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M400E Ozone Analyzer Operator’s Manual M400E Calibration Procedures
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 keys, the user is prompted for the range that
is to be calibrated as seen in the
CALZ example below:
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST>
CAL SETUP
Set the Display to show
the
STABIL test function.
This function calculates
the stability of the O
3
measurement
Toggle the <TST TST> buttons until ...
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST>
CAL SETUP
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST> CAL CALZ CALS
SETUP
SAMPLE RANGE TO CAL O3= XXXX
LOW HIGH ENTR EXIT
Use these Keys to select
the RANGE to be
calibrated.
LOW = RANGE1;
HIGH = RANGE2
M-P CAL STABIL=XXXX PPB O3= XXXX
<TST TST> ZERO CONC EXIT
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.
04315 Rev. C1 155