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Teledyne API T703 Calibrator Operation Manual T703 Calibration and Verification
135
8.1.5. O
3
PHOTOMETER BACKPRESSURE CALIBRATION
Any time there is a pneumatic configuration change, there is risk of impacting the internal measure/reference
pressure. To compensate for this, a backpressure compensation calibration is required each time. Set the
calibrator to generate ozone at the flow rate intended for operation. While the instrument is generating ozone, go
to the SETUP>MORE>DIAG>929>…>BACKPRESSURE COMPENSATION menu and press ENTR, shown in
the following illustration, to initiate the calibration; the operation will take a few minutes:
GENERATE A-CAL=0.000 LPM
<TST TST> GEN STBY SEQ SETUP
Make sure that the T700 is
generating ozone at the
intended operational flow rate.
SETUP X.X PRIMARY SETUP MENU
GAS SEQ CFG CLK PASS MORE EXIT
SETUP X.X SECONDARY SETUP MENU
COMM FLOW VARS DIAG EXIT
SETUP X.X ENTER PASSWORD
818 ENTREXIT
Toggle these buttons to
enter the correct
PASSWORD - 929
DIAG SIGNAL I/O
PREV NEXT ENTR EXIT
Continue pressing NEXT until ...
DIAG BACKPRESSURE COMPENSATION
PREV NEXT ENTR EXIT
07223B DCN6378