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Nanjing Hanzhong Mapping Equipment Co., Ltd.

Level, Topcon Level, Topcon at-B4 manufacturer / supplier in China, offering High Quality Automatic Topcon at-B4 Level, Hi Target V30 Gnss Rtk System GPS Base Rover Receiver Price, Gnss Rtk High Precision Hi-Target V30 GPS Gnss Rtk GPS Receiver and so on.

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Supplier Homepage Product Level Others Level High Quality Automatic Topcon at-B4 Level

High Quality Automatic Topcon at-B4 Level

FOB Price: US $200-300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $200-300/ Piece
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Port: Shanghai, China
Production Capacity: 120/Month
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: Topcon level AT-B4
  • Language: English
  • Trademark: Topcon
  • Specification: CE SGS
  • Model No: Topcon at-B4
  • Setting Accuracy: 0.5"
  • Transport Package: Carton
  • HS Code: 90158090
Product Description

High Quality Automatic Topcon at-B4 Level

Product Details

Basic Info.

Model NO.:AT-B4
Accuracy (1km Double Run Leveling):2.0mm (0.08 in.) Without Micrometer
Field of View:1°25′
Setting Accuracy:0.5"
Working Range:±15′
Export Markets:Global

Additional Info.

Packing:Plastic Carrying Case+Carton
Standard:CE, ROSH
HS Code:9031499090

Product Description

Primary Features
Rapid,Stable,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, 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.

Horizontal Circle for Measurement
     Horizontal angles can be directly read in 1° or 1 gon units. Free rotation feature 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.

20cm(7.9 in.) - Short Minimum Focus
     The AT-B Series can focus on objects at 20cm(7.9 in.) in front of the telescope. This feature dramatically facilitates working 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 also deters clouding or condensation inside the telescope.

Kit Components
Standard Package Components
* AT-B Level     * Plumb bob     * Hex wrench     * Adjusting pins     * Vinyl cover     * Cleaning cloth
* User manual     * Hard case
Field of View1°20'1°25'1°25'
Min.Focus from center of the instrument                                                0.3m (1 ft.)
Image                                                    Erect
Stadia                                                Yes (1:100)
Focusing Knob2-speed1-speed1-speed
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/an/a
Type             Pendulum compensator with magnetic damping system
Setting Accuracy0.3"0.5"0.5"
Working Range±15'±15'±15'
Horizontal Circle


Minimum Division1° / 1 gon1° / 1 gon1° / 1 gon


Water Resistance                                  IPX6 (IEC 60529:2001)
Operating Temperature                           -4°F to+122°F (-20°C to +50°C)
Width5.12 in.(130mm)5.12 in.(130mm)5.12 in.(130mm)
Length8.46 in.(215mm)8.46 in.(215mm)8.46 in.(215mm)
Height5.51 in.(140mm)5.51 in.(140mm)5.31 in.(135mm)
Weight4.1 lbs.(1.85kg)3.7 lbs.(1.7kg)3.7 lbs.(1.7kg)
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Ms. Jacqueline Zhou
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