CAPINTEC, INC. CAPRAC
®
-t
6-36 WELL COUNTER INITIALIZATION April 2021
Background Settings
From Figure 6-28 Well Wipes Setup Screen, touch the EDIT BACKGROUND TRIGGER
button. Figure 6-29 Edit Background Trigger Screen will appear.
Figure 6-29 Edit Background Trigger Screen
To save the displayed values, touch the ACCEPT button. Any changes made will be saved
and Figure 6-28 Well Wipes Setup Screen will re-appear.
To return to Figure 6-28 Well Wipes Setup Screen without saving any changes, touch the
CANCEL button.
Background Trigger Level
Note: The Background Trigger will be displayed in cpm if Ci is selected or cps if Bq
is selected.
When the measured Wipe Background is greater than the Background Trigger Level,
an error message is displayed and the Background result will not be accepted.
The typical Background level of the CAPRAC
®
-t is approximately 600 cpm or less in a
clean room. If the instrument must be located where high level of high-energy γ-
emitters are handled while measurements are made with the CAPRAC
®
-t, additional
shielding may be placed around the Well Counter to reduce Background.