AJ10-B3 Topcon Type Tribrach without Optical Plummet for Survey Instrument
Model: AJ10-B3
Specifications
| Model | AJ10-B3 |
| Color | Black |
| Optical Plummet | No |
| Weight | 670g |
| Material | Aluminum |
| Package | Individual Box Package |
| Accuracy | Torsional stiffness <2" |
| Type | Survey Instrument Accessory |
| Bubble | 8' Circular Bubble |
| Used For | All motorized instruments |
Features:
* Topcon style tribrach with optical plummet for Tripod Total Station Theodolite Auto Level etc.
* Tribrach with 5/8”thread at bottom is an attachment plate used to attach a surveying instrument
* Easy to carry and use. High quality and accuracy products 8-minute circular vial
* Footscrews have a large diameter for fine adjustment even when wearing gloves
* Three screw-leveling with center line
Leosurvey Tribrach
Similarly to the stability of the tripod, that of the tribrach is a significant factor in measurement accuracy. The torsional rigidity, the most important criterion of a tribrach, is constantly controlled and tested during its production. The maintenance-free foot screws of the Leosurvey tribrach provide movement that is always smooth and free of play, even after years of use. 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. Its construction predestines the tribrach for all applications, including extreme temperatures and high dust and humidity.
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 Professional 3000 Series tribrachs amounts to a maximum of 3" (1.0 mgon). The foot screws are maintenance-free and have a larger diameter.
Can a tribrach be used with a total station?
You can use a laser tribrach with any type of laser measuring tool, but you can also use it with a total station or any other surveying instrument. This device will allow you to attach your instrument to a tripod, so it can be more stable while you’re using it.
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AJ10-B3 Topcon Type Tribrach Adaptor Without Optical Plummet Images
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