700M HFID 6-2-15
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Raw Values Display
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The Raw Values Display screen is a diagnostic tool for viewing detector Raw Volts and
Calculated Concentrations. This screen is accessed by pressing from the Diagnostics
menu.
Raw Voltage: This is a 0.512 VDC to 4.512 VDC that will be digitized by the microprocessor to
generate the calibration curve from which the Raw Concentration and Measured Concentration
are derived. The 0.512 volts is equal to 0 ppm and 4.512 is equal to the four factory-set range
limits. (Example of standard analyzer range limits as C1: 30, 300, 3000 and 30000)
Raw Concentration: This value (in ppm) is calculated from the Raw Volts before linearization
and offset and span corrections are applied.
Measured Concentration: This value (in ppm) is calculated from the Raw Concentration. Then
linearization and offset and span corrections are applied.
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