Model 3000 Survey meter User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-3 April 2021
Figure 3: Battery Voltage display
The instrument then displays the number of stored records if datalogging is
enabled. Please refer to Figure 4 below.
Figure 4: Startup display for Datalogging firmware, showing 155 stored records.
The instrument will then move to normal operation, displaying the current
rate for the Primary units (default: mR/hr).
If the Sigma Audio option is selected, the unit will display a countdown
from :08 to :01 (in seconds) as the unit measures background radiation
levels.
The user may select the Secondary units (default: cpm) by long-pressing the
Units button.
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