Model 3000 Survey meter User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-10 April 2021
If other operational modes are available, pressing the MODE button will
move to the next available operational mode.
Figure 9: MAX mode operation display with ALARM indicator.
COUNT Mode Operation
When entering COUNT Mode from another operational mode, the
currently selected COUNT Unit will be displayed for approximately one
second. The purpose of COUNT mode is to count for a predetermined
amount of time, and to display the results on the display. Note that the
predetermined count time can be from 1 second to 10 minutes, or can be set
to zero to enable continuous counting until stopped by the user.
Count mode operation is very flexible, depending on the units chosen. A
common choice is for the count mode to just perform a scaler count for a
specified time, with a resulting answer in counts (equaling detected radiation
events).
There are two different options for COUNT mode, which can be set
through software.
Go to “Device Count Display Mode” in the Device or Others tab
(depending on Software version). Enter/Select the desired option into the
“Value” field.
0 - will only show the countdown timer while timer is active
(default selection).
1 - will cycle between showing the countdown timer and the
current reading.
2 - will only show the current gathered reading.
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