Dark Calibration - Teledyne 400E Instruction Manual

Model 400E Ozone Analyzer
Instruction Manual
To calibrate the O

6.7.5. Dark Calibration

The Dark Calibration Test turns off the Photometer UV Lamp and records any offset
signal level of the UV Detector-Preamp-Voltage to Frequency Converter circuitry.
This allows the instrument to compensate for any voltage levels inherent in the
Photometer detection circuit that might effect the output of the detector circuitry
and therefore the calculation of O
P/N 04316 Rev: B
Generator press:
3
SAMPLE
< TST TST > CAL
SETUP X.X
CFG ACAL DAS RNGE PASS CLK
SETUP X.X
Exit at Any
Time to Return
COMM VARS
to main the
SETUP Menu
SETUP X.X
8 1 8
DIAG
NEXT
Repeat Pressing NEXT until . . .
DIAG DARK
PREV NEXT
Returns to the
previous menu when
calibration is
complete
DIAG O3GEN
DIAG DARK
concentration.
3
RANGE = 500.0 PPB O3 =XXX.X
SETUP
MORE EXIT
DIAG HALT EXIT
ENTER DIAG PASS: 818
ENTR EXIT
SIGNAL I / O
ENTR EXIT
O3 GEN CALIBRATION
ENTR EXIT
O3 G EN CAL 1% COMPLETE
EXIT
CANCELLED
EXIT
Operating Instructions
Exit returns
to the
previous menu
Display
tracks %
complete
109