CAPINTEC, INC. CAPTUS
®
3000
Isotope Library. The bottom portion of the screen pertains to the setup parameters for
measurement and organization of wipe locations into groups.
This will be referred to as the Main Wipe Test screen. To return to Figure 8-1 Main Screen
from Figure 8-2 Main Wipe Test Screen, click the
icon or press the Esc key.
QUICK STEP GUIDE FOR WIPE TEST
Select isotopes for measurement
SELECTING ISOTOPES
FOR WIPE TEST
TO PRESET GROUPS and
ADDING WIPE LOCATIONS
TO USER DEFINED
8-7
Organize wipe locations into groups
Select a group of wipe locations to work with
SETTING UP DEFAULTS
All wipe locations belong to one of the following four pre-set groups or types:
• Work Areas places where radioactive material is handled, e.g. hot labs,
medicine administration rooms, storage rooms
• Unrestricted Areas places of free access e.g. reception desk, waiting rooms
• Sealed Sources devices that contain a sealed radioactive source
• Packages arriving or leaving shipments of radioactive material
Each group has default values set for Trigger Level (threshold activity) and Counting Time
(live time duration for count collection). All wipe locations belong to one of the above groups,
which automatically sets the Trigger Level and Counting Time for the wipe location. These
values are also set to a default for background, which is common for all the wipe locations. In
addition to these values, Full Spectrum Efficiency is set to an optimum number, 65%
(Refer to ISOTOPE EFFICIENCY on page 8-29 for more information).
To view or change the Trigger Level, Counting Time or the Full Spectrum Efficiency default
values,
1. Click the
button or Alt+D at the bottom of Figure 8-2 Main Wipe
Test Screen. Figure 8-3 Wipe Test Setup Screen will appear.
November 13 WIPE TESTS 8-3
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