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SETUP Menu Teledyne API - T100 UV Fluorescence SO2 Analyzer
120
5.9.3.4. ANALOG OUTPUT OFFSET ADJUSTMENT
Some analog signal recorders require that the zero signal to be significantly different
from the baseline of the recorder in order to record slightly negative readings from noise
around the zero point. This can be achieved in the T100 by defining a zero offset, a
small voltage (e.g., 10% of span), which can be added to the signal of individual output
channels by activating the ANALOG I/O CONFIGURATION MENU from the DIAG
Menu (refer to Figure 5-16), then press:
DIAG AIO RECORD OFFSET: 0 MV
+ 0 0 0 0 ENTR EXIT
DIAG ANALOG I / O CONFIGURATION
PREV NEXT ENTR EXIT
DIAG AIO AOUTS CALIBRATED: NO
< SET SET> CAL EXIT
DIAG AIO CONC_OUT_2 RANGE: 5V
SET> EDIT EXIT
Set the recorder
offset (in mV) of
the selected
channel
DIAG AIO CONC_OUT_2:5V, CAL
< SET SET> EDIT EXIT
DIAG AIO CONC_OUT_2 REC OFS: 0 mV
< SET SET> EDIT EXIT
Pressing ENTR accepts the
new setting and returns to the
previous menu.
Pressing EXIT ignores the new
setting and returns to the
previous menu.
Press SET> to select the
analog output channel to
be configured. Then press
EDIT to continue
DIAG AIO CONC_OUT_2 OVERRANGE: ON
SET> EDIT EXIT
Figure 5-25: Analog Output – Offset Adjustment
06807C DCN6650