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B-H90.0.01.DB2-2.1
5 | Operation
G 1910-02
Input
INP
%
CO
2
measurement in %
PPm
CO
2
measurement in ppm
Alarms
AL.
OFF
No active alarm
ON
Alarm alerting via text display, acoustic signal and
flashing of the backlighting
BEEP
Alarm alerting via text display and acoustic signal
L,TE
Alarm alerting via text display and flashing of the
backlighting
AL.1
Depending on the setting of the parameter value
INP
0
.
000
..
AL
.
2
0
..
AL2
Min. alarm limit in % or ppm; a pre-alarm is trig-
gered when the value is exceeded
When the pre-alarm is triggered, it can be muted for
5 minutes. To do this, press any key. The display
shows
(LR AL.1
.
AL.2
Depending on the setting of the parameter value
INP
AL.1
..
1
.
000
AL1
..
10000
Max. alarm limit in % or ppm; the main alarm is trig-
gered when the value is exceeded
Mean value
LCD.2
8 H
Time weighted over 8 hours, mean value TWA
STEL
Time weighted over 15 minutes, mean value STEL
OFF
Mean value determination deactivated
Shut-off time
POFF
OFF
No automatic shut-off
0
:
15
0
:
30
1
:
00
4
:
00
12
:
00
Automatic shut-off after a selected time in hours
and minutes, during which no buttons have been
pressed
