Moving Through The Orion Multigas Detector - MSA Orion Operation Manual

Operating Manual
The instrument then performs a Self-test where the:
• display check occurs
(every segment on the display momentarily illuminates)
• audible alarm sounds
• alarm lights illuminate
• display backlight illuminates.
Once the Self-test is complete, the instrument enters the Measure
mode and is ready for use.
Moving Through the Orion Multigas
Detector Pages
FIGURE 2-2 is a flow diagram showing the operation of the
instrument. Note that the STEL, TWA, TIME and DATE pages
will appear only if the Orion Multigas Detector is equipped with
the optional datalogging package. To access instrument features
and informational pages:
• Push the ON-OFF/PAGE button (FIGURE 2-3).
The Pages appear in the following order:
• Peak
Shows peak value recorded since last instrument turn-ON
• Min
Shows minimum value recorded since last instrument turn-ON
for the oxygen sensor only
• STEL (Datalogging instrument only)
Shows Short Term Exposure Limit for installed toxic gas sensors
Figure 2-3. Orion Buttons
Chapter 2, Quick Start
2-3