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Cleaning Effectiveness Per Amp Rating
This is
m
an Amp rating. Amps do
m
measure dirt removal, only the amount
of electricity used. Cleaning Effectiveness Per Amp is determined by dividing
this model’s Cleaning Effectiveness* by its Amps.
,*Cleaning Effecthfeness is the percent value obtained from dividing:
I(a)
the geometric mean of the amount of embedded carpet dirt removed in
testing under ASTM Test Method F808-89, by
(b) the value 29 (the geometric mean of the midpoints of the % Dirt Pick Up
Scales of ASTM
F1411
Buyers Guide).
28