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Teledyne API - T100 UV Fluorescence SO2 Analyzer SETUP Menu
127
5.9.6. LAMP CALIBRATION
An important factor in accurately determining SO
2
concentration is the amount of UV
light available to transform the SO
2
into SO
2
* (refer to Section 13.1.1). The T100
compensates for variations in the intensity of the available UV light by adjusting the SO
2
concentration calculation using a ratio (LAMP RATIO)that results from dividing the
current UV lamp (UV LAMP) intensity by a value stored in the CPU’s memory
(LAMP_CAL). Both LAMP Ration and UV Lamp are test functions viewable from the
instruments front panel.
To cause the analyzer to measure and record a value for LAMP_CAL, access the Signal
I/O from the DIAG Menu (refer to Figure 5-16), then press:
DIAG SIGNAL I / O
NEXT ENTR EXIT
Repeat Pressing NEXT until . .
.
DIAG LAMP CALIBRATION
PREV NEXT ENTR EXIT
DIAG FCAL LAMP CAL VALUE:4262.4 mV
4 2 6 2 .4 ENTR EXIT
ENTR accepts the
new value
EXIT ignores the new
value
The value displayed is the
current output of the UV
source reference detector
Figure 5-32: DIAG – Lamp Calibration
06807C DCN6650