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Teledyne API T801 NDIR CO2 Analyzer Operation Manual Setup Menu
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To set the upper range limit for each independent reporting range, press:
(The ACAL submenu in the Primary Setup Menu is a special configuration; consult factory).
5.4.3.3. RNGE MODE AUTO: CONFIGURING THE T801 ANALYZER FOR AUTO
RANGE MODE
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 the CO
2
concentration
exceeds 98% of the low range span.
The unit will return from high range back to low range once the CO
2
concentration falls 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:
CO2 RNG1: The LOW range setting for all analog outputs.
CO2 RNG2: The HIGH range setting for all analog outputs.
The high/low range status is also reported through the external, digital status bits
(See Section 3.3.1.4).
07274B DCN6418