AreaRAE Plus & AreaRAE Pro User’s Guide
104
19.6.2 General Alarms
Gas exceeds “High Alarm” limit
3 beeps/flashes per second
Gas exceeds sensor’s measurement range
3 beeps/flashes per second
Gas exceeds electronic circuit’s maximum
range
3 beeps/flashes per second
Gas exceeds “Low Alarm” limit*
2 beeps/flashes per second
Crossed pump
icon flashes
Inlet blocked or pump failure
3 beeps/flashes per second
3 beeps/flashes per second
Empty battery
icon flashes
1 flash, 1 beep per minute
Calibration failed, or needs calibration
True sensor reading is below zero, even
though a zero reading is shown for the
sensor.
* For oxygen, “low alarm limit” means a concentration is lower than the low alarm limit.