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M400E Ozone Analyzer Operator’s Manual Basic Operation of the M400E Analyzer
6.4.4.4. RNGE MODE DUAL: Configuring the M400E analyzer for Dual Range
Mode
DUAL range mode allows the A1 and A2 outputs to be configured with separate reporting range spans as well
as separate electronic signal levels. The analyzer software calls these two ranges
LOW and HI.
The
LOW range setting corresponds with the analog output labeled A1 on the rear panel of the
instrument and is viewable via the test function
RANGE1.
The
HIGH range setting corresponds with the A2 output and is viewable via the test function RANGE2.
While the software labels these two ranges as
LOW and HI, when in DUAL mode their upper limits need
not conform to that convention. The upper span limit of the
LOW/RANGE1 can be a higher number than
that of
HI/RANGE2
To set the ranges press following keystroke sequence:
.
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST> CAL SETUP
SETUP X.X RANGE MODE MENU
MODE SET UNIT EXIT
SETUP X.X RANGE MODE:SNGL
SNGL DUAL AUTO ENTR EXIT
SETUP X.X RANGE MODE:SNGL
SNGL DUAL AUTO ENTR EXIT
SETUP X.X RANGE MODE MENU
MODE SET UNIT EXIT
SETUP X.X HIGH RANGE:500.0 Conc
0 0 5 0 0 .0 ENTR EXIT
Toggled these keys to
select the upper
SPAN limit for the
reporting range
EXIT discards the new
setting
ENTR accepts the
new setting
SETUP X.X LOW RANGE:500.0 Conc
0 0 5 0 0 .0 ENTR EXIT
The LOW and HIGH
ranges have separate
slopes and offsets for
computing the O
3
concentration.
The two ranges must
be independently
calibrated
.
EXIT discards the
new setting
ENTR accepts the
new setting
04315 Rev. C1 73