The ASM 825A is an improved version of the 825 and is a proven tribometer / slip meter used to determine if a floor or walkway is safe according to ASTM, ADA and other standards. Many types and designs of slip meters or friction measuring devices have been developed in the past. Most are bulky, cumbersome designs and have limitations or restrictions, i.e. wet testing with repeatability. Few are intended for actual use in field testing, but rather are designed for lab testing.
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