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Operating Instructions
4.6.6. AUTO RANGE MODE (AUTO)
RANGE1: The LOW range setting for all analog outputs.
RANGE2: The HIGH range setting for all analog outputs.
SAMPLE
RANGE = 500.000 PPB
< TST TST > CAL
SAMPLE
ENTER SETUP PASS : 818
8
1
8
PRIMARY SETUP MENU
SETUP X.X
CFG DAS
RNGE
PASS CLK MORE
SETUP X.X
RANGE CONTROL MENU
MODE
SET UNIT
SETUP X.X
RANGE MODE:
SNGL IND
AUTO
IMPORTANT
96
In AUTO range mode, the analyzer automatically switches the reporting range between
two user-defined ranges (low and high). The unit will switch from low range to high
range when either the SO
will return from high range back to low range once both the SO
below 75% of the low range span.
In AUTO Range mode the instrument reports the same data in the same range on both
the A1 and A2 outputs and automatically switches both outputs between ranges as
described above. Also, the RANGE test function displayed on the front panel will be
replaced by two separate functions:
The high/low range status is also reported through the external, digital status bits (refer
to Section 5.3.1.1).
To set individual ranges press the following control button sequence.
SO2 =XXX.X
SETUP
ENTR
EXIT
EXIT
EXIT
SNGL
ENTR EXIT
SETUP RNGE – Auto Range Mode
Figure 4-13:
In AUTO range mode, the LOW and HIGH ranges have separate slopes and offsets for
computing SO
concentration. The two ranges must be independently calibrated.
2
Teledyne ML - T100 UV Fluorescence SO2 Analyzer
concentration exceeds 98% of the low range span. The unit
2
SETUP X.X
RANGE MODE:
AUTO
SNGL IND
AUTO
SETUP X.X
RANGE CONTROL MENU
MODE
SET
UNIT
SETUP X.X
LOW RANGE:
500.0 Conc
0
0
5
0
0
.0
SETUP X.X
HIGH RANGE:
500.0 Conc
0
0
5
0
0
.0
concentration falls
2
ENTR
EXIT
EXIT x 2 returns
to the main
SAMPLE display
EXIT
Toggle the numeral
buttons to set the
ENTR EXIT
LOW and HIGH
range value.
ENTR accepts the
new setting, EXIT
ignores the new
setting.
ENTR EXIT
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