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Teledyne API Ultrafine Particle Monitor - Model 651 Particle Counting
07506C DCN6727 65
Totalizer Mode
The Totalizer mode counts the number of particles in a given time
period. This mode is used primarily to improve counting resolution
at very low particle concentrations, but it can also be used to take
an average over a user-specified time period.
The time, number of counts, accumulated sample volume, and
particle concentration are shown on the display. The time is the
actual sample time and is shorter than the elapsed time (beginning
when the Totalizer is started).
The Totalizer automatically stops when 3600 seconds of sample
time have been accumulated.