Alarms
Use this menu to change high, low, STEL, and TWA alarm limits - the points at which alarms are
triggered. The Alarms menu also allows changing alarm mode (latched or automatic reset) and
alarm output methods (combinations of light and buzzer alarm indications).
Alarm Limits
There are four groups of alarm settings that you can adjust for each individual sensor for which
a particular alarm type is available.
Settings:
l High Alarm
l Low Alarm
l STEL (Short-Term Exposure Limit) Alarm
l TWA (Time-Weighted Average) Alarm
Note: Some alarm settings are not applicable to all sensors. If a setting is irrelevant to a sensor
(for example, STEL for a gamma radiation sensor), then that sensor does not appear in the list.
Alarm Mode
You can program the AreaRAE Plus/Pro so that there are two ways to shut off an alarm:
Auto
Reset
When the alarm condition is no longer present, the alarm stops automatically.
Latch
You must manually turn off an alarm when one is triggered. The latched setting only controls
alarms for High Alarm, Low Alarm, STEL Alarm, and TWA Alarm.
Alarm Settings
You can enable/disable any combination of light (visible) or buzzer (audible) alarms, or alarms
off.
Settings:
l All Enabled
l Light
AreaRAE 67 User Manual
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