If the gas concentration reaches or exceeds the alarm setpoint or the
STEL or TWA limits, the:
• alarm message displays and flashes in combination with the
corresponding gas concentration:
• backlight turns ON
• alarm sounds (if active)
• alarm LEDs flash (if active)
• vibrating alarm triggers (if active).
2.7 Monitoring Oxygen Concentration
The instrument monitors oxygen concentration in ambient air. The alarm
setpoints can be set to activate on two different conditions:
• Enriched - oxygen concentration > 20.8 % or
• Deficient - oxygen concentration < 19.5 %.
While the instrument can detect up to 25% oxygen in the ambient air, it
is approved for use only up to 21% oxygen-content.
If an alarm activates while using the instrument, leave the
area immediately.
Remaining in the area under such circumstances can cause
serious personal injury or death.
"
WARNING
Figure 2-6. Alarm Conditions (High Alarm shown)
2-15
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Страница 71: ...7 Appendix Flow Charts 7 1 Start Up Sequence Power ON 7 1 ...
Страница 72: ...7 2 Normal Operation 7 2 ...
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Страница 74: ...7 4 Password Protected Options 7 4 ...
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Страница 78: ...7 7 Calibration Options 7 8 ...
Страница 79: ...7 8 Alarm Options 7 9 ...
Страница 80: ...7 8 1 Sensor Alarm Options 7 10 ...
Страница 81: ...7 9 Instrument Options 7 11 ...
Страница 150: ...6 3 Pièces de rechange pour l appareil 6 3 ...
Страница 232: ...6 3 Piezas de repuesto 6 3 ...