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4.2. Acknowledge Gas Alarms
After the gas readings have returned to a safe level, press and hold the R button to clear all alarms.
4.3. Mute Alarms
If configured, muting the alarm will silence the audible alarm for 60 seconds, as follows:
•
Non-latching alarm: silences the audible alarm for 60 seconds. If the gas reading during that
time falls below the alarm set point, the visual alarm clears automatically.
•
Latching alarm: silences the audible alarm for a period of 60 seconds. If the gas reading during
that time falls below the alarm set point, the user must acknowledge the visual alarm to clear it.
4.4. High Flammable Gas Over-range Alarm
WARNING: HIGH OFF-SCALE READINGS MAY INDICATE AN EXPLOSIVE
CONCENTRATION.
An over-range alarm protects the user and the LEL sensor during exposures to high concentrations
of flammable gas. If the LEL reading exceeds 100% LEL (see
•
monitor vibrates;
•
displayed value changes to 4 rising arrows;
•
display turns red;
•
audible alarm tone changes;
•
LED's flash quickly;
•
DANGER OVERRANGE flashes on the display.
4-2
Figure 4-2: LEL HIHI Alarm
PORTABLE GAS MONITOR
Figure 4-3: Over Range
64171, Rev. 11/December 2019
PS200
ALARMS
Alarm):
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