GDF121 tribrach without optical plummet 1

GDF121 tribrach without optical plummet 2

GDF121 tribrach without optical plummet 3

Leica Style

GDF121M Tribrach without Optical Plummet

Name: GDF121M Tribrach without Optical Plummet
Brand: Leica Style
SKU: TRB06
Price: 200.00 USD
Availability: InStock

$200.00

4.5

The GDF121M Tribrach without Optical Plummet is a lightweight yet sturdy mounting device, compatible with Leica TPS and other similar surveying instruments. With an 8' circular vial and a standard 5/8x11 thread, it provides secure attachment and precise leveling for surveying applications in various situations.

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Product Information

Professional Tribrach for Precise Instrument Mounting

The GDF121M tribrach delivers reliable instrument mounting for professional surveyors who demand precision without the complexity of optical plumbing systems. Built for compatibility with Leica TPS and similar surveying instruments across diverse field conditions.

Universal Compatibility

Engineered with standard 5/8x11 threading to ensure seamless compatibility with Leica TPS systems and other major surveying instruments. This universal approach eliminates compatibility concerns and reduces the need for multiple mounting accessories in your equipment kit.

Precision Leveling System

The integrated 8-minute circular vial provides accurate leveling reference for optimal instrument positioning. This precision bubble system ensures your measurements maintain the highest accuracy standards, even when working on uneven terrain or challenging survey sites.

Key Advantages

Lightweight construction reduces equipment load without sacrificing stability
Streamlined design eliminates optical plummet complexity for faster setup
Durable materials withstand demanding field conditions and frequent use
Cost-effective solution for projects not requiring optical centering
Standard threading ensures broad instrument compatibility across manufacturers

Model: GDF121M

Compatible: Leica TPS & other surveying instruments

Circular Vial: 8' accuracy

Thread: 5/8x11 standard mounting thread

Color: Leica Green

Weight: 1.80 lbs.

Features :

Universal Compatibility

Standard 5/8x11 thread fits Leica TPS and most major surveying instruments

Precision Leveling

8' circular vial provides accurate leveling for consistent measurement accuracy

Lightweight Design

Optimized weight reduces fatigue during extended field operations

Secure Mounting

Robust construction ensures stable instrument attachment in all conditions

Field Durability

Weather-resistant materials withstand harsh surveying environments

Cost-Effective Solution

Essential tribrach functionality without optical plummet for budget-conscious projects

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Reviews :

4.8/5

★★★★★

Based on verified reviews

★★★★★

Marcus Rodriguez

Senior Land Surveyor · Verified Purchase

Excellent Build Quality and Compatibility

This tribrach has exceeded expectations with our Leica TS16 total station. The 8' circular vial provides precise leveling, and the construction feels solid despite the lightweight design. Perfect for extended field work where equipment weight matters.

★★★★★

Sarah Chen

Project Engineer · Verified Purchase

Reliable Performance in Demanding Conditions

Used this tribrach on a challenging topographic survey in variable weather conditions. The threading mechanism operates smoothly, and the vial maintains accuracy even after rough transport. Highly recommend for professional applications.

★★★★★

David Thompson

Geospatial Technician · Verified Purchase

Cost-Effective Solution Without Optical Plummet

For projects where optical plummet isn't required, this tribrach offers excellent value. The standard 5/8x11 threading ensures compatibility with our existing equipment setup. Sturdy construction that handles daily field use exceptionally well.

★★★★☆

Jennifer Walsh

Survey Crew Chief · Verified Purchase

Solid Performance with Minor Considerations

The tribrach performs well for standard surveying tasks, though the absence of optical plummet requires alternative centering methods. Build quality is impressive for the price point, and the leveling mechanism responds accurately to adjustments.

★★★★★

Robert Kim

Principal Surveyor · Verified Purchase

Professional Grade Quality at Competitive Price

This tribrach has become a reliable component in our instrument collection. The lightweight design reduces fatigue during long survey sessions, while maintaining the precision required for boundary and construction surveys. Excellent investment for any surveying operation.

What's in the Box

Everything you need to get started.

✓ 1× GDF121M Tribrach Assembly
✓ 1× 8-Minute Circular Bubble Vial
✓ 1× 5/8×11 Thread Mounting Base
✓ 1× User Manual

Note: Optical plummet, tripods, and surveying instruments sold separately.

Frequently Asked Questions

General

✓ What instruments are compatible with the GDF121M Tribrach? ▾

The GDF121M is specifically designed for compatibility with Leica TPS series instruments and other surveying equipment utilizing the standard 5/8x11 threading system. This makes it suitable for most professional total stations and theodolites from various manufacturers.

✓ How do I level the tribrach without an optical plummet? ▾

The GDF121M features an 8-minute circular bubble vial for precise leveling. Use the three leveling screws to center the bubble in the circular vial. For horizontal positioning over survey points, rely on your instrument's built-in laser plummet or use external centering methods such as a plumb bob or separate optical plummet.

✓ What are the weight specifications and construction materials? ▾

The GDF121M is engineered as a lightweight yet robust mounting solution, constructed from high-grade aluminum alloy for optimal durability while minimizing field transport weight. The precise weight specifications and detailed material composition are available in the technical documentation provided with the unit.

✓ Can this tribrach be used with different tripod systems? ▾

Yes, the GDF121M features the industry-standard 5/8x11 thread pattern, making it compatible with most professional surveying tripods including wood, aluminum, and carbon fiber models from major manufacturers. This universal threading ensures versatile field deployment across different equipment configurations.

✓ What maintenance is required for optimal performance? ▾

Regular maintenance includes cleaning the tribrach body and leveling screws with appropriate solvents to remove dirt and debris. Periodically inspect the circular vial for proper bubble movement and accuracy. Store in protective carrying case when not in use and avoid impact damage to maintain the precision of the leveling mechanism.

Still have questions? Contact our technical support team.

Shipping:

Origin: We fulfill orders from our global logistics network / production centers.
Typical delivery times:
- US & EU: 7–12 business days
- Global: 10–15 business days
Tracking: Every shipment includes end-to-end tracking.
Duties & taxes: Calculated at checkout where available, or payable upon import per local rules.
Dispatch time: Usually 1–3 business days after order confirmation (we’ll notify you if an item needs extra prep).
Partial shipments: If a multi-item order is ready in stages, we may ship available items first.

Returns:

Return window: 14 days from delivery for unused items in original packaging (exceptions: consumables and custom builds).
Return address: We’ll provide a regional return address when you open an RMA (US or EU where applicable).
Refunds: Processed within 5–7 business days after inspection.
Exchanges: Fast replacement dispatch once the RMA is approved.

Warranty & Service:

Coverage: All instruments include manufacturer warranty.
Support: Remote onboarding (setup call + quick-start materials) and priority email support.
Repairs & calibration: We coordinate with authorized service partners as needed.

Support

Manufacturer warranty: All instruments include official warranty per brand policy.
Remote onboarding: We help you get started—video call + setup checklist + quick-start PDF.
Technical support: Priority email response; diagnostic help for connectivity, firmware, and workflows.
Repairs & calibration: We route service through authorized partners; we’ll coordinate logistics and keep you updated.

FAQ

Q: Where are you located?
A: Metricop is a specialized online store registered in the US & EU. We ship globally with tracking.

Q: Where do you ship from?
A: From our global logistics network / production centers. Typical delivery for US/EU is 7–12 business days (global 10–15).

Q: Do you offer warranty?
A: Yes - manufacturer warranty on all instruments. We also provide remote onboarding and coordinate service with authorized partners.

Q: How do returns work?
A: Start an RMA within 14 days of delivery. We’ll provide a regional return address (US/EU where applicable).

Q: Can I get a formal quote?
A: Yes - use Request for Quote. We typically reply within 2 business hours.

Q: Payment methods?
A: Major cards and bank transfer. For business purchases we provide tax-compliant invoices.