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6 Alarms
6-1 Alarm types
RI-2000R has two types of alarms, a gas alarm and a trouble alarm.
Gas alarm: The alarm will activate when the gas concentration exceeds the preset
gas level (alarm set point) .
Trouble alarm: An alarm to notice there is trouble (failure) in RI-2000R. The
instrument will start from warm up phase when it recovers from
trouble states. Please refer to “8. Abnormal conditions”.
*
NOTE
・
The 1st and 2nd gas alarm points are factory set.
・
Alarm retardation time is set to avoid false operation by noise.
6-2 Operations of alarms
RI-2000R has two types of alarm operations, a latching and non-latching alarm.
Latching alarm (standard)
The alarm will keep in alarm operation once the
instruments alarm activates even if the gas
concentration becomes lower than the alarm
set point.
The alarm message will stop flashing after you
push BZ STOP button and the buzzer will stop too.
The alarm contact will return after the instrument
recognises the gas concentration is lower than the
set point and the alarm indication will go off.
Non latching alarm (optional)
The alarm and buzzer will automatically deactivate
when the gas concentration once gets lower than the
alarm set point.