Lighthouse ActiveCount100 Operating Manual
248083444-1 Rev 2 P a g e 13 of 40
Sampling Modes
Constant and Periodic Sampling Modes
ActiveCount100 supports two sampling modes:
Constant – samples continuously for a user-specified volume of air
Periodic – samples periodically for a user-specified time and volume
ActiveCount100 continuously samples until it reaches the desired sample
volume at 100 liters per minute ± 4%.
For the example below, select 1,000 liters of air as the desired volume.
ActiveCount100 performs the following calculation to determine the sampling
period is 10 minutes.
1,000 liters ÷ 100 liters/minute = 10 minutes
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