ToxiRAE Pro User’s Guide
49
16. Alarm Signal Summary
Alarm types include:
Alarm
Message/
Priority
Condition
Alarm Signal
Super Alarm
4 beeps/flashes per second
(Man
Down)
Man Down Alarm
3 beeps/flashes per second
(Man Down
Warning)
Man Down Warning
2 beeps/flashes per second
LAMP
Lamp failure
3 beeps/flashes per second
MAX
Gas exceeds electronics’
maximum range
3 beeps/flashes per second
OVER
Gas exceeds measurement
range
3 beeps/flashes per second
HIGH
Gas exceeds “High Alarm”
limit
3 beeps/flashes per second
LOW
Gas exceeds “Low Alarm”
limit
2 beeps/flashes per second
NEG
Gas reading measures less
than zero
1 beep/flash per second
STEL*
Gas exceeds “STEL” limit
1 Beep/flash per second
TWA*
Gas exceeds “TWA” limit
1 Beep/flash per second
CAL
Calibration failed, or needs
calibration
1 beep/flash per second
Offline
Offline from network
communcations
1 beep/flash per second
Bat
Low battery
1 flash, 1 beep per minute plus
battery icon flashes on display
The alarm priority is as follows (in the event of multiple simultaneous alarms):
Super Alarm > Man Down Alarm > Man Down Warning > Max > Over > High > Low >
Neg > STEL > TWA > Cal Failed > Bump Failed > Cal Required > Bump Required >
Offline > Bat
*
If your ToxiRAE Pro is configured with an oxygen (O
2
) sensor, alarms for TWA and
STEL are not included because neither TWA nor STEL are calculated for this sensor.