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"1 min"/"5 min"/"15 min"/"1 hour":
"Alert test":
"Insert filter":
"Detector test":
6. 5. Recent readings display
This page is only available if a cycle is in progress. Use the button RECENT to call the recent readings
page from the main menu. The results are updated once per second to show the actual sampling
results. The display shows only data of components which are used and activated within the
executed cycle. To select the different components for display, the buttons NEXT and PREVIOUS
must be used. The order of components is defined by the order of component indexes (see appendix).
The name of the selected component appears in the headline of the screen. Some components
calculate more than one result from the acquired basic data. In that case, the TOGGLE button toggles
between the various results. To return to the main page touch the BACK button.
6. 6. Displaying the data stored at the memory card
If available, all data stored data at the memory card can be displayed. This page can be called from
the main page by the INTERVAL button even if the sample execution has been finished. The selection
of the components and results is implemented in the same kind like in the recent data menu. If a
component generates more than one result, an additional page with all results in parallel has been
implemented.
There is an additional navigation menu directly above the control buttons. These buttons are used to
select any data record within the card memory for display. The button in the middle selects the last
acquired record while the other buttons scroll the data memory forward and backward by a factor of
1 or 10. If the current cycle has been finished, the new data appear immediately on the screen.
The headline of the display shows the time stamp and if available the GPS coordinates of the selected
data record. To return to the main page touch the BACK button.
6. 7. Results shown on the display
Which results are presented on display depends on the definition of the used sampling cycle. In case
of the pre-defined cycles "1 min" ..."1 hour" following results are available:
•
Exposure, dose and average concentration for long lived Alpha emitters (only interval result)
•
Exposure, dose and average concentration for long lived Beta emitters (only interval result)
•
Radon (Rn-222) and Thoron (Rn-220) daughter product concentrations (EEC - only interval
result)
•
Accumulated number of counts within the running interval for Alphas and Betas (only recent
results)
SARAD GmbH 2023
Measurement cycles with 1, 5, 15 or 60 minute sampling interval. Longer
intervals resulting in lower detection limits while shorter intervals give faster
response in case of detected activity. To optimize both parameters for your
application use the table with the detection limits stated in the data sheet.
Test of all available alert signals.
Steps the filter two times
Measurement cycle without pumping. Alpha/Beta calibration sources may be
inserted for function test
Manual_Aer 5400_EN_27-04-2023.docx
Aer 5400
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