CAPINTEC, INC. CAPRAC
®
-t
April 2021 TESTS 9-5
Figure 9-3 Auto Calibrate Measurement Screen
At this point, four choices are available for continuing:
1. Discard the calibration results – Touch the CANCEL button. Figure 9-1 Main Screen
will re-appear.
2. Save the calibration results – Touch the ACCEPT button. Figure 9-1 Main Screen will
re-appear.
3. Repeat the Cs137 calibration procedure – Touch the Cal with Cs137 button.
4. Perform Linearity Correction with Eu152. This step, though optional, is highly
recommended for fine-tuning your system.
a. To perform the Linearity Correction, remove the Cs137 rod source from the
Well Counter and place the Eu152 rod source into the Well Counter
b. Touch the Linearity Correction with Eu152 button. The system will begin
measuring the Eu152 rod source. As counting progresses, the live spectra are
shown. The system will count for as long as necessary until sufficient counts
are acquired for proper calibration.
c. To stop the counting midway, touch the Abort Linearity Correction button.
The collected data is discarded.
d. After the Linearity Correction calibration is completed, the results will be
displayed as shown in Figure 9-4 Auto Calibrate with Eu152 Results Screen.
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