RADIOMETER ABL800 FLEX Reference Manual

2. Amperometric measuring principles ABL800 FLEX Reference Manual
Metabolite electrodes, Continued
Stability criteria
(continued)
τ
= Should be less than or equal to 50,
and
upd.21)1, I(Calupd.11)1, I(Cal
upd.11)1, I(Calupd.1)1, I(Cal
log
−
−
should be negative or equal zero.
The following stability criterion must be met to obtain a stable electrode response
during measurement:
S
d,zero
< S
d,max
where:
S
d,zero
= Spreading of the zero point current updatings around the
regression line.
S
d,max
=
If Sens > 400 pA/mM, then S
d,max
= 0.025 × Sens,
otherwise S
d,max
= 10.0.
The (glucose or lactate) in the sample is
cX(sample,corr).
If the corrected concentration of the metabolite,
cX(sample,corr) > 1, the following
criteria must be fulfilled:
200.
)ero(Iupd.30)I(sample,
I9upd.21)I(sample,upd.30)I(sample,
0
0
slope
≤
−
×−−
≤
z
otherwise
14.0
Sens
I9upd.21)I(sample,upd.30)I(sample,
slope
≤
×−−
where:
I(sample,upd.30)
I(sample,upd.21)
= Electrode current at the 30
th
/21
st
updating during
measurement on sample, respectively.
I
0
(zero) = zero current extrapolated to the time of the
measurement.
Continued on next page
2-20

RADIOMETER ABL800 FLEX Specifications

General

Brand	RADIOMETER
Model	ABL800 FLEX
Category	Measuring Instruments
Language	English