Auto Range Mode - Teledyne 400E Instruction Manual

Model 400E Ozone Analyzer
Instruction Manual

6.5.5. Auto Range Mode

When the Auto Range mode is selected, the analyzer automatically switches back
and forth between user selected Low & High Ranges depending on the level of the
O concentration. The unit will move from Low Range to High Range when the O
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concentration exceeds to 98% of the Low Range span. The unit will return from
High Range back to Low Range once the O
Low Range span.
To set the ranges press following keystroke sequence:
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 discussed above.
P/N 04316 Rev: B
SAMPLE
< TST TST > CAL
SETUP X.X
CFG DAS
SETUP X.X
MODE
SETUP X.X
SNGL DUAL
SETUP X.X
SNGL DUAL AUTO
SETUP X.X
MODE
SETUP X.X
0 0
Toogle the numeral
Keys to Set the
LOW and HIGH
range value.
SETUP X.X
0 0
SETUP X.X
MODE SET UNIT
concentration falls below 75% of the
3
RANGE = 500.0 PPB O3 =XXX.X
RNGE PASS CLK MORE
RANGE CONTROL MENU
SET UNIT
RANGE MODE: SNGL
AUTO ENTR EXIT
AUTO
RANGE MODE:
ENTR
RANGE CONTROL MENU
SET UNIT
LOW RANGE: 150.0 Conc
1 0 0 .0 ENTR
HIGH RANGE: 50.0 Conc
5 0 0 .0 ENTR
RANGE CONTROL MENU
Operating Instructions
SETUP
EXIT
EXIT
EXIT
EXIT
The Low and High
Ranges have separate
EXIT
slopes and offsets for
computing the carbon
monoxide concentration.
The two ranges must be
independently calibrated.
EXIT
EXIT Returns
to the Main
EXIT SAMPLE Display
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