Time Weighted Average (Twa) (Figure 2-10); Warning - MSA Solaris Manual De Operación

• 15-minute exposure of 35 PPM:
(15 minutes x 35 PPM)
15 minutes
• 10-minute exposure of 35 PPM
5-minute exposure of 15 PPM:
(10 minutes x 35 PPM) + (5 minutes x 5 PPM)
If the STEL alarm condition is reached while using the
instrument as a personal or area monitor, leave the contam-
inated area immediately; the ambient gas concentration has
reached the preset STEL alarm level. Failure to follow this
warning will cause over-exposure to toxic gases, which can
result in serious personal injury or death.

Time Weighted Average (TWA) (FIGURE 2-10)

Figure 2-10. Exposure Page with TWA Alarm
• The TWA flag will appear in the upper portion of the display to
show the average exposure since the instrument was turned ON or
the TWA reading was reset.
• When the amount of gas detected by the Solaris Multigas Detector
is greater than the eight-hour TWA limit:
• Alarm Sounds
= 35 PPM
15 minutes

" WARNING

= 25 PPM
2-15