RADIOMETER ABL90 FLEX - Performance Test Results - Ph; Reference Method; Bias Prim.ref; Performance Test Results - Pco

7. Performance characteristics ABL90 FLEX reference manual
7-8
Performance test results – pH
Capillary-type glass pH electrode with a saturated calomel reference electrode and a
liquid junction saturated with KCl (BMS Mk2) [Ref. 1,2].
The calibration standards are traceable to the Primary Reference Standards for pH.
pH Bias
Prim.ref
N
7.0 0.008 45
7.4 -0.004 45
7.6 0.004 45
N = number of measurements employed
Bias
ABL90-Prim.ref
= Bias
ABL90-ABL735
+ Bias
ABL735-Prim.ref
pH Bias
Sec.ref
S
0
S
X
TE
A
6.800 -0.007 0.0014 0.0076 0.022
7.000 -0.004 0.0012 0.0064 0.017
7.200 -0.002 0.0014 0.0064 0.015
7.400 -0.002 0.0014 0.0073 0.016
7.800 -0.006 0.0017 0.0113 0.028
Performance test results – pCO
2
Tonometry [Ref. 3].
The gases used for tonometry are traceable to NIST-certified Standard Reference
Materials.
pCO
2
(mmHg)
Bias
Prim.ref
S
0
S
X
CV
X
% TE
A
TE
A
(%)
15.0 0.13 0.16 0.70 4.7 1.50 10.0
40.0 0.18 0.25 0.55 1.4 1.26 3.2
60.0 -0.16 0.29 0.87 1.5 1.87 3.1
80.0 -0.36 0.23 1.45 1.8 3.20 4.0
100 -0.77 0.85 2.36 2.4 5.40 5.4
Reference
method
Bias
Prim.ref
Bias
Sec.ref
and
Repeatability –
blood samples
Reference
method
Bias
Prim.ref
and
Repeatability –
blood samples