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 ABL800
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 cCrea results will be < 0.5 % unless creatine concentration in a
sample is ≥ cCrea concentration.
•
Continued on next page
3-64
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