Berthold DUO XPERT LB 470RID, Operating Manual

Page: 117 / 240

LB 470RID Level 7 Main Menu Device Setup
56925-1BA2 Rev.02, 05/2021
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Adjust: Low Level Adjust
Device Setup | Setup | Calibration | Adjust
After calibration, a level adjustment can be performed. A level adjustment must be
performed if the level shown is not the actual level. The lower adjustment can only
be performed at a level < 50%. The count rate at 100% will be kept fixed, while all
other points of the curve will be adjusted according to the adjusted count rate at
the entered level value.
1
2 Adjusted curve (linear calibration type)
Adjusted curve (exponential calibration type)
Fig. 88 Adjusted curves (Low Level Adjust)
NOTICE
Make sure that the source is mounted and the beam path is open. The container
must be empty, or be below the limit value.
1
2
3
4
5
Button <Perform adjust now>
Input field “Measuring Duration”
Input field “Process value”
Button
<Ok>
Button <Start>
6
7
8
9
10
Button <Cancel>
Input field count rate [cps]
Input field count rate (RID) [cps]
Process bar
Button
<Stop>
Fig. 89 Lower adjustment
1. Click on the field Process value (Fig. 89, item 3) to open the input field.
2. Specify a percentage value for the lower adjustment and confirm with the
Enter key.
3. Click on the “Measuring Duration” field (Fig. 89, item 2) and specify the du-
ration of measurement in seconds. The higher you set the measurement
time, the more accurate the result.
4. Click on the button <Perform adjust now> (Fig. 89, item 1).