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Yellow Color Digital Dumpy Level , 20CM Min Focus Digital Surveying Instruments

Basic Information
Place of Origin: China
Brand Name: Topcon
Model Number: AT-B2,At-B4
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: with standard exporting package
Delivery Time: within 3-5work days after the goods are paid .
Payment Terms: TT ,Western Union
Supply Ability: 10000
Detail Information
Model: AT-B2,At-B4 Product Name: Auto Level Machine
Color: Yellow Color Min Focusing Range: 20cm
Feature: High Precision
High Light:

digital surveying instruments

,

digital land survey machine


Product Description

Topcon AT-B Series Auto Level : 

· 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

 

Yellow Color Digital Dumpy Level , 20CM Min Focus Digital Surveying Instruments 0

AT-B series SPECIFICATIONS

AT-Bseries SPECIFICATIONS

AT-B2

AT-B3

AT-B4

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.)

 

Contact Details
Manager

Phone Number : +8618301928717

WhatsApp : +008618301928717