8
INM MTL 130-0186 Rev 8
4.2.2 Alarm 1
NOTE:
All alarms will be in the ‘alarm’ state whilst the instrument is booting (approximately 20
seconds after power on) or if the instrument registers an error, regardless of the alarm setting.
3P xxxx
The display shows
“3P xxxx”
, where “xxxx” is the oxygen concentration at which Alarm 1 is
set. - observe the “%” and “ppm” symbols to ensure the correct setting.
4P xxxx
The display shows
“4P x.x”
, where “x.x” is the value of the hysteresis for alarm 1. The value
is in % of the set-point or alarm level and is variable from zero to 10%.
5P xxxx
The display shows
“5P x”
, where “x” indicates the operating mode of the alarm as follows:-
‘0’ - Alarm off
‘H’ – High (alarm when
above
set point)
‘L’ - Low (alarm when
below
set point)
‘S’ – Status (alarm while cell heater is warming up)
4.2.3 Alarm 2
The operation of alarm 2 is identical to that of alarm 1. The menu entries are as follows:
6P xxxx
The display shows
“6P xxxx”
, where “xxxx” is the oxygen concentration at which Alarm 2 is set.
7P xxxx
The display shows
“7P x.x”
, where “x.x” is the value of the hysteresis for alarm 2.
8P xxxx
The display shows
“8P x”
, where “x” indicates the operating mode of the alarm.
