Safe Led; Operating Beep - MSA Sirius Manual De Operación

Safe LED

The Sirius Multigas Detector is equipped with an optional green "SAFE"
LED which flashes every 15 seconds under the following conditions
• The green SAFE LED is enabled
• Instrument is on the normal Measure Gases page
• Combustible reading is 0% LEL or 0%CH 4
• Oxygen (O 2 ) reading is 20.8%
• Carbon Monoxide (CO) reading is 0 ppm
• Hydrogen Sulfide (H 2 S) reading is 0 ppm
• VOC reading is 0 ppm
• No gas alarms are present (low or high)
• Instrument is not in Low Battery warning or alarm
• CO, H 2 S, VOC, STEL and TWA readings are 0 ppm.

Operating Beep

The Sirius Multigas Detector is equipped with an optional operating
beep. This operating beep activates every 30 seconds by momentarily
beeping the horn and flashing the alarm LEDs under the following
conditions:
• Operating beep is enabled
• Instrument is on normal Measure Gases page
• Instrument is not in Battery warning
• Instrument is not in Gas alarm.
Figure 3-8. Heartbeat
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