20cm (7.9 in.) in front of the
telescope. This feature dramatically facilitates the works in confined
spaces.
TELESCOPE AT-B3
Length 215mm (8.46 in.)
Magnification 28XObjective Aperture 36mm (1.42 in.)
Resolving Power 3.5 in.Field of View 1°25’
(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 0Stadia Ratio 100
Focusing Knob 1-speed Sighting Aid Gun Sight
ACCURACY AT-B3
Without Micrometer 1.5mm (0.06 in.)
With Micrometer n/aCOMPENSATOR AT-B3
Type Pendulum compensator with magnetic damping system
Setting Accuracy 0.5 in. Working Range ±15ft.
CIRCULAR LEVEL AT-B3
Sensitivity 10 ft./2mm
HORIZONTAL CIRCLE AT-B4
Diameter 103mm (4.1 in.)Minimum Division 1°/1gon
GENERAL AT-B3
Water Resistance IPX6 (IEC 60529:2001)Operating Temperature -4°F to +122°F (-20ºC to +50ºC)
Width 5.12 in. (130mm)Length 8.46 in. (215mm)
Height 5.51 in. (140mm)Weight 3.7 lbs. (1.7kg)