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Teledyne API – Technical Manual - Model 300E Family CO Analyzers Basic Operation
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6.6.3. REPORTING RANGE MODES
The M300E/EM provides three analog output range modes to choose from.
Single range (SNGL) mode sets a single maximum range for the analog output. If single range is selected
both outputs are slaved together and will represent the same measurement span (e.g. 0-50 ppm),
however their electronic signal levels may be configured for different ranges (e.g. 0-10 VDC vs. 0-.1
VDC).
Dual range (DUAL) allows the A1 and A2 outputs to be configured with different measurement spans as
well as separate electronic signal levels.
Auto range (AUTO) mode gives the analyzer to ability to output data via a low range and high range.
When this mode is selected the analyzer will automatically switch between the two ranges dynamically as
the concentration value fluctuates.
Range status is also output via the external digital I/O status outputs (See Section 3.3.3).
To sele
ct the
Analog Output Range Type press:
NOTE
Upper span limit setting for the individual range modes are shared. Resetting the span limit in one mode
also resets the span limit for the corresponding range in the other modes as follows:
SNGL DUAL AUTO
Range Range1 Low Range
Range2 High Range
04288D DCN5752