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Setup Menu Teledyne API – Model T300/T300M CO Analyzer
140
5.10. SETUP MORE ALRM (OPTION): USING THE GAS
CONCENTRATION ALARMS
The T300/T300M includes two CO concentration alarms if OPT 61 is installed on your
instrument. Each alarm has a user settable limit, and is associated with a Single Pole
Double Throw relay output accessible via the alarm output connector on the
instrument’s back panel (See Section 3.3.1.4). If the CO concentration measured by the
instrument rises above that limit, the alar
m‘s status output relay is closed.
The default settings for ALM1 and ALM2 are:
Table 5-10: CO Concentration Alarm Default Settings
ALARM STATUS LIMIT SET POINT
1
alm1 Disabled 100 ppm
alm2 Disabled 300 ppm
1
Set points listed are for PPM. Should the reporting range units of measure be changed (See
Section 5.4.3) the analyzer will automaticall
y scale the set points to match the new range unit
setting.
Note To prevent the concentration alarms from activating during span
calibration operations ensure that the CAL or CALS button is pressed
prior to introducing span gas into the analyzer.
06864B DCN6314