Page 33 - Encardio-Rite Consolidated Catalog - English
P. 33

I GEODETIC TARGET AND SURVEY MARKER







          TARGETS

                                     Targets are extensively used for measurement of deformation during tunneling and subway
                                     construction and for monitoring displacement of a  bridge, dam, slope or building structure.
                                     Model ERT-10B bi-reflex target
                                     ERT-10B consists of reflectors on both sides mounted on a universal joint. The target has a
                                     small centre hole to allow precise targeting. Targets is interchangeable.

                                                                    Specifications
                                                                    Measuring range 1  Typically 12 m to 140 m
                                                                    Material          Reflector support is
              ERT-10B                                                                 plastic, mounted on
                                                                                      universal joints with
                                                                                      reflective foil on both sides.

                                     Model ERT-10P2 prism target
                                     ERT-10P2 consists of a mini prism mounted on a universal joint such that it can be oriented
                                     in any direction as required. The prism is copper coated.

                                                                    Optional components for ERT-10B & ERT-10P2
                                                                    u  Adaptor with a plastic reference break-off point.
              ERT-10P2
                                                                    u  Convergence bolt of zinc plated steel constructions,
                                        Convergence bolt with cap      12 mm diameter x 170 mm long, with 3/8" pipe
                                                                       thread stud with protective cap.

                                     Model ERT-20P2-M1 mini prism target
                                     ERT-20P2-M1 mini prism target consists of a prism mounted on a swivel bracket. The prism is
                                     copper coated.

                                                                    Specifications
                                                                    Measuring range 1  Typically 0.3 m to 600 m
                   ERT-20P2-M1                                      Material          Prism support is
                                                                                      plastic, mounted on a
                                                                                      universal joint.
                                                                    1
                                                                    Maximum measuring distance is highly dependent
                                                                    on atmospheric conditions and EDM model used.


          Settlement points
                                     Model EBS-16 building settlement point
                                     EBS-16 building settlement basically consists of a spherical reference locator with threaded
                                     bolt.
                                     Model EPS-12 pavement settlement point
                   EBS-16
                                     EPS-12 pavement settlement point basically consists of a plastic tapered disc and a special
                                     retaining nail.
                                     Model ESMP-10/ESMP-11 ground settlement point
                                     ESMP-10 comprises of an AISI-304 survey pin having a semi-spherical top. A red coloured
                                     cross mark is provided at its top. Variations (ESMP-11/ESMP-12) are available with extension
                                     rods/anchors to suit  different  applications.
                    EPS-12




                                 ESMP-10/ESMP-11





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