Products Ultrasonic instrument "TICO" Corrosion analising instrument "CAIN" DYNA Extraction tester Permeability tester "TORRENT" for concrete strucures Pull-off tester for concrete "WIGA bloc ELASTO" cell for measuring compression forces "WIGAring DMS" cell for measuring static and dynamic tensile forces "WIGA bloc ELASTO" cell for the long duration measurement of tensile forces Rebar locator " PROFOMETER 4" Concrete tester "SCHMIDT"		''WIGA ring ELASTO'' CELL FOR THE LONG DURATION MEASUREMENT OF TENSILE FORCES - PROCEQ , SWITZERLAND     DESIGN : long term monitoring of tensile forces. TECHNICAL DATA : measuring range : 500÷10.000 kN ( in 26 steps ); accuracy : ± 1% in the range of 10 - 100 % of the nominal load.