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C-Link Protocol Commands
Calibration
B-26
Model 42i Trace Level Instruction Manual
"set cal no bkg" will be "can't, wrong settings". The example below shows a
successful auto-calibration of the NO background.
Send:
set cal no bkg
Receive:
set cal no bkg ok
set cal no coef
set cal no2 coef
set cal nox coef
set cal high no coef
set cal high no2 coef
set cal high nox coef
set cal low no coef
set cal low no2 coef
set cal low nox coef
These commands will auto-calibrate NO, NO
on NO, NO
, and NO
2
commands are only available in dual and auto range mode. If the mode is
incorrect, the instrument responds with "can't, wrong settings". The
example below shows a successful auto-calibration of the low NO
coefficient.
Send:
set cal low no coef
Receive:
set cal low no coef ok
no coef
no2 coef
nox coef
high no coef
high no2 coef
high nox coef
low no coef
low no2 coef
low nox coef
These commands report NO, NO
mode, or the high and low range coefficients in dual or auto range mode. If
the mode is incorrect, the instrument responds with "can't, wrong
settings". The example below reports that the NO coefficient is 1.000.
Send:
no coef
Receive:
no coef 1.000
set no coef value
set no2 coef value
set nox coef value
set high no coef value
set high no2 coef value
span gas concentrations. The high and low
x
, and NO
2
x
, and NO
coefficients based
2
x
coefficients in single range
Thermo Fisher Scientific
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Troubleshooting
