A13914AF
12-3
Troubleshooting Calibration and Result Errors
MC Calibration
12
Calibrator Range (High/Low)
•
The Calibrator Range (High/Low) error check is a measure of reagent and electrode
performance or accuracy.
•
Calibrator ADC values are compared to acceptable ranges for calibrator values. Calibration fails
if the calibrator ADC values fall outside the acceptable calibrator limits.
•
Select Calibrator Acceptance Limits under Options in the
Rgts/Cal
screen to view current
calibration limits.
DAC
•
The DAC error check verifies proper operation of electrodes.
•
The Digital-to-Analog Conversion (DAC) check mimics expected ranges of electrode output.
Failure to detect an output within a predetermined range for each channel will trigger a DAC
ERROR flag for the specific electrolyte.
•
Limits are as shown in
.
Table 12.2
Digital-to-Analog Conversion (DAC) Check Limits
Chemistry
DAC Limits
Low
High
NA
400
5,400
K
-5,900
-900
CL
-2,300
2,700
CO2
-30,000
-20,000
CALC
-125
4,875
Содержание UniCel DxC 600
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