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Tribrach

Tribrach

Product Code : JA-SI-6413

The Tribrach (SKU JA-SI-6413) is the three-screw levelling base that sits between a tripod and a surveying instrument or target. This model has a circular bubble and no optical plummet and accepts an adaptor, so a total station, theodolite or prism can be lifted out and replaced on the same set-up without re-centring. It is supplied by JaincoLab to survey teams and college surveying laboratories.

Specifications

The listing specifies a tribrach with a circular bubble and without an optical plummet, made for accepting an adaptor; thread size, colour and adaptor type are not stated and are confirmed on the quotation.

ProductTribrach
SKUJA-SI-6413
TypeTribrach (levelling base)
Levelling bubbleCircular bubble
Optical plummetNot fitted
UseFor accepting an adaptor

Applications of the surveying tribrach

Tribrachs are used when instruments and targets must be exchanged over the same station, for example in traversing with a total station and prisms, because the base stays centred and levelled on the tripod.

  • Exchanging a total station and prisms on the same stations during traversing
  • Levelling instruments and targets on a tripod
  • Keeping a set-up location when swapping instruments
  • Surveying practicals on forced centring

Scope of supply and ordering

The listing covers one tribrach with circular bubble and without optical plummet. The adaptor, thread type and any carrier are confirmed on the quotation. Accessories, spares and quantities are confirmed on the quotation.

Minimum order quantity, lead time and packing are confirmed on each quotation for the number of tribrachs and the delivery destination. JaincoLab supplies single tribrachs and sets matched to total stations and prisms for colleges and survey teams.

Frequently asked questions

Does this tribrach have an optical plummet?
No. This model has a circular bubble and no optical plummet.

What is a tribrach used for?
It lets instruments and targets be exchanged on the same tripod set-up while the base stays levelled and centred.

Which instruments does it fit?
The thread and adaptor type are confirmed on the quotation; tell us the instrument you use.

Related products

Total stations, theodolites and levels are listed in the JaincoLab surveying instruments range.

Request a quote

To order the Tribrach, send the instrument or adaptor type, quantity and delivery destination through the JaincoLab contact page or email [email protected]. Tender and project enquiries can be sent through the tenders page.

Last updated: September 2026

   
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Office Address

Jain Scientific Suppliers
2475-84, Hargolal Road,
Ambala Cantt, Haryana, India

[email protected]

+91-85699-09696

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