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T400 Ozone Analyzer Operator’s Manual T400 Calibration Procedures
189
9.2.4. MANUAL CALIBRATION CHECKS AND CALIBRATIONS USING AUTO
RANGE OR DUAL RANGE MODES
If the analyzer is being operated in DUAL range mode or AUTO range mode, then the
HIGH and LOW ranges must be independently checked.
When the analyzer is in either DUAL or AUTO Range modes, the user must run a
separate calibration procedure for each range. After pressing the CAL, CALZ or CALS
buttons, the user is prompted for the range that is to be calibrated as seen in the CALZ
example below:
CAL SETUP
Set the Display to show
the
test function.
This function calculates
the stability of the O
3
measurement
Toggle the buttons until ...
CAL SETUP
SETUP
Press either to select the
RANGE to be calibrated.
LOW = RANGE1;
HIGH = RANGE2
<TST TST>
Continue the Calibration operation as
per the standard procedure
Note Once this selection is made, the calibration procedure continues as
described in Section 9.2. The other range may be calibrated by starting
over from the main SAMPLE display.
06870C DCN6332