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Topcon Waterpas AT-B3

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Deskripsi :
 
Auto Levels AT-B Series

AUTO LEVEL AT-Bseries

AUTO LEVEL AT-Bseries
  • 3 Models - 32x, 28x, and 24x Magnifications
  • Rapid, Accurate, and Stable Automatic Compensation
  • Ultra-Short 20cm (7.9 in.) Focusing
  • All-Weather Dependability
  • Clampless, Endless Fine Horizontal Adjustments

Three Finest Models Satisfy All Levels of Requirements

AT-B2

High-precision model
Magnification:32x
Aperture:42mm
Accuracy:0.7mm
Minimum Focus:20cm
Protection:IPX6
Weight:1.85kg

AT-B3

Versatile model for surveying, engineering and construction
Magnification:28x
Aperture:36mm
Accuracy:1.5mm
Minimum Focus:20cm
Protection:IPX6
Weight:1.7kg

AT-B4

Economical model for engineering and construction
Magnification:24x
Aperture:32mm
Accuracy:2.0mm
Minimum Focus:20cm
Protection:IPX6
Weight:1.7kg

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 even in the harshest environmental conditions. 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.

20cm (7.9 in.) - Ultra-Short Focusing Range

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.

2-Speed Focus (AT-B2)

Rotation speed of the focusing knob is automatically switched between coarse and fine, allowing for quick and precise focusing.

Clampless, Endless Fine Horizontal Adjustments

Fine horizontal knobs located on both sides of instrument can be operated without clamping, speeding up aiming procedures to the staff and other objects.

Easy-to-See Circular Level

Circular level can be viewed via integrated pentagonal prism (AT-B2) or plane mirror (AT-B3/B4) without changing your eye height.

Horizontal Circle for Angle Measurement

Horizontal angles can be directly read in 1° or 1gon units. Free rotation feature of the horizontal circle 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.

All-Weather Dependability

With the IPx6 rating, the instrument is protected against powerful water jets from all directions, meaning the AT-B series withstands a sudden shower or torrential rainfall. The advanced protection design not only prevents water penetration, but also deters clouding or condensation inside the telescope.

Distance, Angle, and Height Measurement

In addition to height and angle, distance to the staff can be simultaneously measured using stadia lines. This is accomplished by reading the length of staff between two stadia lines and multiplying the value by 100.

Optional Accessories

DE16(AT-B2) / DE22(AT-B3)

Diagonal Eyepiece
DE16 (AT-B2) / DE22 (AT-B3/B4)
Facilitates your works when the level is set at low height or in confined spaces.


OM5 (AT-B2)

Optical Micrometer OM5(F) (AT-B2)
Addition of the optical micrometer to the AT-B2 allows for 0.1mm (OM5) or 0.001ft. (OM5F) reading of staffs and improves accuracy to 0.5mm for 1km double run leveling. This combination is ideal for precise leveling.


EL5 (AT-B2)

40x Eyepiece EL5 (AT-B2)
Increases magnification of AT-B2 to 40x. Replaces standard eyepiece.

AT-Bseries SPECIFICATIONS

  AT-B2 AT-B3A AT-B4A
Telescope
Length 215mm (8.46 in.)
Magnification 32X 28X 24X
Objective Aperture 42mm (1.65 in.) 36mm (1.42 in.) 32mm (1.26 in.)
Resolving Power 3″ 3.5″ 4″
Field of View
(at 100m/328ft.)
1°20′
(2.3m / 7.5ft.)
1°25′
(2.5m / 8.2ft.)
Minimum Focus 0.2m (7.9 in.) from end of telescope
0.3m (1ft.) from instrument center
Image Erect
Stadia Constant 0
Stadia Ratio 100
Accuracy (1km double run leveling)
Without Micrometer 0.7mm (0.03 in.) 1.5mm (0.06 in.) 2.0mm (0.08 in.)
With Micrometer 0.5mm (0.02 in.) n/a
Compensator
Type Pendulum compensator with magnetic damping system
Setting Accuracy 0.3″ 0.5″
Working Range ±15′
Circular level
Sensitivity 10′ / 2mm
Horizontal circle
Diameter 103mm (4.1 in.)
Minimum Division 1°/ 1gon
General
Water Resistance IPX6 (IEC 60529:2001)
Operating Temperature -20℃ to +50℃ (-4°F to +122°F)
Size Width 130mm (5.12 in.)
Length 215mm (8.46 in.)
Height 140mm (5.51 in.) 135mm (5.31 in.)
Weight 1.85kg (4.1 lbs.) 1.7kg (3.7 lbs.)

Standard Package

  • AT-B Level
  • Plumb bob
  • Hex wrench
  • Adjusting pins
  • Vinyl cover
  • Cleaning cloth
  • Lens cap
  • User manual
  • Hard carrying case
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