Rae ppbRAE 3000 - Alarm Signal Summary

ppbRAE 3000 User’s Guide
32
Alarm Signal Summary
Message
Condition
Alarm Signal
HIGH
Gas exceeds “High
Alarm” limit
3 beeps/flashes per second*
OVR
Gas exceeds
measurement range
3 beeps/flashes per second*
MAX
Gas exceeds electronics’
maximum range
3 beeps/flashes per second*
LOW
Gas exceeds “Low
Alarm” limit
2 beeps/flashes per second*
TWA
Gas exceeds “TWA”
limit
1 Beep/flash per second*
STEL
Gas exceeds “STEL”
limit
1 Beep/flash per second*
Pump
icon
flashes
Pump failure
3 beeps/flashes per second
Lamp
PID lamp failure
3 beeps/flashes per second
plus “Lamp” message on
display
Battery
icon
flashes
Low battery
1 flash, 1 beep per minute
plus battery icon flashes on
display
CAL
Calibration failed, or
needs calibration
1 beep/flash per second
NEG
Gas reading measures
less than number stored in
calibration
1 beep/flash per second
* Hygiene mode only. In Search mode, the number of beeps per
second (1 to 7) depends upon the concentration of the sampled gas.
Faster rates indicate higher concentrations.