Gold Member Since 2014
Audited Supplier
Shanghai Galaxy International Trade Co., Ltd.

Auto Level, Topcon Auto Level, Survey Instruments manufacturer / supplier in China, offering Topcon New Model at-B4a Auto Level, Kolida K9 Mini Smart Rtk GPS Receiver GPS Receiver, Hammer Ht-225W Hammer and so on.

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Supplier Homepage Product Auto Level Topcon New Model at-B4a Auto Level

Topcon New Model at-B4a Auto Level

Purchase Qty.:
1-11 12-49 50+
FOB Unit Price: US $220 US $200 US $190
Purchase Qty. (Pieces) FOB Unit Price
1-11 US $220
12-49 US $200
50+ US $190
Get Latest Price
Port: Shanghai, China
Production Capacity: 10000/Year
Payment Terms: L/C, T/T, Western Union, Paypal

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Product Catalog
Theodolite and Auto Level
42 Products
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Basic Info
  • Model NO.: At-B4A
  • Model: Topcon Auto Level at-B4
  • Transport Package: Carton
  • Origin: China
  • Accuracy: 32X
  • Trademark: Topcon
  • Specification: CE
  • HS Code: 9015800090
Product Description
World-Proven Precision and Durability

Topcon Auto Level At-B4A
Specifications ModelAT-B4A
Length215mm (8.46in.)
Objective aperture42mm (1.65in.)
Resolving power3"
Field of View
(at 100m/328ft.)
(2.3m / 7.5ft.)
Minimum focus0.2m (7.9in.) from end of telescope
0.3m (1ft.) from instrument center
Reticle patternWedge
Stadia constant0
Stadia ratio100
Focusing knob2-speed
Sighting aidPeep sight
Lens hoodRetractable
Accuracy (standard deviation for 1km double run leveling)
Without micrometer0.7mm
With micrometer0.5mm
TypePendulum compensator with magnetic damping system
Setting accuracy0.3"
Working range±15'
Circular level
Sensitivity10' / 2mm
Horizontal circle
Diameter103mm (4.1 in.)
Graduations1° / 1gon
Horizontal motion driveClampless, endless, double-sided knobs
Water resistanceIPX6 (EC 60529:2001)
Operating temperature-20 to +50°C (-4 to +122°F)
Width130mm (5.12in.)
Length215mm (8.46in.)
Height140mm (5.51in.)
Weight1.85kg (4.1 lb.)
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Mr. Yue San Yang
General Manager
To: Mr. Yue San Yang

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