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Topcon 32x Automatic Level AT-B2 - 2110220B0 with Tripod and Levelling Staff

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Topcon 32x Automatic Level AT-B2 - 2110220B0 with Tripod and Levelling Staff

topcon at-b2 auto level

The Topcon AT-B2 is Topcon's high-precision automatic level. It features 32X magnification, a large 42mm objective aperture for increased light gathering, and an accuracy of 0.7mm (0.03") per 1km double run leveling.

It has a completely waterproof telescope (IPx6) and is, therefore, ideal for all kinds of wet-surveying operations, in light rain or tunnels.

The AT-B2 can focus on objects as close as 20cm (7.9 in.) which is suitable for close range work carried out by builders and contractors.

The compensator of AT-B series levels incorporate four suspension wires made of extremely high-tensile metal that features minimal thermal expansion coefficient, providing unmatched durability and accuracy even in the harshest environmental conditions.

Its 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.

Each instrument is calibrated by our factory-trained technicians before it ships to ensure accuracy. This means adjusting both the reticle and the bubble.

Remember, no matter how good or expensive your level is, if it's out of adjustment, your level won't shoot level!

The Topcon AT B2 Automatic Level allows surveyors and construction professionals to perform highly accurate leveling, angle, height, as well as distance measurements.

This optical instrument has 32x magnification, 1/32 inch accuracy, and a built-in compensator that stabilizes the line of sight despite the fine vibrations caused by heavy equipment on the jobsite.

Focus Range

Featuring a focusing range of 7.9 inches in front of the telescope, this Topcon site level facilitates working in confined spaces. With an internal magnetic dampened compensator, this survey and construction tool levels the line of site within the range of ±15 arc-minutes and an accuracy of 0.3 arc-second.

Optional Accessories

For working in extremely confined spaces, this auto level allows you to use an optional diagonal eyepiece, an optical micrometer , a light pack for leveling in low light conditions, and a 40x eyepiece for improved accuracy and magnification.

2-Speed Focusing Knob

With the AT-B2 automatic level, the rotation speed of the focusing knob is automatically switched between coarse and fine, allowing for quick and precise focusing.

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

Horizontal Circle

Horizontal angles can be directly read in degrees or gon and can be viewed just below the eyepiece. Protected against dirt and scratch, the horizontal circle features free rotation that enables you to read any angle from zero.

The ATB2 also allows you to easily view the circular level through its integrated pentagonal prism without changing your eye height.

Water Resistant

With the IPx6 rating, the AT-B2 auto level is protected against powerful water jets from all directions. The advanced protection design not only prevents water from entering the instrument, but also deters clouding or condensation inside the telescope.

This Topcon automatic level comes with a hard carrying case, plumb bob, hex wrench, adjusting pins, vinyl cover, cleaning cloth and lens cap.

Topcon AT-B4 Site Level » THE SURVEYORS WORLD: Buy & Sell Online

AUTO LEVEL AT-B Series Topcon AT-B2 32X Auto Level - 60907

  • 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
AUTO LEVEL AT-B Series
 

Three Finest Models Satisfy ALL Levels of Requirements

AT-B2

High-precision model

AT-B3

Versatile model for surveying, engineering and construction

AT-B4

Economical model for engineering and construction

 

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 Focus 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.

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.

Technical Specifications

Length215 mm (8.46 in)
Zoom32X
Objective slot42 mm (1.65 inch)
solve power3 in.
Field of View (at 100m/328ft)1° 20' (2.3 m/7.5 ft)
Focusing minute from the end of the telescope0.2 m (7.9 in)
Min. Focus from the Tool Center0.3 m (1 ft)
pictureerect
The stadiums are fixed0
pitches ratio100
focus knob2 speed
see aidpeep sight
Accuracy
sub micrometer0.7 mm (0.03 inch)
with micrometer0.5 mm (0.02 inch)
compensator
TypePendulum compensator with magnetic damping system
Precision setting0.5 in.
work area±15 ft.
generalization level
sensitive10 ft./2 mm
horizontal circle
Diameter103 mm (4.1 in)
minimum division1°/1gon
general
water resistanceIPX6 (IEC 60529:2001)
Operating temperature-4°F to +122°F (-20°C to +50°C)
Show5.12 in. (130mm)
Length8.46 in. (215mm)
to rise5.51 in. (140mm)
weight4.1 lbs (1.85 kg)

 

 

 

Optional Accesories

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

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.

 

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

May be an image of 2 people and road

 

Specifications

 AT-B2AT-B3AT-B4
Telescope
Length215mm (8.46 in.)
Magnification32X28X24X
Objective Aperture42mm (1.65 in.)36mm (1.42 in.)32mm (1.26 in.)
Resolving Power3"3.5"4"
Field of View
(at 100m/328ft.)
1¸20'
(2.3m / 7.5ft.)
1¸25'
(2.5m / 8.2ft.)
Minimum Focus0.2m (7.9 in.) from end of telescope
0.3m (1ft.) from instrument center
ImageErect
Stadia Constant0
Stadia Ratio100
Accuracy (1km double run leveling)
Without Micrometer0.7mm (0.03 in.)1.5mm (0.06 in.)2.0mm (0.08 in.)
With Micrometer0.5mm (0.02 in.)n/a
Compensator
TypePendulum compensator with magnetic damping system
Setting Accuracy0.3"0.5"
Working Range±15'
Circular level
Sensitivity10' / 2mm
Horizontal circle
Diameter103mm (4.1 in.)
Minimum Division1/ 1gon
General
Water ResistanceIPX6 (IEC 60529:2001)
Operating Temperature-20 to +50 (-4F to +122F)
SizeWidth130mm (5.12 in.)
Length215mm (8.46 in.)
Height140mm (5.51 in.)135mm (5.31 in.)
Weight1.85kg (4.1 lbs.)1.7kg (3.7 lbs.)

 

Standard Package

  • AT-B Level                                                                                                        1 pc
  • Plumb bob                                                                                                        1 pc
  • Hex wrench                                                                                                      1 pc
  • Adjusting pins                                                                                                 2 pc
  • Vinyl cover                                                                                                       1 pc
  • Cleaning cloth                                                                                                 1 pc
  • Lens cap                                                                                                           1 pc
  • User manual                                                                                                    1 pc
  • Hard carrying case                                                                                         1 pc

Topcon Construction Measurement Product is:

  • Most reliable since 1932
  • High quality with Japan Technology
  • User Friendly Design

 

 

 

 

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