MGC Pump User’s Manual
UM-MGC-P v1.06 5 of 19
Sensor Low High TWA STEL
H
2
S 10 ppm 15 ppm 10 ppm 15 ppm
CO 35 ppm 200 ppm 35 ppm 35 ppm
O
2
19.5% 23.5%
LEL 10% 20%
Alarm Condition Audible Alarm Vibration Alarm Visual Alarm
Low Slow beep Slow vibration Slow LED ash
High Fast beep Fast vibration Fast LED ash
TWA Slow beep Slow vibration Slow LED ash
STEL Fast beep Fast vibration Fast LED ash
Multi Slow/Fast beep Slow/Fast vibration Slow/Fast LED ash
Pump Blocked Fast beep Fast vibration Fast LED ash
Sensor Error Fast beep Fast vibration Fast LED ash
Low Battery
20 minutes remaining: single beep/ash and battery icon on
10 minutes remaining: single beep/ash and battery icon ashing
5 minutes remaining: continuous beep/ash every 5 seconds
Expired: 5 Long beeps/ashes and then OFF is displayed
Alarm Behavior
The following table describes the detector’s behavior under various alarm conditions:
ALARM
Default Alarms
Each detector comes preprogrammed with the factory default settings below for Low, High, Time Weighted
Average (TWA) and Short Term Exposure Limit (STEL) alarms.
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