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Glossary-10 800 Series Operator's Manual
reagent
A substance that the system uses because of its chemical
or biological activity to detect or measure the analytes
present in a patient sample, to analyze a QC sample, to
calibrate the system, or to wash system tubing.
reagent fitting
The component of the reagent manifold that attaches to
the reagent bottles and lets the reagents enter the
system.
reagent manifold
The component of the system that contains solenoid
valves and tubing that direct the movement of reagents
and gases through the system.
reagent water
Water purified for clinical laboratory use as described
by the National Committee for Clinical Laboratory
Standards.
Recall Data
The Menu screen option that lets you access data stored
in the system. You can use this menu option to view,
edit, and print reports of stored data.
reference limit
The value that determines whether a patient sample or
calibration result is outside the expected range.
reference range
A range of values with upper and lower limits that the
system uses to evaluate patient sample results. The
reference range represents the range within which
results are expected to fall.
reference sensor
The sensor that works with the pH, Na
+
, Cl
–
, and Ca
++
sensors to create an electrochemical cell. The system
compares the fixed potential of the reference sensor to
potential generated by the sample at the membrane of a
measuring sensor to measure an analyte in the sample.
Reject
The F-key that lets you store QC results in a QC file,
but not update the statistics in the QC file.
Report Formats
The Operating Setup menu option that lets you define
screen reports and select a format for printer reports.
Reporting
Resolution
A system option that determines whether results for
certain parameters appear in high resolution (more
significant digits) or low resolution (fewer significant
digits). For example, the high resolution option for pH
is 0.001 and the low resolution option is 0.01.