CAPINTEC, INC. CRC
®
-25R
Co57 4.41mCi
4.68 mCi
Deviation: 6.2 %
ENTER to Accept
1 3
2
4
Figure 8-16
Accuracy Test Result S
creen
1. The current check source under test.
2. The measured activity of the check source under test.
3. The anticipated actual activity of the check source based upon the initial calibration of
the source, corrected for decay.
4. The percent deviation of the measured activity from the anticipated activity. If the
deviation is greater than ±20%, the reading will be replaced by a dashed line – this
indicates an error condition (perhaps the wrong source is being measured).
Deviations greater than ±5% should be investigated. If the deviation is greater than
10%, contact Capintec’s only
Authorized Service Center. Note that higher than
expected deviations may be within the limit of error, depending the accuracy of the
check source being used.
Press ENTER to accept the measurement.
If the source being measured is not the Constancy Source, Figure 8-15 Accuracy Test in
Daily Test Instruction Screen for the
next Daily Source will appear.
If the source being measured is the d
esignated Constancy Source, the Constancy Test will
be performed next. Figure 8-17 Constancy Test Instruction Screen will appear.
Leave Source
In For
Constancy Test
Any Key to Continue
Figure 8-17 Constancy Test Instruction Screen
Press any key (except HOME) to continue, Figure 8-18 Constancy Test Measurement
Screen for the nuclide that is the Constancy Source will appear.
8 - 8 BACKGROUND AND TESTS October 13
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