GeoMax L-Bar Monitoring Prism FrogWear PERMAMARK plastic caps are easy

PERMAMARK plastic caps are easy to tap on rebar or pipe and are available with your name and number

This allows more accurate measurement along the length of the ruler

For the HC2 and old models of the HC3 data collectors

Keson White Wood Folding Ruler

GeoMax L-Bar Monitoring Prism FrogWear PERMAMARK plastic caps are easyGeoMax L Bar Monitoring Prism Features The L Bar Monitoring Prism is a compact and versatile optical target used with automated total stations (AMTS) to monitor displacements and deformations of structures Suitable for a wide range of applications, the L Bar Monitoring Prism can be installed on tunnel walls, building facades, foundation slabs, retaining walls and bridge decks The prism offset is dependent on the mounting position Range 2000 m (7000 ft)