This option is enabled by default. If it is
enabled, a message appears when the fit
factor for any exercise exceeds the value
entered. The test continues regardless of the
alert. The purpose of the alert is to inform an
inexperienced fit test operator that something
may be wrong, such as a blocked sample tube.
If this option is enabled, the value should be
set at a fit factor level that will almost never
occur unless something is wrong. A blocked
respirator sample tube will often result in fit
factors well over 500,000. The default fit factor
value is 100,000; however, you may have to
select a higher value more appropriate for the
types of respirators you use and other
considerations.
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