90° Copper-Coated Mini L-Bar Monitoring Prism for Total Station
90° Copper-Coated Mini L-Bar Monitoring Prism – Total Station Replacement Reflector
Upgrade your surveying setup with this precision-engineered 90-Degree L-Bar Mini Monitoring Prism. Copper-coated for superior reflectivity and durability, this compact prism is a direct replacement for the GMP104 and is compatible with a wide range of total station instruments. Whether you're working on infrastructure monitoring, construction alignment, or structural displacement surveys, this prism delivers reliable, accurate results every time.
Key Features
- 90° L-Type Design: Engineered for precise angle measurement and stable mounting in demanding field conditions.
- Copper-Coated Reflective Surface: Enhances signal return strength and longevity compared to standard coated prisms.
- GMP104 Compatible Replacement: Drop-in substitute for total station reflector assemblies — no modifications required.
- Wide Application Range: Ideal for monitoring tunnels, roads, bridges, dams, buildings, and other fixed structures for distortion and displacement surveys.
- Universal Compatibility: Suits a variety of total station brands and models, making it a versatile addition to any surveying kit.
- Compact & Lightweight: The mini form factor allows mounting in tight or confined spaces where standard prisms cannot fit.
- Quantity: 1 piece included.
Specifications
- Type: 90-Degree L-Bar Mini Monitoring Prism
- Coating: Copper-coated reflective surface
- Replaces: GMP104 Total Station Prism
- Application: Structural monitoring, displacement & distortion surveying
- Battery Required: No
- Quantity: 1 pc
- Made in Mainland China
Applications
This L-Bar monitoring prism is designed for professionals who need a reliable reflector solution for fixed-point surveying. Mount it on tunnels, bridges, dams, road embankments, retaining walls, or any structural surface requiring ongoing displacement and distortion monitoring. Its compatibility with multiple total station brands makes it a go-to reflector for civil engineers, land surveyors, and construction monitoring teams.
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Note: Please allow 2–3% dimensional tolerance due to manual measurement. Actual product color may vary slightly from images due to differences in display calibration.
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Frequently Asked Questions
Q: Is this 90-degree L-bar mini prism compatible with my total station?
A: This copper-coated 90° L-bar monitoring prism is designed to be compatible with a wide variety of total station brands and models. It is a direct replacement for the GMP104 prism. We recommend verifying your instrument's prism mounting specifications before ordering to ensure a proper fit.
Q: What structures or surfaces can this monitoring prism be mounted on?
A: The L-bar mini monitoring prism is suitable for mounting on tunnels, roads, bridges, dams, buildings, and other fixed construction elements. It is widely used in structural displacement and distortion monitoring surveys by civil engineers and surveyors.
Q: Does this prism require any tools or batteries for installation?
A: No batteries are required — this is a purely optical reflector component. Installation typically involves standard mounting hardware appropriate to your chosen surface. The compact L-bar form factor is designed for easy placement in tight or restricted locations.
Q: How many prisms are included in one order?
A: Each order includes 1 piece of the 90° copper-coated L-bar mini monitoring prism.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.