GEODETIC SURVEY INSTRUMENTS
Prism Target
This unit consists of a mini prism mounted on a universal joint such that it can be oriented in any direction as required. A copper coated prism is used in the target. Convergence bolt of zinc plated steel constructions with protective cap, an adaptor with a plastic reference break-off point is available with the supply.
Specifications
The break-off point adaptor is required to mount the target on the convergence bolts. The prism target and its mounting components are is made of high performance materials and precise manufacturing processes. The target is thus, interchangeable.
|
Measuring range |
Approximately 0.3 m to 600 m |
|
Manufacturing accuracy |
± 0.1 mm |
|
Addition constant |
+17.5 mm |
|
Prism target material |
Prism support is plastic, mounted on universal joints |
|
Protective cap material |
Red polyvinyl chloride |
|
Break-off point material |
Plastic – Acetal |
|
Convergence bolt sizes |
8 mm dia x 170 mm 12 mm dia x 170 mm optional |
|
Convergence bolt material |
Galvanised steel rebar with stainless steel threaded stud |