The Cooper-Wessex skid resistance tester CRT-PENDULUM (also known as British Pendulum Tester) is one of the best portable skid resistance tester in the world.
The Cooper-Wessex Polish Paver Machine CRT-PPM is specifically designed to meet international standards for the determination of the Polished Paver Value (PPV)
The Cooper-Wessex Accelerated Polishing Machine CRT-APM is the industry standard device for the determination of the Polished Stone Value (PSV)
The Cooper-Wessex Aggregate Abrasion machine CRT-AAM determines the Aggregate Abrasion Value (AAV) by measuring the resistance of aggregate to surface wear by abrasion