Swiss Style High Quality Triple GPR1 Prism for Total Station – Precision Surveying Instrument
Product Overview
The Swiss Style High Quality Triple GPR1 Prism is a precision-engineered surveying reflector designed for total stations used in geodetic, construction, and topographic measurements. Developed to deliver highly accurate and reliable distance and angle data, this prism set includes three precisely aligned GPR1-type prisms mounted in a durable and weather-resistant frame.
This prism configuration is particularly beneficial for long-range and high-accuracy applications, as the triple-prism arrangement enhances reflectivity and provides a stable and highly visible target for total stations, even in challenging conditions. The Swiss-style design ensures full compatibility with Leica-type total stations and offers seamless integration into professional surveying workflows.
Key Features
- Triple GPR1 Prism Configuration
- Features three GPR1 prisms, aligned for maximum reflectivity and signal return from all directions.
- Swiss-Style Design
- Engineered to match Leica-compatible systems for easy integration and high-precision targeting.
- Durable Construction
- Built with a high-strength, weather-resistant frame suitable for outdoor use in varying environments.
- High Reflectivity and Accuracy
- Each prism is manufactured with optical-grade glass to ensure low deviation and precise reflection of EDM signals.
- Protective Housing
- Includes a protective structure that shields the prisms from dust, moisture, and accidental impacts.
- Universal 5/8” x 11 Thread
- Compatible with standard tribrachs and prism poles for quick deployment.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Swiss Style Triple GPR1 Prism |
| Prism Type | GPR1, Triple Configuration |
| Reflector Constant | -34.4 mm (typical for GPR1) |
| Prism Accuracy | ±2 arc seconds |
| Prism Material | Optical Glass |
| Prism Diameter | 62 mm each (typical) |
| Mounting Thread | 5/8″ x 11 Female |
| Housing Material | Reinforced Polycarbonate/Metal Frame |
| Operating Temperature Range | -30°C to +65°C |
| Storage Temperature | -40°C to +75°C |
| Weather Resistance | IP65 or equivalent (dust and water-resistant) |
| Weight | Approx. 1.2 kg |
| Color | Red/Black (standard high-visibility colors) |
Applications
- Geodetic Surveying
- Suitable for high-precision distance and angular measurements across varied terrains.
- Construction Layout
- Ideal for site layout and control in building and infrastructure projects.
- Topographic Mapping
- Ensures accurate elevation and contour mapping with reliable signal returns.
- Monitoring and Deformation Surveys
- Used in tunnels, bridges, dams, and landslide monitoring applications due to its stable reflective properties.
- Boundary and Utility Surveys
- Enhances productivity in cadastral, pipeline, and electrical layout surveys.
Benefits
- Enhanced Signal Return
- Triple prism design amplifies return signal strength for long-distance targeting.
- Full Compatibility
- Designed for seamless use with Leica-style total stations and compatible brands.
- High Visibility and Stability
- Bright housing and triple geometry provide a stable and easily detectable target.
- Professional-Grade Accuracy
- Low beam deviation ensures precise distance calculations, even in poor lighting.
- Extended Lifespan
- Built to withstand field conditions with corrosion-resistant materials and shock protection.
Package Includes
- 1 x Swiss Style Triple GPR1 Reflective Prism
- 1 x Protective Foam-Lined Carry Case
- 1 x Adapter for 5/8” Mounting
- 1 x User Instruction Sheet
Maintenance Tips
- Clean prisms gently with lens-safe cloth and optical cleaner.
- Store in the carry case when not in use to avoid scratches or breakage.
- Avoid dropping or exposing the unit to harsh chemicals or solvents.
- Periodically inspect mounting threads for dirt or wear.
Comparison Table: GPR1 Single vs. GPR1 Triple Prism
| Feature | Single GPR1 Prism | Triple GPR1 Prism |
|---|---|---|
| Reflector Constant | -34.4 mm | -34.4 mm |
| Prism Count | 1 | 3 |
| Signal Strength | Standard | Enhanced |
| Visibility | Standard | High |
| Suitable for Long Range | Moderate | Excellent |
| Construction Applications | Yes | Yes |
| Monitoring Use | Occasional | Frequent |
| Cost Efficiency | High | Moderate |
Why Choose the Swiss Style Triple GPR1 Prism
- Trusted design used by professionals in high-accuracy environments.
- Swiss-style build ensures full system compatibility and durable field performance.
- Triple prism design provides redundancy and strength, especially valuable for automated and robotic total stations.
- Reliable option for engineering firms, geospatial professionals, and land surveyors.
Frequently Asked Questions (FAQs)
Q1: Is this prism compatible with all total stations?
A1: The Swiss Style Triple GPR1 Prism is specifically designed for Leica-type total stations, but it is also compatible with other models that accept -34.4 mm prism constants and standard 5/8” x 11 mounting threads.
Q2: What is the advantage of having three prisms instead of one?
A2: A triple prism enhances signal return, provides better visibility from different angles, and improves accuracy in robotic and long-range applications.
Q3: Can I use this prism in rainy or dusty conditions?
A3: Yes, the housing is weather-resistant and built to IP65 standards, making it suitable for outdoor use in varying weather conditions.
Q4: Is calibration required before using this prism?
A4: No regular calibration is required. However, it is recommended to check for alignment and cleanliness before use for optimal results.
Q5: What kind of maintenance does this product need?
A5: Basic maintenance includes regular cleaning of the prisms and checking mounting threads. Store in the provided case when not in use to protect the optics.
Conclusion
The Swiss Style High Quality Triple GPR1 Prism for Total Station offers unmatched accuracy, strength, and reflectivity for professional surveying tasks. Its triple prism configuration ensures reliable signal capture in complex environments, while the robust Swiss-style design ensures compatibility and durability. A preferred choice for high-precision applications, this prism is ideal for geodetic, construction, and monitoring use where reliability is non-negotiable.
Whether you’re managing an infrastructure project or conducting topographic surveys, this high-performance prism ensures your measurements are always on target.














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