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Views: 0 Author: Site Editor Publish Time: 2026-08-31 Origin: Site
GPH3 Triple Prism Assembly: 3×62mm Copper-Coated Surveying Prism for Long-Range Total Station Work
The GPH3 triple prism assembly is an engineering-grade surveying prism built for professional field teams that need reliable signal return over extended distances. Featuring three 62mm copper-coated prisms mounted in a single black plastic frame, this total station prism delivers triple the reflective surface area of a standard single prism, making it ideal for long-range measurement, construction layout, and topographic survey work.
Each prism is housed in a black canister with a durable plastic holder, protecting the copper-coated optics from dust, moisture, and impact during transport and daily field use. The integrated frame includes a mounting foot engraved with "GPH3" for quick model identification, and the compact horizontal layout keeps the assembly balanced and easy to handle on site.
Technical Specifications
Parameter | Value |
|---|---|
Model | GPH3 |
Prism Type | Triple Prism Assembly |
Number of Prisms | 3 pcs |
Effective Diameter | 62mm (each) |
Prism Offset | 0mm |
Prism Coating | Copper Coated |
Canister & Holder Color | Black |
Canister & Holder Material | Plastic |
Compatibility | Standard total station survey poles |
Key Performance Features
With three 62mm surveying prisms arranged in a horizontal array, the GPH3 provides approximately three times the reflective area of a conventional single prism. This means your total station can lock onto the target faster and maintain signal at longer distances — a critical advantage on large construction sites, highway surveys, and open-pit monitoring projects where line-of-sight distances regularly exceed the range of a single prism setup.
Each of the three prisms features a copper-coated reflective surface. Copper coating is preferred by professional surveyors for its high reflectivity and consistent signal return across varying light conditions, from bright midday sun to overcast mornings. The orange-copper tint is clearly visible in the field, helping instrument operators spot the surveying prism quickly even at distance.
The GPH3 comes with a factory-set 0mm prism offset, eliminating the need for manual offset correction in your total station settings. This reduces setup errors and ensures that every measurement taken with this total station prism reflects the true target position — especially important for deformation monitoring, boundary surveys, and any project where millimeter-level consistency matters across multiple crew members or instrument setups.
The black prism canisters and holder are constructed from durable plastic, chosen for its lightweight properties and resistance to impact and corrosion. The one-piece frame protects all three prisms during transport and provides a stable platform when mounted on a survey pole. The black finish reduces glare and keeps the assembly looking professional even after months of daily field use.
Long-range construction layout — triple the reflective area means faster lock-on at distance
Highway and road surveys — consistent signal return across open, exposed corridors
Topographic and boundary surveys — 0mm offset simplifies setup and reduces crew errors
Large-scale site monitoring — suitable for periodic deformation checks on retaining walls and embankments
Mining and quarry surveys — durable plastic housing stands up to dusty, high-vibration environments
Each of the three prisms in the GPH3 triple prism assembly has an effective diameter of 62mm, giving the unit a combined reflective surface well suited to long-range total station work.
No. The GPH3 surveying prism is factory-calibrated with a 0mm offset, so you can set your total station offset to zero and take measurements directly without manual correction.
Yes. The GPH3 total station prism features a standard mounting foot that fits common survey poles and bipods, making it easy to integrate into your existing field equipment setup.
The GPH3 triple prism assembly is a reliable, high-signal surveying prism for professional teams that need consistent performance over long distances. Whether you are outfitting a single crew or stocking inventory for wholesale distribution, we can support your order volume and delivery schedule.
Contact us today for wholesale pricing, bulk order availability, and custom packaging options. Request a quote and our team will respond within one business day.
