ACM 150
74
In Demand Scan the infrared spectrum is displayed, and it may be expanded for
viewing by touching the display. At the same time, the data and the spectrum are
archived automatically. The archived spectra may allow an application chemist
identify gases which were in the sampled area at the time but not actively monitored.
Trends and archives
Trend graphs
Trend Graphs are available for all of the active gases on every scanned point. The
data from each scan is stored for this purpose. Trend Graphs provide a means of
viewing a leak incident from start to finish.
Trend Graphs are available in the menu shown in
Figure 42
. You must enter a date,
a starting hour and an ending hour. Only one date may be selected. The minimum
time interval is one hour and the maximum is 24 hours. Time entries use the 24-hour
clock. You can not enter minutes. Use the number keys to make the entries. Then,
press one of the scanned areas (green box) for trending.
Figure 42. Trend graph menu
Pressing the selected area changes the display by generating a trend graph.
Figure
43
shows a graph of four gases over a one day time period. In this case, there is a
constantly changing CO
2
concentration shown in green color.
To rescale the y-axis for a greater resolution enter a value in the empty field and
press “Rescale”.
Summary of Contents for ACM 150
Page 1: ...ACM 150 Air Composition Monitor Guide to Installation Operation and Maintenance ...
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Page 15: ...ACM 150 15 Figure 1 ACM 150 outside labels ...
Page 16: ...ACM 150 16 Figure 2 ACM 150 inside labels ...
Page 29: ...ACM 150 29 Figure 15 Relay output board ...
Page 59: ...ACM 150 59 Figure 30 Installation diagram ...
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Page 156: ...ACM 150 Air Composition Monitor Revision 2 ECO HAA150063 December 2015 Honeywell Analytics ...