Lighthouse Handheld 3016 IAQ, Operating Manual

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Operation - Mass Concentration Mode
5HY 5-7
• Service Indicator: Indicates that the instrument may be in need of
service. If wrench displays, please contact your authorized
Lighthouse Service Provider for assistance or send an e-mail to
techsupport@golighthouse.com.
• — : The mu symbol indicates the particle sizes, in micrometers,
configured for the instrument.
• DATA DISPLAY: indicates whether the counts are being displayed
in PM or UGR and when the counts are normalized to ft
3
or m
3
.
• Analog Data: Gives a snapshot view of the enabled analog
channels. (Analog channels are enabled by default.)
• MODE: Displays the current mode selected; possible modes are
AUTO and MANUAL.
• CYCLES: Indicates the number of times that the count will be
taken at a given location in Auto mode. “1/ 3" indicates that the last
completed count was the first of three samples to be recorded at this
location. The maximum number of cycles is 999. When set to 0, the
unit will run in Auto mode continuously until the STOP button is
pressed.
• SAMPLE: The Sample Time (hh:mm:ss) is the duration of one
counting cycle. The Sample Time will count down on the MAIN
screen when the instrument is in AUTO or Manual mode so you can
see how much time remains in the sample period. In Concentration
mode, the Sample Time will count up to 6 seconds per cycle.
Note:
If Hold time is
greater than 1 minute, the
pump will stop during that
time. At the end of the hold
time, the pump will restart.
• HOLD: Displays the hold time in between cycles. The maximum
hold time is 99 hours, 59 minutes, 59 seconds.
• RECS: This displays the current number of records stored in the
instrument and the total number of records that can be stored. The
data buffer is a circular buffer. The HANDHELD can store up to
3000 records. An asterisk (*) will appear in front of counts when
the buffer wraps.