XP Series Personal Gas Detector
8
Alarm Level Display* Audible Alarm Visual Alarm Vibrating Alarm
Level 1 alarm
 blink
3 beeps per 
second
3 flashes per 
second
Once every 2 
seconds
Level 2 alarm
 blink
5 beeps per 
second
5 flashes per 
second
Once every 2 
seconds
STEL alarm
 blink
5 beeps per 
second
5 flashes per 
second
Once every 2 
seconds
TWA alarm
 blink
5 beeps per 
second
5 flashes per 
second
Once every 2 
seconds
* Examples shown for H
2
S
Note:
When the detected gas level returns to a safe level the gas alarm will stop, unless the alarm 
mode is set to latching. The user cannot cancel an alarm.
If the measured reading exceeds the range of the sensor then the numerical digits will flash 
the full scale value.