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Teledyne API Model T360/T360M Operation Manual Operating Instructions
151
4.14. SETUP MORE ALRM: USING THE GAS
CONCENTRATION ALARMS
The Model T360 includes two CO
2
concentration 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 4.15.1.1). If
the CO
2
concentration measured by the instrument rises above that limit, the
alarm‘s status output relay is closed.
The default settings for ALM1 and ALM2 are:
Table 4-22: CO2 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 4.8.2) the analyzer will automatically scale the set points to match the new
range unit setting.
Note
To prevent the concentration alarms from activating during span calibration operations make sure
to press CAL or CALS button prior to introducing span gas into the analyzer.
4.14.1. Setting the Concentration Alarm Limits
To enable either of the CO
2
concentration alarms and set the Limit points, press:
ENT
R
accepts the new
settings
EXIT ignores the new
settings
SETUP X.
A
LARM 1 LIMIT: 200.00 PPM
0 1 0 0 .0 0 ENTR EXIT
SETUP X.X
A
LARM MENU
ALM1 ALM2 EXIT
SETUP X.
A
LARM 1 LIMIT: OFF
OFF ENTR EXIT
SETUP X.X
PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG ALRM EXIT
SAMPLE* RANGE = 500.000 PPM CO2 =X.XXX
< TST TST > CAL SETUP
Toggle these buttons to
scroll through the
available character set:
0-9
SETUP X.
A
LARM 1 LIMIT: ON
ON ENTR EXIT
07272B DCN6552