Topcon Auto Level AT-B4

Topcon Auto Level AT-B4

$672.00 tax incl.

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100 items in stock

Availability: Shipping to Worldwide

Magnification: 24X

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12 other products in the same category:

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

Specifications:

TELESCOPE AT-B2 AT-B3 AT-B4
Length 215mm (8.46 in.) 215mm (8.46 in.) 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 in. 3.5 in. 4 in.
Field of View 1°20’ 1°25’ 1°25’
(at 100m/328ft.) (2.3m/7.5 ft.) (2.5m/8.2 ft.) (2.5m/8.2 ft.)
Min. Focus from end of telescope 0.2m (7.9 in.) 0.2m (7.9 in.) 0.2m (7.9 in.)
Min. Focus from instrument center 0.3m (1 ft.) 0.3m (1 ft.) 0.3m (1 ft.)
Image Erect Erect Erect
Stadia Constant 0 0 0
Stadia Ratio 100 100 100
Focusing Knob 2-speed 1-speed 1-speed
Sighting Aid Peep Sight Gun Sight Gun Sight
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 n/a
COMPENSATOR
Type Pendulum compensator with magnetic damping system
Setting Accuracy 0.3 in. 0.5 in. 0.5 in.
Working Range ±15 ft. ±15ft. ±15 ft.
CIRCULAR LEVEL
Sensitivity 10 ft./2mm 10 ft./2mm 10 ft./2mm
HORIZONTAL CIRCLE
Diameter 103mm (4.1 in.) 103mm (4.1 in.) 103mm (4.1 in.)
Minimum Division 1°/1gon 1°/1gon 1°/1gon
GENERAL
Water Resistance IPX6 (IEC 60529:2001)
Operating Temperature -4°F to +122°F (-20ºC to +50ºC)
Width 5.12 in. (130mm) 5.12 in. (130mm) 5.12 in. (130mm)
Length 8.46 in. (215mm) 8.46 in. (215mm) 8.46 in. (215mm)
Height 5.51 in. (140mm) 5.51 in. (140mm) 5.31 in. (135mm)
Weight 4.1 lbs. (1.85kg) 3.7 lbs. (1.7kg) 3.7 lbs. (1.7kg)

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