Model group definition
Model group means 2 or more similar models that can reasonably be expected to have the same noise levels, but which differ in nonmaterial respects.
Model group means a series of models having the same structural components. Configurations such as two story, L-shaped and bi-level shall constitute separate model groups. Each different width of the above-listed configurations constitutes a different model group.
Model group means indoor air cleaning devices sharing the same design, operational features, device output, and performance characteristics, and manufactured by the same manufacturer. Units in the same model group may be marketed under different brand names. Units that differ only in decorative treatments such as color, remote control, or other cosmetic features not related to ozone output would belong to the same model group.
More Definitions of Model group
Model group means indoor air cleaning devices sharing the same design, operational features, device output, and performance characteristics, and