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Tribrachs & Adapters by SECO

European-Style Tribrachs

These high-quality tribrachs are available with or without an optical plummet!  The #2152-05-BLK, with optical plummet, features a 2X magnification and a twist focus.  Its reticule is composed of two small concentric circles.  With a sighting distance of 0.3 m to 15 m, the tribrach has an accuracy of 0.5 mm per 1.5 m.  Both of these have a locking forced-centering knob, a 5/8 x 11 base and an 8-minute circular vial.  Each weigh 1.55 lb (0.70 kg).
2152-05-BLK Top with Optical Plummet
2153-05-BLK Bottom without Optical Plummet

Optical Plummet Twist Focus Tribrach

    
Features a twist focus, 2.5X magnification and leveling screws with center line.  Eight minute circular vial, three-prong forced centering, and a 5/8 x 11 base.  Easy plummet adjustment is achieved using four opposing screws.  Optical plummet has a focusing range of 1.5 to 50 feet. Weighs 1.85 lb (.84 kg).
2152-04-XXX Available in black, green, yellow, or grey.

Tribrach Case

This padded carrying case for tribrachs has a heavy-duty zipper, dust flaps and nylon carrying straps.  6 x 6 x 2 in (15.24 x 15.24 x 5.08).  Weighs 0.40 lb (0.18).

Part # 8071-00-ORG

 

Tribrach Adjusting Cylinder 2001-00 Use for checking and adjusting optical plummet tribrachs in the office.  Precision-machined, black anodized aluminum.  Weighs .7 lb (.32 kg).

 

Tribrach Adjuster 2002-00 Use for checking and adjusting optical plummet tribrachs & tribrach bubbles.   Precision-machined, black anodized aluminum with 2 minute bubble.

 

Rotating Tribrach Adapter 2020-00 Rotating friction top tribrach adapter allows the prism to be pointed after installation in the tribrach.  Weighs 0.9 lb (.41 kg).

Prism H. T. Adapter 2071-00 This adapter allows adjustment of the prism height by moving the threaded brass insert in the adapter.  It fits all standard tribrachs and allows 2 inches of adjustment.  Weighs 1.91 lb (.87 kg).

Fixed Tribrach Adapter 2010-00 Use for mounting retro prisms and tripod mounted target systems.  Fits all "wild type" tribrachs with 5/8 x 11 mounting stud.  Weighs .5 lb (.23 kg)

Rotating Tribrach Adapter 2070-00 This adapts retro prisms to "wild-type" tribrachs and has a removable Zeiss plug and locking screw.  Weighs 1.75 lb (.8 kg).

Horizontal Base 2021-00 The horizontal base will accept any 5/8 x 11 instrument and features a precision brass slow motion tangent screw.  It's great for dual axis lasers.  Weighs 3 lb (1.36 kg).

 

 

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