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Measuring prisms reflect light signals emitted by total stations and other instruments, assisting in distance measurement. With their precise optical design, they can extend the measurement range and improve accuracy, and are widely used in geodesy, engineering surveying, mapping, and other fields.
L-bar prism is small and easy to carry, and its L-shaped design allows it to adapt flexibly to complex measurement environments, providing reliable support for accurate data acquisition in scenarios such as tunnel monitoring and building settlement observation.
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Fuzhou, ChinaMeasurement Prism and L-bar Mini Prism
Measurement Prism:
Product Overview: measurement prisms are used to reflect the light signals emitted by total stations and other devices, assisting in distance measurement. They are often equipped with adjustable brackets, enabling quick horizontal and vertical (pitch) adjustments to ensure accurate reflection.
Scope of Use: widely used in engineering distance measurement, such as distance measurement in road and bridge construction, as well as in topographic surveying and other fields.
L-Bar Prism
Product Overview: the L-bar prism generally has an L-shaped structure, fixing the prism on a dedicated rod for easy placement in specific scenarios and ensuring stable signal reflection.
| Specifications: | |
| Shape: | Circular |
| Diameter: | 1" (25.4 mm) |
| Type: | Copper-coated |
| Onboard Circular Bubble: | No |
| Holder/Assembly: | L-Bar |
| Constant/Offset: | +8.9 mm |
| Holder Height: | 60 mm |
| Holder Material: | Metal |
| Available Holder Color(s): | Black |
| Accessories: | L-Bar |
| Range: | 6500 ft (2000 m) |
Scope of application:
1.Geodesy: used to measure parameters such as the shape, size, and gravitational field of the earth’s surface, accurately calculate the coordinates of each point, and establish a geodetic network.
2.Engineering surveying: in the construction of roads, bridges, tunnels, buildings, etc., measurement prisms and L-bar mini prisms are used in the planning, design, construction, and acceptance stages of projects.
3.Mine surveying: in the exploration, mining, and pit closure stages of a mine, the survey prism can be used to map the mine topography, determine the location and shape of the ore body, and plan the mining roadways; the L-bar mini prism can be used for underground measurement, such as measuring the slope and cross-section of the roadways, and timely detecting problems such as ground collapse and roadway deformation.
4.Deformation monitoring: used to monitor dams, bridges, high-rise buildings, slopes, etc.
5.Cadastral surveying: in land management and real estate development, used to determine the boundary, area, and topography of land.


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