5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 9
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6.4 Selecting display units
You can change the measurement units shown on the display (and output during data
logging, and so on). The following display units are supported:
Use the following procedure to select the displayed units, and to change the units
conversion factor:
1. Press the soft key to display the Menu screen, use the and soft
keys to highlight the "Set up" menu option, then press the soft key. The Set
up screen will then be displayed (see Figure 17).
2. Use the and soft keys to highlight the "Unit selection" menu option,
then press the soft key:
• If you have a 1-measurement Multi Purpose, the Currently selected units
screen will be displayed, as shown in Figure 24.
• If you have a 2-measurement Multi Purpose, use the and soft keys
to highlight the required gas sensor, then press the soft key: the
Currently selected units screen (for the selected gas) will then be displayed,
as shown in Figure 24.
Figure 24 - The Currently selected units screen
Units Meaning
% volume %
ppm parts per million
vpm volume parts per million
mg/m3 mg m
-3
(milligrams per normal cubic metre)
mol/mol mols per mol (or moles per mole)
% LEL volume % of the Lower Explosive Limit
+
When you select display units other than the measurement default units, you
must also enter the units conversion factor: refer to Appendix A5 to
determine the units conversion factor for your specific application.
+
If you select the "off" option on the units selection screen, the display units
revert to the measurement default units as supplied.
+
Converting from one measurement unit to a different display measurement
unit may reduce the resolution of the displayed measurements.