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AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
Specifications
Brand Name :
Leosurvey
Model Number :
AJ12-A4
Certification :
ISO
Place of Origin :
China
MOQ :
5 Pieces
Price :
18USD~25USD
Payment Terms :
T/T
Supply Ability :
500pcs per month
Delivery Time :
3-5 work day
Packaging Details :
Box and Carton
Color :
Pale Green
Torsional Stiffness :
<3"
Condition :
New
Circular Bubble :
8-minute
Leveling Screws :
Large Diameter
Weight :
780g
Suitable For :
Leica TPS Instruments
Catagory :
Survey Instrument Accessory
Description

AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

Model: AJ12-A1

Overview:

Leica type Tribrach Replacement of Original GDF121

Specifications:

Color Circular Bubble Torsional Stiffness Leveling Screws
Pale green 8-minute <3" Large-Diameter

Features:

A. Replacement of Leica GDF121 Tribrach

B. High quality features 3X magnification and a twist focus.

C. With locking forced-centering knob.

D. 5/8*11 base

E.8-minute circular bubble

F. Large-diameter leveling screws

Tribrach

A tribrach is an attachment plate used to attach a surveying instrument, for example a theodolite, total station, GNSS antenna or target to a tripod. A tribrach allows the survey instrument to be repeatedly placed in the same position over a surveying marker point with sub-millimetre precision, by loosening and re-tightening a lock to adjust the instrument base in a horizontal plane.

What is the accuracy of a tribrach?

The accuracy with which a tribrach returns to its starting position once the instrument has stopped, is called torsional rigidity or hysteresis. This hysteresis is the relative movement between the top plate and the base plate of a tribrach that occurs through the rotation of a TPS instrument.

Why does a tribrach need to be adjusted?

The precise alignment of the support area to the base plate of the instrument assures extremely accurate forced centring. The optical plummet is so robust that the need for adjustment during the entire lifetime of the tribrach is practically unnecessary.

How big are the foot Screw on a tribrach?

The hysteresis of the tribrachs amounts to a maximum of 3" (1.0 mgon). The foot screws are maintenance-free and have a larger diameter.

Detailed Pictures for Reference

AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

Product tags

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AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

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Product Detail
Brand Name :
Leosurvey
Model Number :
AJ12-A4
Certification :
ISO
Place of Origin :
China
MOQ :
5 Pieces
Price :
18USD~25USD
Contact Supplier
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment
AJ12-A4 Tribrach without Optical Plummet Leica Type Green For Survey Equipment

Leo Survey Instrument Co.,Ltd

Verified Supplier
5 Years
zhengzhou
Since 2011
Business Type :
Manufacturer, Exporter
Main Products :
Surveying Reflector Prism, Survey Mini Prism, 360 Degree Prism
Total Annual :
3000000-3500000
Employee Number :
100~150
Certification Level :
Verified Supplier
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