CAPINTEC, INC. CRC
®
-25R
Entering Calibration Numbers
A calibration number must be entered in order to perform measurements on the added
nuclide.
A calibration number may include a multiplication sign (* on the keyboard, displayed as X) or
a division sign (÷). However, the CRC
®
-25R is always direct reading and the multiplication or
division sign is only used to be consistent with existing Calibration Numbers.
For multiplication, the number can only be multiplied by 10 or 100. For division, the number
can only be divided by 2. Refer to Table 6-1 Calibration Number Limits Table.
Minimum
Calibration # (a)
Maximum
Calibration # (a)
Direct Entry (a)
10 1200
Multiplication (a
10)
10 1200
Multiplication (a
100)
10 999
Division (a
2)
400 1200
Table 6-1 Calibration Number Limits Table
CALIBRATION #
_
Figure 6-28 Enter Calibration Number
If the calibration number is known, input the number and press ENTER. Figure 6-24
Nuclides Menu will appear.
If the calibration number is not known, input 450 and press ENTER. The calibration number
can then be determined by the following procedure. Figure 6-24 Nuclides Menu will appear.
Determining Calibration Numbers
An initial Calibration Number (as an initial starting point, choose 450) must be input
into the CRC
®
-25R for the nuclide.
Note: In order to obtain a correct reading for a Vial or Syringe, the supplied liner and
dipper must be used to achieve the correct geometry. If the source is
6 - 16 CHAMBER INITIALIZATION March 15
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