Siemens RAPIDLAB 248 Operator's Manual page 115

Specifications
Precision on Controls
pCO
Level
1
2
3
pO
Level
1
2
3
WRSD = within-run standard deviation
Tot SD = total standard deviation
Measurement Time
Results are displayed within 45 to 120 seconds of returning the probe
(typically less than 60 seconds).
Heater
The sensor operating temperature is 37.0°C ± 0.15°C.
The pre-heater temperature is 37°C ± 1°C.
Samples
Whole blood, properly collected, refer to Page 1-7. Free from hemolysis,
and if not analyzed immediately, stored as stated on Page 1-8. Fresh
samples can be analyzed at a temperature of up to 40°C.
QC material, Siemens Healthcare Diagnostics recommended.
Calibration verification material, Siemens recommended.
Sample Volume
85 μL (syringe) nominal, minimum 60 μL (capillary).
(mmHg)
2
n Mean
108 73.5
108 45.1
108 23.0
(mmHg)
2
n Mean
108 53.8
108 93.8
108 139.5
WRSD TotSD
0.49 2.24
0.34 0.82
0.25 0.47
WRSD TotSD
2.78 2.49
1.16 1.88
2.21 3.32
Page E-3
%CV
3.04
1.83
2.03
%CV
4.63
2.00
2.38