3. Installation and setup
ABL800 FLEX Operator's Manual
Analyzer settings,
Continued
Environment
Setup
(continued)
Step Action
2
(cont).
Barometer pressure limits are 450-800 mmHg, or 60.0-106.7 kPa, or
450-800 torr.
The units are selected in the Setup program: Units.
Check the barometer of the ABL800 FLEX analyzer against a known calibrated
barometer at least once a month. See ranges in
chapter 13
in this manual.
To enter the ambient temperature
, do the following:
Step Action
1.
Touch the "Ambient temperature" box to activate.
2.
Key in the new temperature, using the keypad.
Confirm with
Enter
.
The concentrations of creatinine and creatine in calibration solutions depend on the
ambient temperature. This dependency is well-known and taken into account as
follows: the analyzer calculates the correct concentrations, using the equilibration
constants, time and the ambient temperature entered by user in the Environment
Setup (
Menu > Utilities > Setup > General Setup > Analyzer settings
).
•
For ambient temperatures between 15
°
C and 28
°
C or temperatures
fluctuating through the entire operating range 15-32
°
C of the analyzer,
enter 23.5
°
C. For ambient temperatures constantly above 28
°
C and up to
32
°
C enter 30
°
C. Using these settings will provide analyzer performance
according to the performance characteristics specified in the A
BL800
Reference manual, chapter 5.
•
In the temperature-controlled environment with constant temperature enter
the average ambient temperature in the Environment Setup in order to
improve the creatinine performance.
If an error in the keyed-in ambient temperature is about 5 %, the bias in the
reported
c
Crea results will be < 0.5 % unless creatine concentration in a
sample is
≥
c
Crea concentration.
•
Continued on next page
3-64
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