RDS-32 FUNCTIONALITY
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3.10 SCALER
The Scaler functionality allows the user to set a measurement integration time and to measure
the current background. This enables net measurements. The scaler function can be used to
improve the measurement MDA (Minimum Detectable Activity).
When an external probe is connected, the scaler functionality is reserved for the external
probe.
The following chapters describe the scaler functionality for the RDS-32 internal detector or an
external dose rate probe and other external probes.
3.10.1 SCALER FUNCTION INTERNAL DETECTOR/DOSE RATE PROBE
The Scaler menu of the RDS- 32 internal detector or an external dose rate probe has the
following features:
• Settings
• Gross Meas.
The settings menu allows the user to set an integration time:
10 s, 1 min, 3 min , 6min, 10 min, 30 min and 60 min.
When the desired integration time has been set, the user can then select to perform a Gross
measurement.
Initiate a scaler measurement by navigating into Gross Meas. and selecting start. The
measurement result remains on the meter display until the Select key is pressed for a new
acquisition or the left arrow key is pressed to exit the mode. Each acquisition in the scaler
mode is automatically saved in RDS-32 memory.
Once a scaler measurement has been initiated it can be stopped at any time by pressing the
Select key or the left arrow key. In that menu the measurement can be restarted, stopped or
aborted. If the scaler measurement is stopped, the result of the measurement will be
displayed. If the scaler measurement is aborted, the display will move to the Scaler menu
without showing a result.
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