Hoover S1223 - Manual (Page 27)

Hoover Factory Service Center or Authorized
Hoover Warranty Service Dealer (Depot)
Do not
if further assistance is needed,
In Canada,
complete
Cleaning Eff Per Amp Rating
This is an Amp rating. Amps do measure dirt removal, only the
amount of electricity used. Cleaning Effectiveness Per Amp is determined
dividing this model’s Cleaning Effectiveness* by its Amps.
*Cleaning Effectiveness is the percent value obtained from dividing:
(a) the geometric mean of the amount of embedded carpet dirt removed in
testing under ASTM Test Method by
(b) the value 29 (the geometric mean of the midpoints of the % dirt pickup
scales
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