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Baraya Indonesia Survey
Jl.H.Kelik No.20 Kelapa Dua Kebon Jeruk Jakarta Barat 11550
Phone 082217294199 Fax 021-22054159
A Firman 082112325856
email : at_firmansyah14@yahoo.com / at.firmansyah@gmail.com
jUAL Waterpas Topcon AT Bseries
AT-B3 – Auto Level
Utilizing a finely tuned magnetic damping system, AT-B 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 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.
AT-B3 Features:
• 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 28X
Objective 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 0
Stadia Ratio 100
Focusing Knob 1-speed
Sighting Aid Gun Sight
ACCURACY AT-B3
Without Micrometer 1.5mm (0.06 in.)
With Micrometer n/a
COMPENSATOR 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)
