MSA Sirius Manual De Operación página 5

" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
PID Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
PID Bulb -Cal Now . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
Verifying Pump Operation . . . . . . . . . . . . . . . . . . . . . . .3-8
Figure 3-4a. Pump Alarm on the Display . . . . . . . . .3-8
Figure 3-4b. Pump Alarm on the Display . . . . . . . . .3-8
To Clear an Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
Calibration Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
Measuring Gas Concentrations . . . . . . . . . . . . . . . . . .3-10
Combustible gases (% LEL) (FIGURE 3-5) . . . . . . . .3-10
Figure 3-5a. Instrument in LEL Alarm . . . . . . . . . .3-10
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11
Figure 3-5b. Instrument in LEL Alarm . . . . . . . . . .3-11
Oxygen Measurements (% O2) (FIGURE 3-6) . . . . .3-12
Figure 3-6a. Instrument in Oxygen Alarm . . . . . . .3-12
Figure 3-6b. Instrument in Oxygen Alarm . . . . . . .3-12
Toxic Gas and VOC Measurements (FIGURE 3-7) . . .3-13
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13
Figure 3-7a. Instrument in VOC Gas Alarm . . . . . .3-13
Confidence Flash . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
Figure 3-7b. Instrument in VOC Gas Alarm . . . . . .3-14
Safe LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15
Operating Beep . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15
Figure 3-8. Heartbeat . . . . . . . . . . . . . . . . . . . . . . .3-15
Viewing Optional Displays (FIGURE 3-9) . . . . . . . . . .3-16
Figure 3-9. Flow Diagram . . . . . . . . . . . . . . . . . . .3-16
Peak Readings (PEAK) (FIGURE 3-10) . . . . . . . . . .3-17
Minimum Readings (MIN) (FIGURE 3-11) . . . . . . . . .3-17
Figure 3-10. PEAK Readings on the Display . . . .3-17
Figure 3-11. MIN Reading on the Display . . . . . . .3-17
Short Term Exposure Limits (STEL) (FIGURE 3-12) .3-18
To Reset the STEL: . . . . . . . . . . . . . . . . . . . . . . . . . .3-18
Figure 3-12. Exposure Page with STEL Alarm . . .3-18
Time Weighted Average (TWA) (FIGURE 3-13) . . . .3-19
" WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-19
Figure 3-13. Exposure Page with TWA Alarm . . . .3-19
iii