BLUE STEEL ENGINEERS OFFERS THE DIGITAL HARDNESS TESTER [DUROMETER] WHICH USED FOR THE DETERMINATION OF THE INDENTATION HARDNESS OF RUBBER, PLASTIC, LEATHER, WOOD AND OTHER SIMILAR MATERIALS. THE FORCE IS APPLIED BY A SPECIALLY DESIGNED SPRING HOLD IN A LOAD CELL SCREWED ON TO THE BODY OF THE TESTER. THE LOAD CELL CAN THUS BE EASILY TRANSFERED IN CASE OF WAER AND TEAR AFTER A LONG USE. TO REMOVE ERRORS RECEIVED FROM VARIOUS CONTACT PRESSURES APPLIED BY THE OPERATORS, THESE TESTERS HAVE FURTHER BEEN INCLUDED WITH VERY SPECIAL SPRINGS CONTAINED IN THE OUTER BODY GIVING A SPECIFIED CONTACT PRESSURE REMAINS CONSTANT AS PER INTERNATIONAL SPECIFICATIONS IRRESPECTIVE OF THE OPERATOR`S HAND PRESSURE-RESULTING IN VERY ACCURATE READINGS. THESE MACHINES ARE HIGHLY PORTABLE. THE DIGITAL DISPLAY PROVIDES READINGS UP TO 0.5 SHORE UNITS AND MISREADING OF THE SCALE IS AVOIDED.