Siemens RAPIDLAB 248, Operator'S Manual, Page: 36 / 135

Analyzing QC Samples
6. Press 1 - 4 to select the QC level. This makes sure the result is
compared to the appropriate QC reference range, and reported
correctly on the printer and DMS systems. If QC level is not
selected the 248 assumes Level X, which has no range checking.
Example result If the measured values are outside the QC ranges set
(see Section 5, Configuring the System ) an arrow indicates if they are
above or below the range.
Example Printout
Q C R e p o r t Q C R e p o r t Q C R e p o r t Q C R e p o r t Q C R e p o r t
248-9265 11:15 Apr 11 1994
Instrument ID, time and date,
Sample No. 5062
and sample number
L e v e l 1 L e v e l 1
L e v e l 1 L e v e l 1
L e v e l 1
Lot 123456
pH 7.143
pCO
2
69.4 mmHg
Measured values
pO
2
66.5 mmHg
Q C R a n g e s Q C R a n g e s
Q C R a n g e s Q C R a n g e s Q C R a n g e s
pH 7.127 - 7.167
pCO
2
67.1 - 77.1
QC ranges
pO
2
59.4 - 69.4
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - -
While the results are displayed and printed the 248 washes the probe
and sample path.
When the wash has finished the 248 returns to the Ready screen.
The
Ready
screen main message will show QC sample for 60 seconds.
After this time, the screen reverts to the last sample type before QC
was selected.
press * to cancel
Page 2-12 248 Operator’s Manual
Measuring
pH = 7.392
pCO
2
mmHg = 41.7
pO
2
mmHg = 78.4
Results - QC Level 1
Measured Range
pH = 7.143 7.127 - 7.167
pCO
2
mmHg = 69.4 67.1 - 77.1
pO
2
mmHg = 66.5 59.4 - 69.4
Select QC Level
1 Level 1
2 Level 2
3 Level 3
4 Level X
press 1 – 4