and Safety Engineering utilizes state-of-the-art equipment that
is recognized by leading forensic practitioners and the scientific
community for the evaluation of walking surface accidents.
of walking surfaces under both dry and wet conditions is performed
using the English XL tribometer. A tribometer is a device that
measure pedestrian slip resistance. It is identified in ASTM standards
as the Variable Incidence Tribometer (VIT).
program developed and administered by the International
Safety Academy (ISA) in cooperation with William
English, Inc has been implemented to certify users of the Variable
Incidence Tribometer (VIT). This is currently the only certification
program for a tribometer, and the VIT is the only device that has a