Short Term Exposure Limits (Stel) (Figure 3-12); To Reset The Stel - MSA Sirius Mode D'emploi

• This page shows the lowest level of oxygen recorded by the Sirius
Multigas Detector since:
• Turn-ON or
• MIN reading was reset.
• MIN appears in the upper portion of the display.
• To reset the MIN Reading:
1. Access the Min page.
2. Press the RESET/

Short Term Exposure Limits (STEL) (FIGURE 3-12)

Figure 3-12. Exposure Page with STEL Alarm
• The STEL flag appear in the upper portion of the display to show
the average exposure over a 15-minute period.
• When the amount of gas detected by the Sirius Multigas Detector
is greater than the STEL limit:
• Alarm sounds
• Alarm lights flash
• STEL flashes.

To Reset the STEL:

1. Access the STEL page.
2. Press the RESET/
3-18
button.
button.