Excel Tribometers, LLC specializes in the English XL Variable Incidence Tribometer, a slipmeter designed to evaluate walking surfaces and monitor cleaning quality on hard floors. The instrument mimics significant biomechanical parameters of human walking gait and is known for its precision, portability, and ease of use. Excel Tribometers offers competency certification programs, efficient support for calibration and repairs, and ensures reliability through quality construction. The company's tribometers have wide acceptance among various users, including insurance companies, consultants, and governments, due to their validity on wet surfaces and court acceptance.