RKI Instruments GX-2001 Manual - Manual (Page 21)

Model GX-2001 Operator’s Manual Operation • 16
The table below summarizes the types of alarms produced by the Model
GX-2001.
Table 4: Alarm Types and Indications
Alarm Type LCD Indications Other Indications
Alarm 1
Concentration of gas
rises above the first
alarm point, or for O
2
,
falls below the low
point setting.
• Name of gas
displayed.
• Alarm light flashes
once per second.
• Back light turns on.
• Gas reading
flashes.
Pulsing tone once
per second
Unit vibrates once
per second
Alarm 2
Concentration of gas
rises above second
alarm point, or for O
2
,
rises above the high
point setting.
• Name of gas
displayed.
• Alarm light flashes
twice per second.
• Back light turns on.
• Gas reading
flashes.
Pulsing tone twice
per second
Unit vibrates twice
per second
TWA or STEL
Concentration of CO
or H
2
S rises above the
TWA or STEL alarm
point setting.
• Name of gas
displayed.
• Alarm light flashes
once per second.
• Back light turns on.
• TWA or STEL
blinking.
Pulsing tone once
per second
Unit vibrates once
per second
Over Range • Name of gas
displayed.
• Gas reading
replaced by blinking
brackets.
• Alarm light flashes.
• Back light turns on.
Pulsing tone once
per second
Unit vibrates once
per second
Low Battery Warning • Battery icon
flashes.
None
Dead Battery Alarm • Gas reading
replaced by FAIL.
• Battery icon
flashes.
Double Pulsing Tone
(two pulses in quick
succession)