Electrical Test; Lamp Calibration - Teledyne 100E Instruction Manual

Operating Instructions

6.7.6. Electrical Test

The electrical test function creates a current, which substitutes the PMT signal, and feeds
it into the preamplifier board. This signal is generated by circuitry on the pre-amplifier
board itself and tests the filtering and amplification functions of that assembly along with
the A/D converter on the motherboard. It does not test the PMT itself. The electrical test
should produce a PMT signal of about 2000 ±1000 mV.
To activate the electrical test press the following keys.
SAMPLE* RANGE = 500.000 PPB
< TST TST > CAL
SETUP X.X
PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK
SETUP X.X
SECONDARY SETUP MENU
COMM VARS
DIAG
SETUP X.X ENTER DIAG PASS: 818
8 1 8

6.7.7. Lamp Calibration

An important factor in accurately determining SO
light available to transform the SO
compensates for variations in the intensity of the available UV light by adjusting the SO
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.
86
SO2 =X.XXX
SETUP
EXIT
MORE
EXIT
EXIT
ENTR
While the electrical test is
activated, PMT should equal:
2000 mV ± 1000 mV
into SO
2
Model 100E Instruction Manual
DIAG
SIGNAL I / O
PREV JUMP
NEXT
Press NEXT until...
DIAG
ELECTRICAL TEST
PREV NEXT
RANGE = 500.000 PPB
DIAG ELEC
<TST TST>
Press TST until...
DIAG ELEC
PMT = 1732 MV
<TST TST>
concentration is the amount of UV
2
* (see Section 10.1.1). The model 100E
2
ENTR EXIT
EXIT
ENTR
O2=X.XXX
EXIT
SO2=X.XXX
EXIT
045150102 Rev XB1
2