Lighthouse ApexP3, Руководство по эксплуатации

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Operate the ApexPortable
248083440-1 Rev 5 5-15
Note:
If BEEP mode is
set to one count, each
beep may not be for every
single count.
• The data will be recorded based on the set sample and hold times
and can be viewed in the View Buffer and on the printouts. There
will be no indication on the record that the data was saved while the
instrument was in BEEP mode.
• CONC (Concentration Mode) - When the instrument is in
Concentration mode, it shows the calculated concentration of
particles in a volume of air measured and displayed on the MAIN
screen in either counts per cubic foot or per cubic meter.
Note:
The sample time
for Auto, Manual and Beep
modes count down and the
sample times for
Concentration mode count
up.
Counting starts shortly after the START button is pressed and it will
continue until the STOP button is pressed or the sample time runs
out. The sample time for Concentration mode is six seconds. As the
sample time on the MAIN screen counts from one to six, the
particle counts are updated continuously.
Concentration data will be recorded and can be viewed in the Data
screen and on the printouts.
FORMAT
Instrument data is displayed as Differential (DIFF) or Cumulative
(CUML) counts. For clarity, cumulative mode shows all counts from
channel size of interest and above and displays on MAIN as
.
Differential mode shows all counts from channel size of interest to next
channel size and displays on MAIN as the delta
.
The data format is either Raw (RAW) or Normalized (NORM). Raw
data displays the actual number of particles counted. Normalized data
shows particle concentrations calculated from the raw data based on the
settings chosen (ft
3
or m
3
).
• Volume of Air = Sample time (minutes) x FlowRate (CFM)
• Normalized Data = Number of Particles/Volume of Air
Press BACK to return to the Configuration screen or press MAIN to
return to the MAIN screen.