Auto Level Topcon

17200

Telescope 

AT-B4

Length

215mm (8.46 in.)

Magnification

24X

Objective Aperture

32mm (1.26 in.)

Resolving Power

4

Field of View

1°25’ (at 100m/328ft.)

(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

Irect

Stadia Constant

0

Stadia Ratio

100

Focusing Knob

1-speed

Sighting Aid

Gun Sight

Accuracy

AT-B4

Without Micrometer

2.0mm (0.08 in.)

With Micrometer

n/a

Water Resistance

IPX6 (IEC 60529:2001)

Compensator

AT-B4

Operating Temperature

-4°F to +122°F (-20ºC to +50ºC)

Type

Pendulum compensator with magnetic damping system

Setting Accuracy

0.5 in.

Working Range

±15 ft.

Circular Level

AT-B4

Sensitivity

10 ft./2mm

Horizontal circle

AT-B4

Diameter

103mm (4.1 in.)

Minimum division

1°/1gon

General

AT-B4

Width

5.12 in. (130mm)

Length

8.46 in. (215mm)

Height

5.31 in. (135mm)

Weight

3.7 lbs. (1.7kg)

Description

Topcon ATB-4A auto-level is the ideal device for determining height differentials on busy and noisy job sites. With a completely new small lightweight design, they have excellent visibility of horizontal circle, superior gear ratio for shock and vibration and improved tangents and knobs.

The IPx6 rating ensures that the ATB-4A is protected against powerful water jets from all directions, meaning that it withstands sudden showers or torrential rainfall. The advanced protection design also deters clouding or condensation inside the telescope.

In the Box: AT-B level, Hex wrench, Adjusting pins (AT-B2 only), Vinyl cover, Cleaning cloth, User manual, Hard case

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