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Setup Menu Teledyne API T801 NDIR CO2 Analyzer Operation Manual
102
5.10. SETUP MORE ALRM: USING THE GAS
CONCENTRATION ALARMS (OPTION 61)
The T801 concentration alarm option includes two alarms. Each alarm has a
user-settable limit, and is associated with an opto-isolated TTL relay accessible
via the status output connector on the instrument’s back panel (See Section
3.3.1.4). If the concentration measured by the instrument rises ab
ove that limit,
the alarm‘s status output relay is closed.
The default settings for ALM1 and ALM2 are:
Table 5-9: Concentration Alarm Default Settings
ALARM STATUS LIMIT SET POINT
CO2 ALARM1
Disabled 5.000 %
CO2 ALARM2
Disabled 10.00 %
Note
To prevent the concentration alarms from activating during span calibration
operations make sure to press CAL button prior to introducing span gas into
the analyzer..
5.10.1. SETTING THE T801 OPTION 61 CONCENTRATION ALARM
LIMITS
To enable concentration alarms and set the limit points, press:
(The ACAL submenu in the Primary Setup Menu is a special configuration; consult factory).
07274B DCN6418