📡 0–30 mm Offset Big Surveying Prism Full Set

Product Overview: The 0–30 mm Offset Big Surveying Prism Full Set is a high-precision prism system used with total stations and other optical surveying instruments. It ensures accurate distance measurement and alignment for field survey applications. Built with durable materials and a weather-resistant design, it’s ideal for tough site conditions and long-distance survey work.

Key Features:

• Adjustable offset: 0 mm / 30 mm
• Large high-reflective prism for long-distance accuracy
• Heavy-duty metal target plate with clear sighting marks
• Aluminum alloy tripod mount and prism holder
• Waterproof and anti-fog coating for outdoor performance
• Compatible with all major total station brands (Topcon, Sokkia, Leica, Nikon)
• Comes in a complete set with carrying case and mounting accessories

Technical Specifications:

• Prism Constant: 0 mm / 30 mm (Selectable)
• Effective Diameter: 64 mm
• Reflective Range: Up to 2500 m (depending on total station)
• Mount Type: 5/8” thread
• Material: Metal housing with glass prism
• Includes: Prism, target plate, prism holder, protective case

Applications:

• Land and construction surveys
• Topographic and road alignment works
• Engineering and layout projects
• Long-distance and high-accuracy measurements

Robust universal prism with holder and large

• removable target plate of metal.
• The prism tilt is lockable via a clamping screw.
• Included: Prism with holder, target,
• distance adapter Ø 25 mm for Tilting axis 100 mm.
• Adapter for SECO/GS SURVEY plus prism poles: 46-2090-11
• Adapter for NEDO prism poles: 484 708

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The GMP111 mini surveying prism in Bangladesh is suitable for civil engineering projects, construction layout, and infrastructure development. It helps surveyors achieve precise results during daily fieldwork. Moreover, its compact size makes it easy to carry and use on-site.

In addition, this prism features a 30 mm offset design, which improves measurement accuracy and stability. As a result, surveyors can work efficiently in both urban and industrial environments. The prism body is strong and durable, ensuring long-term use in demanding conditions.

Key Features of GMP111 Mini Surveying Prism

• Model: GMP111 Mini
• Offset: 30 mm
• Compact and lightweight design
• High accuracy for land surveying
• Compatible with total station equipment
• Suitable for professional surveying applications

Therefore, the GMP111 mini surveying prism Bangladesh is an ideal choice for land surveyors, civil engineers, and construction professionals who require dependable and precise measurement tools.

Finally, RTC Dhaka supplies original GMP111 mini surveying prisms with reliable quality, competitive pricing, and dependable after-sales support across Bangladesh.
You may also explore our other surveying equipment and total station accessories available at RTC Dhaka.

To learn more about surveying prisms, you can read this detailed guide on surveying prisms:
👉 https://en.wikipedia.org/wiki/Prism_(surveying)

The post -30/0mm Offset GMP111 Mini, New Surveying Prism appeared first on RTC Dhaka.

The double prism optical square is a precision surveying instrument used to set accurate right angles during land survey and construction work. In Bangladesh, surveyors widely use this optical square for alignment, offset measurement, and boundary layout tasks because it delivers quick and dependable results.

Moreover, this surveying tool allows professionals to establish perpendicular lines without complex calculations. As a result, fieldwork becomes faster and more accurate.

🔶 Applications in Land Survey and Construction

Survey professionals commonly use this optical square during road construction, plot demarcation, pipeline alignment, and building layout work. In addition, it performs well in both urban and rural survey environments.

Because the instrument offers direct sighting, surveyors can complete measurements efficiently. Therefore, it helps reduce human error and saves valuable field time.

🔶 Key Features of the Optical Square

• Precision double prism design for accurate 90° measurement
• Strong metal body for long-term professional use
• Lightweight structure for easy field handling
• Suitable for land survey, construction, and civil engineering
• Consistent performance in different site conditions

🔶 Build Quality and Field Performance

This optical square uses quality optical components to ensure clear visibility. Furthermore, the solid construction protects the instrument during regular field use.

Consequently, professionals can rely on this surveying tool for repeatable and dependable results in daily operations.

🔶 Why Buy from RTC Dhaka

RTC Dhaka supplies original surveying instruments and accessories for professional use across Bangladesh. Additionally, every product meets durability and accuracy standards required for fieldwork.

You can also explore other surveying instruments and accessories here:
👉 https://rtcdhaka.com/shop/

For technical background on optical squares, you may read more here:
👉 https://en.wikipedia.org/wiki/Optical_square

🔶 Buy Optical Square in Bangladesh

If you are looking for a reliable and cost-effective optical square, this product is an excellent choice. Overall, it supports accurate alignment and efficient surveying work.

RTC Dhaka continues to support survey professionals with quality products, competitive pricing, and trusted service.

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